CN115799833A - Broadband high-gain dual-polarized panel antenna - Google Patents

Broadband high-gain dual-polarized panel antenna Download PDF

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Publication number
CN115799833A
CN115799833A CN202211593186.7A CN202211593186A CN115799833A CN 115799833 A CN115799833 A CN 115799833A CN 202211593186 A CN202211593186 A CN 202211593186A CN 115799833 A CN115799833 A CN 115799833A
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ridge waveguide
waveguide
double
ridge
axis
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胡阳
黄季甫
尤清春
黄明健
张汉林
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Ningbo University
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Ningbo University
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Abstract

The invention discloses a broadband high-gain dual-polarized panel antenna, which improves a radiation network and a feed network, wherein the feed network and the radiation network integrally take the excellent characteristics of low section, wide bandwidth and high gain into account; when the suspended strip line feeding mode is adopted for feeding, although the gain is reduced compared with the all-metal feeding mode, compared with the traditional microstrip line feeding mode, the suspended strip line feeding mode has less dielectric loss, so that higher gain can be generated, and meanwhile, compared with the all-metal feeding mode, the suspended strip line feeding mode can realize a lower profile; the method has the advantages of realizing the compatibility of wide bandwidth, high efficiency and low profile and having strong practical value.

Description

Broadband high-gain dual-polarized panel antenna
Technical Field
The invention relates to a dual-polarized panel antenna, in particular to a broadband high-gain dual-polarized panel antenna.
Background
Dual-polarized antennas can save cost and space of a wireless communication system compared to using two separate single-polarized antennas. Currently, dual polarized antennas play an important role in wireless communication systems. The all-metal dual-polarized antenna eliminates dielectric loss and has the characteristics of high gain and high efficiency, so that the requirement in remote wireless communication scenes such as high-speed point-to-point wireless communication, satellite communication and the like is high.
The parabolic antenna is a common choice for designing dual-polarized antennas due to the characteristics of low cost and simple structure, but the parabolic antenna is large in size and difficult to realize low profile. The invention discloses a broadband dual-circular polarization panel waveguide array antenna in Chinese invention patent with publication number CN106356640B, which comprises a radiation aperture, a resonant cavity, a feed square waveguide, a circular polarizer, a dual-polarization feed network and a standard waveguide transition interface which are sequentially stacked from top to bottom, wherein the central bandwidth is narrow and is only 16%, the antenna efficiency is about 60%, and a larger lifting space is provided, and the circular polarizer and the like are adopted, so that the overall section of the antenna is higher. The chinese patent application with publication number CN107871935a discloses a dual-polarized transmit-receive shared waveguide array antenna, which sequentially comprises a radiation waveguide horn, a vertical polarization waveguide feed network, a horizontal polarization waveguide feed network and an orthogonal mode converter from top to bottom, and although the overall efficiency of the antenna is high, the working bandwidth of the antenna is relatively narrow, and the adoption of the orthogonal mode converter results in unsatisfactory overall profile height and high profile.
The two types of all-metal dual-polarized antennas are difficult to realize the compatibility of wide bandwidth, high efficiency and low profile, and the performance still needs to be improved.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a compatible broadband high-gain dual-polarized panel antenna which can realize wide bandwidth, high efficiency and low profile.
The technical scheme adopted by the invention for solving the technical problems is as follows: a broadband high-gain dual-polarized panel antenna comprises a radiation network and a feed network which are stacked from top to bottom; the feed network feeds power by adopting an all-metal feed mode or a strip line feed mode; the radiation network comprises a first metal plate, M × N waveguide radiation ports, a second metal plate and M × N/4 four-ridge waveguide combinations, wherein the M × N waveguide radiation ports are arranged on the first metal plate, the M × N/4 four-ridge waveguide combinations are arranged on the second metal plate, M is an even number which is greater than or equal to 2, N is an even number which is greater than or equal to 2, x is a multiplication operation sign,/is a division operation sign, and the second metal plate is stacked below the first metal plate; the first metal plate is a rectangular plate, the length direction of the first metal plate is along the front-back direction, the front-back direction is defined as the x-axis direction, the width direction is along the left-right direction, the left-right direction is defined as the y-axis direction, M x N waveguide radiation ports are uniformly distributed at intervals according to M rows and N columns to form a waveguide radiation port array, the row direction of the waveguide radiation port array is along the x-axis direction, the column direction is along the y-axis direction, the waveguide radiation port array is used for radiating electromagnetic waves in the x-axis polarization direction and electromagnetic waves in the y-axis polarization direction, each waveguide radiation port is realized by arranging hollowed radiation slots on the first metal plate, the upper end surface of each waveguide radiation port is flush with the upper end surface of the first metal plate, and the lower end surface of each radiation slot is flush with the lower end surface of the first metal plate; in the waveguide radiation port array, starting from the 1 st row and the 1 st column, the 1 st row and the 2 nd column, the 2 nd row and the 1 st column, and the 2 nd row and the 2 nd column, every adjacent four waveguide radiation ports arranged according to the 2 rows and the 2 columns are used as a waveguide radiation port group, and the waveguide radiation port array is provided with M/2*N/2 waveguide radiation port groups which are uniformly distributed at intervals according to M/2 rows and N/2 columns; the four-ridge waveguide array is arranged on the second metal plate and comprises M, N and 4 completely identical four-ridge waveguide combinations, the M, N and 4 four-ridge waveguide combinations are uniformly distributed at intervals according to M/2 rows and N/2 columns, the row direction of the four-ridge waveguide array is along the x-axis direction, the column direction is along the y-axis direction, each four-ridge waveguide combination is provided with an input port and an output port, the M, N and 4 four-ridge waveguide combinations are correspondingly butted with the M/2*N/2 waveguide radiation port groups one by one, the corresponding four-ridge waveguide combination and one waveguide radiation port group are arranged in a way that the output ports of the four-ridge waveguide combination are connected with the four waveguide radiation ports of the waveguide radiation port group; each four-ridge waveguide combination is formed by sequentially laminating a plurality of four-ridge waveguides from top to bottom, each four-ridge waveguide is provided with an input port and an output port, when the four-ridge waveguides are sequentially laminated from top to bottom to form the four-ridge waveguide combination, the output port of each four-ridge waveguide is positioned above the input port, the input port is positioned below the input port, the input port of the four-ridge waveguide positioned on the upper layer is butted with the output port of the four-ridge waveguide positioned on the lower layer, the output port of the four-ridge waveguide positioned on the uppermost layer is the output port of the four-ridge waveguide combination, the input port of the four-ridge waveguide positioned on the lowermost layer is the input port of the four-ridge waveguide combination, and the depth of the ridge of the four-ridge waveguide on the lower layer along the x-axis direction is greater than the depth of the ridge of the four-ridge waveguide on the upper layer along the x-axis direction, the depth of the ridge of the next layer of four-ridge waveguide along the y-axis direction is greater than that of the ridge of the previous layer of four-ridge waveguide along the y-axis direction, each four-ridge waveguide is symmetrical along the front-back direction, the symmetrical surfaces of the four-ridge waveguides along the front-back direction are positioned on the same plane, each four-ridge waveguide is provided with a square groove which penetrates through the four ridges up and down, the symmetrical surfaces of the square grooves along the front-back direction are superposed with the symmetrical surfaces of the four-ridge waveguides where the square grooves are positioned along the front-back direction, the centers of the square grooves are superposed with the centers of the four-ridge waveguides where the square grooves are positioned, from bottom to top, the side length of the cross section of the square groove on the previous layer of four-ridge waveguide is less than that of the cross section of the square groove on the next layer of four-ridge waveguide, and the side length of the cross section of the square groove on the lowest layer of four-ridge waveguide is less than that of the top layer of four-ridge waveguide along the left-right direction and depth along the front-back direction;
when the feed network adopts an all-metal feed mode for feeding, the feed network comprises a third metal plate, a fourth metal plate, an x-axis polarized feed network, a y-axis polarized feed network, a waveguide-to-double-ridge waveguide array and a single-ridge waveguide-to-double-ridge waveguide array; the third metal plate and the fourth metal plate are rectangular plates, the length direction of the third metal plate and the width direction of the fourth metal plate are along the x-axis direction and the y-axis direction, the third metal plate and the fourth metal plate are sequentially stacked from top to bottom, and the third metal plate is stacked below the second metal plate; the x-axis polarized feed network and the waveguide-to-double-ridge waveguide array are arranged on the third metal plate, the x-axis polarized feed network comprises a one-division M × N/2 power divider, the one-division M × N/2 power divider is called a first one-division M × N/2 power divider, the first one-division M × N/2 power divider is realized by adopting a waveguide structure, and the first one-division M × N/2 power divider is provided with an input port and M × N/2 output ports; the waveguide-to-double-ridge waveguide array comprises M x N/2 waveguide-to-double-ridge waveguide adapters which are completely the same, the M x N/2 waveguide-to-double-ridge waveguide adapters are uniformly distributed at intervals according to M rows and N/2 columns, the row direction of the waveguide-to-double-ridge waveguide array is along the x-axis direction, the column direction is along the y-axis direction, each waveguide-to-double-ridge waveguide adapter is provided with an input port and an output port, and from the 1 st row and the 1 st column of the 1 st row and the 2 nd row and the 1 st column of the 2 nd row of the waveguide-to-double-ridge waveguide array, every two adjacent waveguide-to-double-ridge waveguide adapters form a waveguide-to-double-ridge waveguide adapter group, so that M N/4 waveguide-to-double-ridge waveguide adapter groups which are uniformly distributed at intervals according to M/2 rows and N/2 columns are obtained, the waveguide-to-double ridge waveguide adapter group positioned in the jth row and jth column of the kth row corresponds to the four ridge waveguide combinations positioned in the jth row and jth column of the kth row up and down, k =1,2, …, M/2, j =1,2, …, N/2, two waveguide-to-double ridge waveguide adapters in the waveguide-to-double ridge waveguide adapter group positioned in the jth row and jth column of the kth row are symmetrical front and back relative to a square groove on the four ridge waveguide combinations positioned in the jth row and jth column of the kth row along a left-right symmetrical plane, and output ports of the two waveguide-to-double ridge waveguide adapters in the waveguide-to-double ridge waveguide adapter group positioned in the jth row and jth column of the kth row are connected with input ports of the four ridge waveguide combinations positioned in the jth row and jth column of the kth row; the M x N/2 output ports of the first one-to-one M x N/2 power divider are correspondingly connected with the M x N/2 input ports of the waveguide-to-double-ridge waveguide adapter one by one; the y-axis polarized feed network and the single-ridge-waveguide-to-double-ridge-waveguide array are arranged on the fourth metal plate, the y-axis polarized feed network comprises a one-division M × N/2 power divider, the one-division M × N/2 power divider is called a second one-division M × N/2 power divider, the second one-division M × N/2 power divider is realized by adopting a single-ridge waveguide structure, and the second one-division M × N/2 power divider is provided with an input port and M × N/2 output ports; the single-ridge waveguide to double-ridge waveguide array comprises M N/2 single-ridge waveguide to double-ridge waveguide adapters which are completely the same, the M N/2 single-ridge waveguide to double-ridge waveguide adapters are uniformly distributed at intervals according to M/2 rows and N columns, the row direction of the single-ridge waveguide to double-ridge waveguide array is along the x-axis direction, the column direction is along the y-axis direction, each single-ridge waveguide to double-ridge waveguide adapter is provided with an input port and an output port, starting from the 1 st row and the 2 nd row of the single-ridge waveguide to double-ridge waveguide array, every two adjacent single-ridge waveguide to double-ridge waveguide adapters form a single-ridge waveguide to double-ridge waveguide adapter group, and M N/4 single-ridge waveguide to double-ridge waveguide adapter groups which are uniformly distributed at intervals according to M/2 rows and N/2 columns are obtained, the single-ridge waveguide to double-ridge waveguide adapter group positioned in the jth line and the jth line of the kth line correspond to the four-ridge waveguide combination body positioned in the jth line and the jth line up and down, two single-ridge waveguide to double-ridge waveguide adapters positioned in the jth line and the jth line of the kth line are bilaterally symmetrical relative to a square groove on the jth line and jth line of the four-ridge waveguide combination body along the front-back direction, output ports of the two single-ridge waveguide to double-ridge waveguide adapters positioned in the jth line and the jth line of the kth line are connected with input ports of the four-ridge waveguide combination body positioned in the jth line and the jth line of the kth line, and M/N/2 output ports of the second one-to-M/2 power divider and M/N/2 input ports of the single-ridge waveguide to double-ridge waveguide combination bodies Connecting; when electromagnetic waves are input into an input port of a first branch M X N/2 power divider, the first branch M X N/2 power divider divides the electromagnetic waves input into an input port of the first branch M X N/2 power divider into M X-axis polarized electromagnetic waves in an X-axis polarized direction, the M X N/2X-axis polarized electromagnetic waves are correspondingly output to an input port of a M X N/2 waveguide-to-double-ridge waveguide adapter through M N/2 output ports thereof, the M X N/2 waveguide-to-double-ridge waveguide adapter outputs the X-axis polarized electromagnetic waves output thereto to input ports of M X N/4 four-ridge waveguide adapters through output ports thereof, the M X N/2X-axis polarized electromagnetic waves are transmitted to M N radiation waveguide ports through M N/4 four-ridge waveguide adapters after passing through M N/4 four-ridge waveguide adapters, the M X-N/2X-axis electromagnetic waves are transmitted to two output ports of M X-Y four-ridge waveguide adapters, and the M X-Y electromagnetic waves are transmitted to two output ports of M X-Y waveguide adapters, at the moment, the M-N/2 paths of electromagnetic waves in the y-axis polarization direction pass through the M-N/4 four-ridge waveguide combinations, and then are transmitted to the M-N waveguide radiation ports through output ports of the M-N/4 four-ridge waveguide combinations, and the M-N waveguide radiation ports radiate the electromagnetic waves in the y-axis polarization direction transmitted to the M-N waveguide radiation ports. The x-axis polarized feed network, the y-axis polarized feed network, the waveguide-to-double-ridge waveguide array and the single-ridge waveguide-to-double-ridge waveguide array of the feed network are all realized by adopting waveguide structures, and when an all-metal feed mode is adopted for feeding, the feed network not only has the characteristics of wide bandwidth and low section, but also has no dielectric loss due to no dielectric filling, so that the integral gain and the efficiency of the antenna are high.
When the feed network feeds by adopting a strip line feed mode, the feed network comprises a third metal plate, a fourth metal plate, an x-axis polarized feed network, a y-axis polarized feed network, an x-axis polarized suspended strip line-to-double ridge waveguide array and a y-axis polarized suspended strip line-to-double ridge waveguide array; the third metal plate and the fourth metal plate are rectangular plates, the length direction of the third metal plate and the width direction of the fourth metal plate are along the x-axis direction and the y-axis direction, the third metal plate and the fourth metal plate are sequentially stacked from top to bottom, and the third metal plate is stacked below the second metal plate; the x-axis polarized feed network and the x-axis polarized suspended stripline-to-double-ridge waveguide array are arranged on the third metal plate, the x-axis polarized feed network comprises a one-division M × N/2 power divider, the one-division M × N/2 power divider is called a first one-division M × N/2 power divider, the first one-division M × N/2 power divider is realized by adopting a suspended stripline structure, and the first one-division M × N/2 power divider is provided with an input port and M × N/2 output ports; the X-axis polarized suspended stripline to double-ridge waveguide array comprises M x N/2 suspended stripline to double-ridge waveguide adapters which are completely the same, the adapters are called first suspended stripline to double-ridge waveguide adapters, the M x N/2 first suspended stripline to double-ridge waveguide adapters are uniformly distributed at intervals according to M rows and N/2 columns, the row direction of the X-axis polarized suspended stripline to double-ridge waveguide array is along the x-axis direction, the column direction is along the y-axis direction, each first suspended stripline to double-ridge waveguide adapter is provided with an input port and an output port, and every two adjacent first suspended stripline to double-ridge waveguide adapters form a first suspended stripline to double-ridge waveguide adapter group from the 1 st row and the 1 st column of the 1 st row and the 2 nd column of the X-axis polarized suspended stripline to double-ridge waveguide array, thereby obtaining M × N/4 first suspended strip line-to-double ridge waveguide adapter groups which are uniformly distributed at intervals according to M/2 lines and N/2 columns, wherein the first suspended strip line-to-double ridge waveguide adapter group positioned in the jth line and the four ridge waveguide combination positioned in the jth line and the jth column correspond up and down, k =1,2, …, M/2, j =1,2, …, N/2, two first suspended strip line-to-double ridge waveguide adapters in the jth line and the jth column of the kth line are symmetrical front and back relative to a square groove on the four ridge waveguide combination positioned in the jth column and the kth line and the symmetrical surface in the left and right direction, and output ports of the two first suspended strip line-to-double ridge waveguide adapters in the jth line-to-double ridge waveguide adapter group and input ports of the four ridge waveguide combinations positioned in the kth line and the jth column are symmetrical to front and back relative to square grooves on the input ends of the jth line and the input ends of the ridge waveguide in the jth line and the jth column of the first suspended strip line and the jth line Mouth connection; m x N/2 output ports of the first one-by-one M x N/2 power divider are correspondingly connected with input ports of M x N/2 first suspension stripline-to-double-ridge waveguide adapters one by one; the y-axis polarized feed network and the y-axis polarized suspended stripline-to-double ridge waveguide array are arranged on the fourth metal plate, the y-axis polarized feed network comprises a one-division M × N/2 power divider, the one-division M × N/2 power divider is called a second one-division M × N/2 power divider, the second one-division M × N/2 power divider is realized by adopting a suspended stripline structure, and the second one-division M × N/2 power divider is provided with an input port and M × N/2 output ports; the Y-axis polarized suspended stripline-to-double-ridge waveguide array comprises completely identical M/N/2 suspended stripline-to-double-ridge waveguide adapters, the suspended stripline-to-double-ridge waveguide adapters are called second suspended stripline-to-double-ridge waveguide adapters, the M/N/2 second suspended stripline-to-double-ridge waveguide adapters are uniformly distributed at intervals according to M/2 rows and N columns, the row direction of the Y-axis polarized suspended stripline-to-double-ridge waveguide array is along the x-axis direction, the column direction is along the y-axis direction, each second suspended stripline-to-double-ridge waveguide adapter is provided with an input port and an output port, and a second suspended stripline-to-double-ridge waveguide adapter group is formed by starting from the 1 st row, 1 st column and 1 st row, 2 nd column of the Y-axis polarized suspended stripline-to-double-ridge waveguide array, thereby obtaining M/N/4 second suspended strip line-to-double ridge waveguide adapter groups which are uniformly distributed at intervals according to M/2 lines and N/2 lines, wherein the second suspended strip line-to-double ridge waveguide adapter groups positioned in the jth line and the jth line of the kth line are vertically corresponding to the four ridge waveguide combination bodies positioned in the jth line and the jth line, two second suspended strip line-to-double ridge waveguide adapters positioned in the jth line and the jth line of the kth line are bilaterally symmetrical relative to the square groove positioned on the four ridge waveguide combination bodies of the jth line and the jth line of the kth line along the front-back direction, and two second suspended strip line-to-double ridge waveguide adapters positioned in the jth line and the jth line of the kth line are bilaterally symmetrical to the square groove positioned on the four ridge waveguide combination bodies of the jth line and the jth line of the kth line along the front-back direction, and the output ports of the two second suspended strip line-to-double ridge waveguide adapters positioned in the jth line and the jth line are converted into double ridge waveguide adapter groups The output ports of M × N/2 of the second one-to-M × N/2 power divider are connected with the input ports of M × N/2 second suspended stripline to double-ridge waveguide adapters; when an electromagnetic wave is input into an input port of a first branch M × N/2 power divider, the first branch M × N/2 power divider divides the electromagnetic wave input into input ports into M × N/2 x-axis polarization direction electromagnetic waves, the M × N/2 x-axis polarization direction electromagnetic waves are correspondingly output to input ports of M × N/2 first suspended stripline-to-double-ridge waveguide adapters through M × N/2 output ports thereof one by one, the M × N/2 first suspended stripline-to-double-ridge waveguide adapters output the x-axis polarization direction electromagnetic waves output thereto to input ports of M × N/4 four-ridge waveguide combinations through the output ports thereof, at the moment, the M × N/2 x-axis polarization direction electromagnetic waves are transmitted to output ports of M × N/4 four-ridge waveguide combinations through the output ports of the M/4 four-ridge waveguide combinations output to M × N radiation output ports, the M × N/2 x-axis polarization direction electromagnetic waves are transmitted to two output ports of M/4 four-ridge waveguide combinations through M/4 four-ridge waveguide adapters, and the M/2 x-to two output ports thereof, the M/2 x-to the M-to N-to two M-ridge waveguide-output ports thereof, and the radiation is transmitted from the output ports thereof, at the moment, the M-N/2 paths of electromagnetic waves in the y-axis polarization direction pass through the M-N/4 four-ridge waveguide combinations, and then are transmitted to the M-N waveguide radiation ports through output ports of the M-N/4 four-ridge waveguide combinations, and the M-N waveguide radiation ports radiate the electromagnetic waves in the y-axis polarization direction transmitted to the M-N waveguide radiation ports. The x-axis polarized feed network, the y-axis polarized feed network, the waveguide-to-double-ridge waveguide array and the single-ridge waveguide-to-double-ridge waveguide array of the feed network are all realized by adopting suspended strip lines, and when the feed is carried out by adopting a suspended strip line feed mode, the feed network not only has the characteristic of wide bandwidth, but also has higher gain and efficiency and low overall section.
Compared with the prior art, the feed network and the radiation network are improved, the feed network and the radiation network have the excellent characteristics of low section, wide bandwidth and high gain, and when an all-metal feed mode is adopted for feeding, no medium is filled, so that no medium loss exists, and high gain is generated; when the suspended strip line feeding mode is adopted for feeding, although the gain is reduced compared with the all-metal feeding mode, compared with the traditional microstrip line feeding mode, the suspended strip line feeding mode has less dielectric loss, so that higher gain can be generated, and simultaneously, compared with the all-metal feeding mode, the suspended strip line feeding mode can realize a lower section, so that the suspended strip line feeding mode can realize the compatibility of wide bandwidth, high efficiency and low section, and has extremely high practical value.
Drawings
Fig. 1 is a partial perspective view of a broadband high-gain dual-polarized panel antenna according to a first embodiment of the present invention;
fig. 2 is a top view of a wideband high-gain dual-polarized panel antenna according to a first embodiment of the present invention;
fig. 3 is a schematic diagram of a local connection of a feed network of a broadband high-gain dual-polarized panel antenna according to a first embodiment of the present invention;
fig. 4 is a schematic view of a radiation slot structure of a radiation network of a broadband high-gain dual-polarized panel antenna according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an x-axis polarized feed network of a broadband high-gain dual-polarized panel antenna according to a first embodiment of the present invention;
fig. 6 is a schematic structural diagram of a y-axis polarized feed network of a broadband high-gain dual-polarized panel antenna according to a first embodiment of the present invention;
fig. 7 is a reflection coefficient simulation diagram of a broadband high-gain dual-polarized panel antenna according to a first embodiment of the present invention;
fig. 8 is an efficiency simulation diagram of the polarization in the X-axis direction and the polarization in the y-axis direction of the broadband high-gain dual-polarized panel antenna according to the first embodiment of the present invention;
fig. 9 is a gain simulation diagram of the polarized electromagnetic waves in the x-axis direction and the polarized electromagnetic waves in the y-axis direction of the broadband high-gain dual-polarized panel antenna according to the first embodiment of the present invention;
fig. 10 is a partial perspective view of a broadband high-gain dual-polarized panel antenna according to a second embodiment of the present invention;
fig. 11 is a top view of a broadband high-gain dual-polarized panel antenna according to a second embodiment of the present invention;
fig. 12 is a schematic view of a local connection of a feeding network of a broadband high-gain dual-polarized panel antenna according to a second embodiment of the present invention;
fig. 13 is a schematic view of a radiation slot structure of a radiation network of a broadband high-gain dual-polarized panel antenna according to a second embodiment of the present invention;
fig. 14 is a schematic structural diagram of an x-axis polarized feed network of a broadband high-gain dual-polarized panel antenna according to a second embodiment of the present invention;
fig. 15 is a schematic structural diagram of a y-axis polarized feed network of a broadband high-gain dual-polarized panel antenna according to a second embodiment of the present invention;
fig. 16 is a reflection coefficient simulation diagram of a broadband high-gain dual-polarized panel antenna according to a second embodiment of the present invention;
fig. 17 is an efficiency simulation diagram of the polarization in the X-axis direction and the polarization in the y-axis direction of the broadband high-gain dual-polarized panel antenna according to the second embodiment of the present invention;
fig. 18 is a gain simulation diagram of the polarized electromagnetic waves in the x-axis direction and the polarized electromagnetic waves in the y-axis direction of the broadband high-gain dual-polarized panel antenna according to the second embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The first embodiment is as follows: as shown in fig. 1 to 6, a broadband high-gain dual-polarized panel antenna includes a radiation network and a feeding network stacked from top to bottom; the feed network feeds power by adopting an all-metal feed mode or a strip line feed mode; the radiation network comprises a first metal plate 1, M × N waveguide radiation ports 2 which are completely same and arranged on the first metal plate 1, a second metal plate 3 and M × N/4 four-ridge waveguide combination bodies 4,M which are arranged on the second metal plate 3, wherein the number of the M × N waveguide radiation ports 2 is an even number which is greater than or equal to 2, N is an even number which is greater than or equal to 2, and is a multiplication operation symbol,/is a division operation symbol, and the second metal plate 3 is laminated below the first metal plate 1; the first metal plate 1 is a rectangular plate, the length direction of the first metal plate 1 is along the front-back direction, the front-back direction is defined as the x-axis direction, the width direction is along the left-right direction, the left-right direction is defined as the y-axis direction, M x N waveguide radiation ports 2 are uniformly distributed at intervals according to M rows and N columns to form a waveguide radiation port array, the row direction of the waveguide radiation port array is along the x-axis direction, the column direction is along the y-axis direction, the waveguide radiation port array is used for radiating electromagnetic waves in the x-axis polarization direction and electromagnetic waves in the y-axis polarization direction, each waveguide radiation port 2 is realized by arranging a hollowed radiation groove on the first metal plate 1, the upper end face of each waveguide radiation port 2 is flush with the upper end face of the first metal plate 1, and the lower end face of each radiation groove is flush with the lower end face of the first metal plate 1; in the waveguide radiation port array, starting from the 1 st row and the 1 st column, the 1 st row and the 2 nd column, the 2 nd row and the 2 nd column, every adjacent four waveguide radiation ports 2 arranged according to the 2 rows and the 2 nd columns are used as a waveguide radiation port group, and the waveguide radiation port array is provided with M/2*N/2 waveguide radiation port groups which are uniformly distributed at intervals according to M/2 rows and N/2 columns; the four-ridge waveguide array is arranged on the second metal plate 3 and comprises M x N/4 identical four-ridge waveguide combinations 4, the M x N/4 four-ridge waveguide combinations 4 are uniformly distributed at intervals according to M/2 rows and N/2 columns, the row direction of the four-ridge waveguide array is along the x-axis direction, the column direction is along the y-axis direction, each four-ridge waveguide combination 4 is provided with an input port and an output port, the M x N/4 four-ridge waveguide combinations 4 are correspondingly butted with M/2*N/2 waveguide radiation port groups one by one, in the corresponding four-ridge waveguide combination 4 and one waveguide radiation port group, the output ports of the four-ridge waveguide combination 4 are connected with the four waveguide radiation ports 2 of the waveguide radiation port group; each of the four-ridge waveguide combinations 4 is formed by sequentially laminating a plurality of four-ridge waveguides 5 in a top-to-bottom order, each of the four-ridge waveguides 5 having an input port and an output port, when a plurality of four-ridge waveguides 5 are sequentially stacked from top to bottom to form a four-ridge waveguide combination 4, the output port of each four-ridge waveguide 5 is positioned above, the input port is positioned below, the input port of the four-ridge waveguide 5 positioned on the upper layer is butted with the output port of the four-ridge waveguide 5 positioned on the lower layer, the output port of the four-ridge waveguide 5 positioned on the uppermost layer is the output port of the four-ridge waveguide combination 4, the input port of the four-ridge waveguide 5 positioned on the lowermost layer is the input port of the four-ridge waveguide combination 4, the depth of the ridge of the next four-ridge waveguide 5 along the x-axis direction is greater than that of the ridge of the previous four-ridge waveguide 5 along the x-axis direction, the depth of the ridge of the next four-ridge waveguide 5 along the y-axis direction is greater than that of the ridge of the previous four-ridge waveguide 5 along the y-axis direction, each four-ridge waveguide 5 is arranged to be symmetrical along the front-back direction, the symmetrical surfaces of the four-ridge waveguides 5 along the front-back direction are positioned on the same plane, each four-ridge waveguide 5 is provided with a square groove which penetrates through up and down, the symmetrical plane of the square groove along the front-back direction is superposed with the symmetrical plane of the four-ridge waveguide 5 along the front-back direction, the center of the square groove is superposed with the center of the four-ridge waveguide 5, from bottom to top, the side length of the cross section of the square groove on the upper layer of the four-ridge waveguide 5 is less than that of the cross section of the square groove on the lower layer of the four-ridge waveguide 5, the side length of the cross section of the square groove on the four-ridge waveguide 5 at the lowermost layer is smaller than the depth of the four-ridge waveguide 5 at the uppermost layer along the left-right direction and the depth along the front-back direction;
in this embodiment, the feed network feeds in an all-metal feed manner, and includes a third metal plate 6, a fourth metal plate 7, an x-axis polarized feed network 8, a y-axis polarized feed network 9, a waveguide-to-double-ridge waveguide array, and a single-ridge waveguide-to-double-ridge waveguide array; the third metal plate 6 and the fourth metal plate 7 are rectangular plates, the length direction of the third metal plate 6 and the width direction of the fourth metal plate 7 are along the x-axis direction and the y-axis direction, the third metal plate 6 and the fourth metal plate 7 are sequentially laminated from top to bottom, and the third metal plate 6 is laminated below the second metal plate 3; the x-axis polarized feed network 8 and the waveguide-to-double-ridge waveguide array are arranged on the third metal plate 6, the x-axis polarized feed network 8 comprises a one-division M × N/2 power divider, the one-division M × N/2 power divider is called a first one-division M × N/2 power divider, the first one-division M × N/2 power divider is realized by adopting a waveguide structure, and the first one-division M × N/2 power divider is provided with an input port and M × N/2 output ports; the waveguide-to-double-ridge waveguide array comprises M × N/2 waveguide-to-double-ridge waveguide adapters 10 which are completely identical, wherein the M × N/2 waveguide-to-double-ridge waveguide adapters 10 are uniformly distributed at intervals according to M rows and N/2 columns, the row direction of the waveguide-to-double-ridge waveguide array is along the x-axis direction, the column direction is along the y-axis direction, each waveguide-to-double-ridge waveguide adapter 10 is provided with an input port and an output port, and from the 1 st row and the 1 st column of the 2 nd row of the waveguide-to-double-ridge waveguide array, every two adjacent waveguide-to-double-ridge waveguide adapters 10 form a waveguide-to-double-ridge waveguide adapter group, so that M × N/4 waveguide-to-double-ridge waveguide adapter groups which are uniformly distributed at intervals according to M/2 rows and N/2 columns are obtained, the waveguide-to-double ridge waveguide adapter group positioned in the jth row and jth column of the kth row corresponds to the four ridge waveguide combinations 4 positioned in the jth column and jth row up and down, k =1,2, …, M/2, j =1,2, …, N/2, two waveguide-to-double ridge waveguide adapters 10 in the waveguide-to-double ridge waveguide adapter group positioned in the jth row and jth column of the kth row are front-to-back symmetrical relative to a square groove on the four ridge waveguide combinations 4 positioned in the jth row and jth column of the kth row along a left-to-right symmetrical plane, and output ports of the two waveguide-to-double ridge waveguide adapters 10 in the waveguide-to-double ridge waveguide adapter group positioned in the jth column and jth row are both connected with input ports of the four ridge waveguide combinations 4 positioned in the jth row and jth column of the kth row; m X N/2 output ports of the first one-by-one M X N/2 power divider are correspondingly connected with input ports of M X N/2 waveguide-to-double-ridge waveguide adapters 10 one by one; the y-axis polarized feed network 9 and the single-ridge-waveguide-to-double-ridge-waveguide array are arranged on the fourth metal plate 7, the y-axis polarized feed network 9 comprises a one-division M × N/2 power divider, the one-division M × N/2 power divider is called a second one-division M × N/2 power divider, the second one-division M × N/2 power divider is realized by adopting a single-ridge waveguide structure, and the second one-division M × N/2 power divider is provided with an input port and M × N/2 output ports; the single-ridge-to-double-ridge waveguide array comprises M N/2 single-ridge-to-double-ridge waveguide adapters 11 which are completely identical, wherein the M N/2 single-ridge-to-double-ridge waveguide adapters 11 are uniformly distributed at intervals according to M/2 rows and N columns, the row direction of the single-ridge-to-double-ridge waveguide array is along the x-axis direction, the column direction is along the y-axis direction, each single-ridge-to-double-ridge waveguide adapter 11 is provided with an input port and an output port, from the 1 st row and the 2 nd row of the single-ridge-to-double-ridge waveguide array, every two adjacent single-ridge-to-double-ridge waveguide adapters 11 form a single-ridge-to-double-ridge waveguide adapter group, M N/4 single-ridge-to-double-ridge waveguide adapter groups are uniformly distributed at intervals according to the M/2 rows and N/2 columns, the single-ridge-to-double-ridge waveguide adapter group positioned at the j column of the k row corresponds to the 4 upper and lower ridge-waveguide combination positioned at the j column of the k row, in the single-ridge waveguide to double-ridge waveguide adapter group positioned in the jth row and jth column of the kth row and the four-ridge waveguide combination 4 positioned in the jth column of the kth row, two single-ridge waveguide to double-ridge waveguide adapters 11 positioned in the single-ridge waveguide to double-ridge waveguide adapter group positioned in the jth row and jth column of the kth row are bilaterally symmetrical relative to a square groove on the four-ridge waveguide combination 4 positioned in the jth row and jth column of the kth row along a front-back direction symmetry plane, output ports of the two single-ridge waveguide to double-ridge waveguide adapters 11 positioned in the single-ridge waveguide to double-ridge waveguide adapter group positioned in the jth row and jth column of the kth row are both connected with an input port of the four-ridge waveguide combination 4 positioned in the jth column of the kth row, and M N/2 output ports of the second one-to-M/2 power splitter are connected with input ports of the M Connecting; when electromagnetic waves are input into an input port of a first branch M X N/2 power divider, the first branch M X N/2 power divider divides the electromagnetic waves input into an input port of the first branch M X N/2 branch x-axis polarization direction electromagnetic waves, the M X N/2 branch x-axis polarization direction electromagnetic waves are correspondingly output to an input port of a M X N/2 waveguide-to-double-ridge waveguide adapter 10 through M N/2 output ports of the first branch M X N/2 power divider, the M X N/2 waveguide-to-double-ridge waveguide adapter 10 outputs the x-axis polarization direction electromagnetic waves output to the input port of M X N/4 four-ridge waveguide assemblies 4 through an output port of the M X N/2 waveguide-to-double-ridge waveguide adapter 10, the M X N/2 branch x-axis polarization direction electromagnetic waves are transmitted to M X N/4 four-ridge waveguide assemblies through output ports of the M X N/4 four-ridge waveguide assemblies and are output to N X wave ports of the M X wave-to N/2 wave output ports of the M X wave-to N/2 wave-to N/4 four-ridge waveguide assemblies, and the M X wave output ports of the M X-to N/2 wave-to N wave output ports of the N/2 wave-to the N/N wave-to the N wave-double-ridge waveguide assemblies, at this time, after the M × N/2 y-axis polarization direction electromagnetic waves pass through the M × N/4 four-ridge waveguide combinations 4, the M × N/4 four-ridge waveguide combinations 4 are transmitted to the M × N waveguide radiation ports 2 through output ports of the M × N/4 four-ridge waveguide combinations 4, and the M × N waveguide radiation ports 2 radiate the y-axis polarization direction electromagnetic waves transmitted thereto.
To verify the superiority of the wideband high-efficiency low-profile dual-polarized patch antenna of this embodiment, when M is equal to 4,N is equal to 4, the wideband high-efficiency low-profile dual-polarized patch antenna of this embodiment is simulated based on HFSS simulation software, where a reflection coefficient simulation diagram of the wideband high-efficiency low-profile dual-polarized patch antenna of this embodiment is shown in fig. 7, an efficiency simulation diagram of x-axis direction polarization and y-axis direction polarization of the wideband high-efficiency low-profile dual-polarized patch antenna of this embodiment is shown in fig. 8, and a gain simulation diagram of x-axis direction polarization electromagnetic waves and y-axis direction polarization electromagnetic waves of the all-metal wideband high-efficiency low-profile dual-polarized patch antenna of this embodiment is shown in fig. 9.
In fig. 7, S11 represents the reflection coefficient of the input port of the x-axis polarized feed network, and S22 represents the reflection coefficient of the input port of the y-axis polarized feed network, and it can be seen from analyzing fig. 7 that the reflection coefficients of the two input ports are both lower than-10 db in the frequency application range of 10.5GHz-15GHz (the relative bandwidth is higher than thirty-five percent), and thus it can be seen that the present embodiment has a wide bandwidth. As can be seen from fig. 8, the efficiencies of the x-axis polarization and the y-axis polarization are higher than ninety-five percent in the frequency application range of 10.5GHz to 15GHz, and thus it is known that the present embodiment has high efficiency. Analysis of fig. 9 shows that the gains of the x-axis polarization and the y-axis polarization are higher than 19dbi in the frequency application range of 10.5GHz to 15GHz, and thus it is known that the present embodiment has high gain.
Example two: this embodiment is substantially the same as the first embodiment except that: in this embodiment, the feed network performs feeding by using a stripline feed manner, as shown in fig. 10 to 15, the feed network includes a third metal plate 6, a fourth metal plate 7, an x-axis polarized feed network 8, a y-axis polarized feed network 9, an x-axis polarized suspended stripline-to-double-ridge waveguide array, and a y-axis polarized suspended stripline-to-double-ridge waveguide array; the third metal plate 6 and the fourth metal plate 7 are rectangular plates, the length direction of the third metal plate 6 and the width direction of the fourth metal plate 7 are along the x-axis direction and the y-axis direction, the third metal plate 6 and the fourth metal plate 7 are sequentially laminated from top to bottom, and the third metal plate 6 is laminated below the second metal plate 3; the x-axis polarized feed network 8 and the x-axis polarized suspended stripline-to-double-ridge waveguide array are arranged on the third metal plate 6, the x-axis polarized feed network 8 comprises a one-division M × N/2 power divider, the one-division M × N/2 power divider is called a first one-division M × N/2 power divider, the first one-division M × N/2 power divider is realized by adopting a suspended stripline structure, and the first one-division M × N/2 power divider is provided with an input port and M × N/2 output ports; the x-axis polarized suspended stripline to double-ridge waveguide array comprises completely identical M x N/2 suspended stripline to double-ridge waveguide adapters, which are called as first suspended stripline to double-ridge waveguide adapters 10, M x N/2 first suspended stripline to double-ridge waveguide adapters 10, which are uniformly distributed at intervals according to M rows and N/2 columns, wherein the row direction of the x-axis polarized suspended stripline to double-ridge waveguide array is along the x-axis direction, the column direction is along the y-axis direction, each first suspended stripline to double-ridge waveguide adapter 10 is provided with an input port and an output port, and each two adjacent first suspended stripline to double-ridge waveguide adapters 10 form a first suspended stripline to double-ridge waveguide adapter 10 group from the 1 st row and the 1 st column of the x-axis polarized suspended stripline to double-ridge waveguide array, thereby obtaining M × N/4 first suspended strip line-to-double ridge waveguide adapter 10 groups distributed at equal intervals according to M/2 rows and N/2 columns, wherein the first suspended strip line-to-double ridge waveguide adapter 10 group positioned in the jth row and the jth column corresponds to the four ridge waveguide combination 4 positioned in the jth row and jth column up and down, k =1,2, …, M/2, j =1,2, …, N/2, two first suspended strip line-to-double ridge waveguide adapters 10 in the first suspended strip line-to-double ridge waveguide adapter 10 group positioned in the jth row and jth column are symmetrical front and back along the left-right direction relative to the square groove on the four ridge waveguide combination 4 positioned in the jth column and the first suspended strip line-to-double ridge waveguide adapter 10 group positioned in the jth row and the output port of the two first suspended strip line-to-double ridge waveguide adapter in the first suspended strip line-to-double ridge waveguide adapter 10 group positioned in the jth column and the input port of the fourth ridge waveguide adapter 4 positioned in the jth column Connecting; m X N/2 output ports of the first one-by-one M X N/2 power divider are correspondingly connected with the M X N/2 input ports of the first suspension stripline-to-double-ridge waveguide adapter 10 one by one; the y-axis polarized feed network 9 and the y-axis polarized suspended stripline-to-double ridge waveguide array are arranged on the fourth metal plate 7, the y-axis polarized feed network 9 comprises a one-division M × N/2 power divider, the one-division M × N/2 power divider is called a second one-division M × N/2 power divider, the second one-division M × N/2 power divider is realized by adopting a suspended stripline structure, and the second one-division M × N/2 power divider is provided with an input port and M × N/2 output ports; the y-axis polarized suspended stripline to double-ridge waveguide array comprises completely identical M/N/2 suspended stripline to double-ridge waveguide adapters, the suspended stripline to double-ridge waveguide adapters are called second suspended stripline to double-ridge waveguide adapters 11, M/N/2 second suspended stripline to double-ridge waveguide adapters 11 are uniformly distributed at intervals according to M/2 rows and N columns, the row direction of the y-axis polarized suspended stripline to double-ridge waveguide array is along the x-axis direction, the column direction is along the y-axis direction, each second suspended stripline to double-ridge waveguide adapter 11 is provided with an input port and an output port, and every two adjacent second suspended stripline to double-ridge waveguide adapters 11 form a second suspended stripline to double-ridge waveguide 11 group from the 1 row, the 1 column and the 1 row, the 2 column of the y-axis polarized suspended stripline to double-ridge waveguide array, thereby obtaining M × N/4 second suspended stripline to double-ridge waveguide adapter 11 groups which are uniformly distributed at intervals according to M/2 lines and N/2 lines, wherein the second suspended stripline to double-ridge waveguide adapter 11 group positioned on the jth line and the jth line of the kth line are vertically corresponding to the four-ridge waveguide combination 4 positioned on the jth line and jth line, the two second suspended stripline to double-ridge waveguide adapters 11 in the second suspended stripline to double-ridge waveguide adapter 11 group positioned on the jth line and jth line are bilaterally symmetrical relative to the square groove on the four-ridge waveguide combination 4 positioned on the jth line and jth line along the front-back direction, and the two second suspended stripline to double-ridge waveguide adapters 11 in the second suspended stripline to double-ridge waveguide adapter 11 group positioned on the jth line and jth line are bilaterally symmetrical relative to the square groove on the four-ridge waveguide combination 4 positioned on the jth line and jth line of the kth line The output ports of 11 are all connected with the input ports of the four-ridge waveguide combination 4 positioned in the kth row and the jth column, and the M x N/2 output ports of the second one-division M x N/2 power divider are connected with the input ports of M x N/2 second suspension stripline-to-double-ridge waveguide adapters 11; when electromagnetic waves are input into an input port of a first branch M.N/2 power divider, the first branch M.N/2 power divider divides the electromagnetic waves accessed from the input port into M.N/2 paths of electromagnetic waves in an x-axis polarization direction, and correspondingly outputs the electromagnetic waves in the M.N/2 paths of the x-axis polarization direction to an input port of a M.N/2 first suspended stripline-to-double-ridge waveguide adapter 10 through M.N/2 output ports thereof, the electromagnetic waves in the x-axis polarization direction output to the first suspended stripline-to-double-ridge waveguide adapter 10 are output to input ports of M.N/4 four-ridge waveguide combinations 4 through the output ports thereof, the electromagnetic waves in the M.N/2 paths of the x-axis polarization direction are transmitted to the output ports of M.N/4 four-ridge waveguide combinations 4 through M.N/4-ridge waveguide combinations 4, and the electromagnetic waves in the M.N/2 paths of the x-axis polarization directions are transmitted to the output ports of M.N/4 four-ridge waveguide combinations through M.N/4 output ports thereof, and are transmitted to the two output ports of the electromagnetic waves in a second suspended from the M.N/2-to the first suspended double-ridge waveguide connectors, and the electromagnetic wave output ports thereof, and the electromagnetic waves in the electromagnetic wave output ports thereof are transmitted to the electromagnetic waves in an output port, and then transmitted to the electromagnetic wave from the first suspended to the two electromagnetic wave output ports thereof, at this time, after the M × N/2 y-axis polarization direction electromagnetic waves pass through the M × N/4 four-ridge waveguide combinations 4, the M × N/4 four-ridge waveguide combinations 4 are transmitted to the M × N waveguide radiation ports 2 through output ports of the M × N/4 four-ridge waveguide combinations 4, and the M × N waveguide radiation ports 2 radiate the y-axis polarization direction electromagnetic waves transmitted thereto.
To verify the superiority of the wideband high-efficiency low-profile dual-polarized panel antenna of this embodiment, when M is 4,N is equal to 4, the HFSS simulation software is used to simulate the wideband high-efficiency low-profile dual-polarized panel antenna of this embodiment, where a reflection coefficient simulation diagram of the wideband high-efficiency low-profile dual-polarized panel antenna of this embodiment is shown in fig. 16, an efficiency simulation diagram of x-axis direction polarization and y-axis direction polarization of the wideband high-efficiency low-profile dual-polarized panel antenna of this embodiment is shown in fig. 17, and a gain simulation diagram of x-axis direction polarization electromagnetic waves and y-axis direction polarization electromagnetic waves of the all-metal wideband high-efficiency low-profile dual-polarized panel antenna of this embodiment is shown in fig. 18.
In fig. 16, S11 represents the reflection coefficient of the input port of the x-axis polarized feed network, and S22 represents the reflection coefficient of the input port of the y-axis polarized feed network, and as can be seen from analyzing fig. 16, the reflection coefficients of the two input ports are both lower than-10 db in the frequency application range of 10.5GHz-15GHz (the relative bandwidth is higher than thirty-five percent), so that it can be seen that the present embodiment has a wide bandwidth. Analysis of fig. 17 shows that the efficiencies of the x-axis polarization and the y-axis polarization are higher than ninety-five percent in the frequency application range of 10.5GHz to 15GHz, and thus it is known that the present embodiment has high efficiency. Analysis of fig. 18 shows that the gains of the x-axis polarization and the y-axis polarization are higher than 19dbi in the frequency application range of 10.5GHz to 15GHz, and thus it is known that the present embodiment has high gain.

Claims (3)

1. A broadband high-gain dual-polarized panel antenna comprises a radiation network and a feed network which are stacked from top to bottom; the feed network is characterized in that the feed network adopts an all-metal feed mode or a strip line feed mode for feeding; the radiation network comprises a first metal plate, M × N waveguide radiation ports, a second metal plate and M × N/4 four-ridge waveguide combinations, wherein the M × N waveguide radiation ports are arranged on the first metal plate, the M × N/4 four-ridge waveguide combinations are arranged on the second metal plate, M is an even number which is greater than or equal to 2, N is an even number which is greater than or equal to 2, x is a multiplication operation sign,/is a division operation sign, and the second metal plate is stacked below the first metal plate; the first metal plate is a rectangular plate, the length direction of the first metal plate is along the front-back direction, the front-back direction is defined as the x-axis direction, the width direction is along the left-right direction, the left-right direction is defined as the y-axis direction, M x N waveguide radiation ports are uniformly distributed at intervals according to M rows and N columns to form a waveguide radiation port array, the row direction of the waveguide radiation port array is along the x-axis direction, the column direction is along the y-axis direction, the waveguide radiation port array is used for radiating electromagnetic waves in the x-axis polarization direction and electromagnetic waves in the y-axis polarization direction, each waveguide radiation port is realized by arranging hollowed radiation slots on the first metal plate, the upper end surface of each waveguide radiation port is flush with the upper end surface of the first metal plate, and the lower end surface of each radiation slot is flush with the lower end surface of the first metal plate; in the waveguide radiation port array, starting from the 1 st row and the 1 st column, the 1 st row and the 2 nd column, the 2 nd row and the 2 nd column, every adjacent four waveguide radiation ports arranged according to the 2 rows and the 2 nd columns are used as a waveguide radiation port group, and the waveguide radiation port array is provided with M/2*N/2 waveguide radiation port groups which are uniformly distributed at intervals according to M/2 rows and N/2 columns; the four-ridge waveguide array is arranged on the second metal plate and comprises M, N and 4 completely identical four-ridge waveguide combinations, the M, N and 4 four-ridge waveguide combinations are uniformly distributed at intervals according to M/2 rows and N/2 columns, the row direction of the four-ridge waveguide array is along the x-axis direction, the column direction is along the y-axis direction, each four-ridge waveguide combination is provided with an input port and an output port, the M, N and 4 four-ridge waveguide combinations are correspondingly butted with the M/2*N/2 waveguide radiation port groups one by one, the corresponding four-ridge waveguide combination and one waveguide radiation port group are arranged in a way that the output ports of the four-ridge waveguide combination are connected with the four waveguide radiation ports of the waveguide radiation port group; each four-ridge waveguide combination is formed by sequentially laminating a plurality of four-ridge waveguides from top to bottom, each four-ridge waveguide is provided with an input port and an output port, when the four-ridge waveguides are sequentially laminated from top to bottom to form the four-ridge waveguide combination, the output port of each four-ridge waveguide is positioned above the input port, the input port is positioned below the input port, the input port of the four-ridge waveguide positioned on the upper layer is butted with the output port of the four-ridge waveguide positioned on the lower layer, the output port of the four-ridge waveguide positioned on the uppermost layer is the output port of the four-ridge waveguide combination, the input port of the four-ridge waveguide positioned on the lowermost layer is the input port of the four-ridge waveguide combination, and the depth of the ridge of the four-ridge waveguide on the lower layer along the x-axis direction is greater than the depth of the ridge of the four-ridge waveguide on the upper layer along the x-axis direction, the depth of the ridge of the lower layer of four-ridge waveguide along the y-axis direction is greater than the depth of the ridge of the upper layer of four-ridge waveguide along the y-axis direction, each four-ridge waveguide is symmetrically arranged along the front-back direction, the symmetrical surfaces of the four-ridge waveguides along the front-back direction are located on the same plane, each four-ridge waveguide is provided with a square groove which penetrates through the four ridge waveguides from top to bottom, the symmetrical surfaces of the square groove along the front-back direction are overlapped with the symmetrical surfaces of the four ridge waveguides along the front-back direction, the center of the square groove is overlapped with the center of the four ridge waveguides, from bottom to top, the side length of the cross section of the square groove on the upper layer of four-ridge waveguide is less than the side length of the cross section of the square groove on the lower layer of four-ridge waveguide, and the side length of the cross section of the square groove on the lowest layer of four-ridge waveguide is less than the depth of the four ridge waveguide along the left-right direction and the depth of the top layer of four ridge waveguides along the front-back direction.
2. The broadband high-gain dual-polarized panel antenna according to claim 1, wherein when the feed network feeds in an all-metal feed manner, the feed network comprises a third metal plate, a fourth metal plate, an x-axis polarized feed network, a y-axis polarized feed network, a waveguide-to-double-ridge waveguide array, and a single-ridge waveguide-to-double-ridge waveguide array; the third metal plate and the fourth metal plate are rectangular plates, the length direction of the third metal plate and the width direction of the fourth metal plate are along the x-axis direction and the y-axis direction, the third metal plate and the fourth metal plate are sequentially stacked from top to bottom, and the third metal plate is stacked below the second metal plate; the x-axis polarized feed network and the waveguide-to-double-ridge waveguide array are arranged on the third metal plate, the x-axis polarized feed network comprises a one-division M × N/2 power divider, the one-division M × N/2 power divider is called a first one-division M × N/2 power divider, the first one-division M × N/2 power divider is realized by adopting a waveguide structure, and the first one-division M × N/2 power divider is provided with an input port and M × N/2 output ports; the waveguide-to-double-ridge waveguide array comprises M x N/2 waveguide-to-double-ridge waveguide adapters which are completely the same, the M x N/2 waveguide-to-double-ridge waveguide adapters are uniformly distributed at intervals according to M rows and N/2 columns, the row direction of the waveguide-to-double-ridge waveguide array is along the x-axis direction, the column direction is along the y-axis direction, each waveguide-to-double-ridge waveguide adapter is provided with an input port and an output port, and from the 1 st row and the 1 st column of the 1 st row and the 2 nd row and the 1 st column of the 2 nd row of the waveguide-to-double-ridge waveguide array, every two adjacent waveguide-to-double-ridge waveguide adapters form a waveguide-to-double-ridge waveguide adapter group, so that M N/4 waveguide-to-double-ridge waveguide adapter groups which are uniformly distributed at intervals according to M/2 rows and N/2 columns are obtained, the waveguide-to-double-ridge waveguide adapter group positioned in the jth row and jth column of the kth row corresponds to the four ridge waveguide combinations positioned in the jth column and jth row of the kth row up and down, k =1,2, …, M/2, j =1,2, …, N/2, two waveguide-to-double-ridge waveguide adapters in the waveguide-to-double-ridge waveguide adapter group positioned in the jth row and jth column of the kth row are front-to-back symmetrical relative to a square groove on the four ridge waveguide combinations positioned in the jth row and jth column of the kth row along a left-to-right symmetrical plane, and output ports of the two waveguide-to-double-ridge waveguide adapters in the waveguide-to-double-ridge waveguide adapter group positioned in the jth column of the kth row are both connected with input ports of the four ridge waveguide combinations positioned in the jth column of the kth row; m x N/2 output ports of the first one-by-one M x N/2 power divider are correspondingly connected with input ports of M x N/2 waveguide-to-double-ridge waveguide adapters one by one; the y-axis polarized feed network and the single-ridge-waveguide-to-double-ridge-waveguide array are arranged on the fourth metal plate, the y-axis polarized feed network comprises a one-division M × N/2 power divider, the one-division M × N/2 power divider is called a second one-division M × N/2 power divider, the second one-division M × N/2 power divider is realized by adopting a single-ridge waveguide structure, and the second one-division M × N/2 power divider is provided with an input port and M × N/2 output ports; the single-ridge waveguide to double-ridge waveguide array comprises M N/2 single-ridge waveguide to double-ridge waveguide adapters which are completely the same, the M N/2 single-ridge waveguide to double-ridge waveguide adapters are uniformly distributed at intervals according to M/2 rows and N columns, the row direction of the single-ridge waveguide to double-ridge waveguide array is along the x-axis direction, the column direction is along the y-axis direction, each single-ridge waveguide to double-ridge waveguide adapter is provided with an input port and an output port, starting from the 1 st row and the 2 nd row of the single-ridge waveguide to double-ridge waveguide array, every two adjacent single-ridge waveguide to double-ridge waveguide adapters form a single-ridge waveguide to double-ridge waveguide adapter group, and M N/4 single-ridge waveguide to double-ridge waveguide adapter groups which are uniformly distributed at intervals according to M/2 rows and N/2 columns are obtained, the single-ridge waveguide to double-ridge waveguide adapter group positioned in the jth line and the jth line of the kth line correspond to the four-ridge waveguide combination body positioned in the jth line and the jth line up and down, two single-ridge waveguide to double-ridge waveguide adapters positioned in the jth line and the jth line of the kth line are bilaterally symmetrical relative to a square groove on the jth line and jth line of the four-ridge waveguide combination body along the front-back direction, output ports of the two single-ridge waveguide to double-ridge waveguide adapters positioned in the jth line and the jth line of the kth line are connected with input ports of the four-ridge waveguide combination body positioned in the jth line and the jth line of the kth line, and M/N/2 output ports of the second one-to-M/2 power divider and M/N/2 input ports of the single-ridge waveguide to double-ridge waveguide combination bodies Connecting;
when electromagnetic waves are input into an input port of a first branch M X N/2 power divider, the first branch M X N/2 power divider divides the electromagnetic waves input into an input port of the first branch M X N/2 power divider into M X-axis polarized electromagnetic waves in an X-axis polarized direction, the M X N/2X-axis polarized electromagnetic waves are correspondingly output to an input port of a M X N/2 waveguide-to-double-ridge waveguide adapter through M N/2 output ports thereof, the M X N/2 waveguide-to-double-ridge waveguide adapter outputs the X-axis polarized electromagnetic waves output thereto to input ports of M X N/4 four-ridge waveguide adapters through output ports thereof, the M X N/2X-axis polarized electromagnetic waves are transmitted to M N radiation waveguide ports through M N/4 four-ridge waveguide adapters after passing through M N/4 four-ridge waveguide adapters, the M X-N/2X-axis electromagnetic waves are transmitted to two output ports of M X-Y four-ridge waveguide adapters, and the M X-Y electromagnetic waves are transmitted to two output ports of M X-Y waveguide adapters, at the moment, the M-N/2 paths of electromagnetic waves in the y-axis polarization direction pass through the M-N/4 four-ridge waveguide combinations, and then are transmitted to the M-N waveguide radiation ports through output ports of the M-N/4 four-ridge waveguide combinations, and the M-N waveguide radiation ports radiate the electromagnetic waves in the y-axis polarization direction transmitted to the M-N waveguide radiation ports.
3. The broadband high-gain dual-polarized panel antenna according to claim 1, wherein when the feed network feeds in a strip line feed manner, the feed network comprises a third metal plate, a fourth metal plate, an x-axis polarized feed network, a y-axis polarized feed network, an x-axis polarized suspended strip line-to-dual-ridge waveguide array, and a y-axis polarized suspended strip line-to-dual-ridge waveguide array; the third metal plate and the fourth metal plate are rectangular plates, the length direction of the third metal plate and the width direction of the fourth metal plate are along the x-axis direction and the y-axis direction, the third metal plate and the fourth metal plate are sequentially laminated from top to bottom, and the third metal plate is laminated below the second metal plate; the x-axis polarized feed network and the x-axis polarized suspended stripline-to-double-ridge waveguide array are arranged on the third metal plate, the x-axis polarized feed network comprises a one-division M × N/2 power divider, the one-division M × N/2 power divider is called a first one-division M × N/2 power divider, the first one-division M × N/2 power divider is realized by adopting a suspended stripline structure, and the first one-division M × N/2 power divider is provided with an input port and M × N/2 output ports; the X-axis polarized suspended stripline to double-ridge waveguide array comprises M x N/2 suspended stripline to double-ridge waveguide adapters which are completely the same, the adapters are called first suspended stripline to double-ridge waveguide adapters, the M x N/2 first suspended stripline to double-ridge waveguide adapters are uniformly distributed at intervals according to M rows and N/2 columns, the row direction of the X-axis polarized suspended stripline to double-ridge waveguide array is along the x-axis direction, the column direction is along the y-axis direction, each first suspended stripline to double-ridge waveguide adapter is provided with an input port and an output port, and every two adjacent first suspended stripline to double-ridge waveguide adapters form a first suspended stripline to double-ridge waveguide adapter group from the 1 st row and the 1 st column of the 1 st row and the 2 nd column of the X-axis polarized suspended stripline to double-ridge waveguide array, thereby obtaining M × N/4 first suspended strip line to double-ridge waveguide adapter groups which are uniformly distributed at intervals according to M/2 rows and N/2 columns, wherein the first suspended strip line to double-ridge waveguide adapter group positioned in the jth row and the jth column are vertically corresponding to the four-ridge waveguide combination positioned in the jth row and jth column, k =1,2, …, M/2, j =1,2, …, N/2, two first suspended strip line to double-ridge waveguide adapters in the first suspended strip line to double-ridge waveguide adapter group positioned in the jth row and jth column are front-back symmetrical relative to the square groove positioned on the four-ridge waveguide combination positioned in the jth row and jth column along the left-right direction, and the output ports of the two first suspended strip line to double-ridge waveguide adapter groups positioned in the jth row and the input ends of the kth ridge waveguide are positioned on the input ends of the jth ridge waveguide A port connection; m x N/2 output ports of the first one-by-one M x N/2 power divider are correspondingly connected with input ports of M x N/2 first suspension stripline-to-double-ridge waveguide adapters one by one; the y-axis polarized feed network and the y-axis polarized suspended stripline-to-double-ridge waveguide array are arranged on the fourth metal plate, the y-axis polarized feed network comprises a one-division M × N/2 power divider, the one-division M × N/2 power divider is called a second one-division M × N/2 power divider, the second one-division M × N/2 power divider is realized by adopting a suspended stripline structure, and the second one-division M × N/2 power divider is provided with an input port and M × N/2 output ports; the Y-axis polarized suspended stripline-to-double-ridge waveguide array comprises completely identical M/N/2 suspended stripline-to-double-ridge waveguide adapters, the suspended stripline-to-double-ridge waveguide adapters are called second suspended stripline-to-double-ridge waveguide adapters, the M/N/2 second suspended stripline-to-double-ridge waveguide adapters are uniformly distributed at intervals according to M/2 rows and N columns, the row direction of the Y-axis polarized suspended stripline-to-double-ridge waveguide array is along the x-axis direction, the column direction is along the y-axis direction, each second suspended stripline-to-double-ridge waveguide adapter is provided with an input port and an output port, and a second suspended stripline-to-double-ridge waveguide adapter group is formed by starting from the 1 st row, 1 st column and 1 st row, 2 nd column of the Y-axis polarized suspended stripline-to-double-ridge waveguide array, thereby obtaining M/N/4 second suspended strip line-to-double ridge waveguide adapter groups which are uniformly distributed at intervals according to M/2 lines and N/2 lines, wherein the second suspended strip line-to-double ridge waveguide adapter groups positioned in the jth line and the jth line of the kth line are vertically corresponding to the four ridge waveguide combination bodies positioned in the jth line and the jth line, two second suspended strip line-to-double ridge waveguide adapters positioned in the jth line and the jth line of the kth line are bilaterally symmetrical relative to the square groove positioned on the four ridge waveguide combination bodies of the jth line and the jth line of the kth line along the front-back direction, and two second suspended strip line-to-double ridge waveguide adapters positioned in the jth line and the jth line of the kth line are bilaterally symmetrical to the square groove positioned on the four ridge waveguide combination bodies of the jth line and the jth line of the kth line along the front-back direction, and the output ports of the two second suspended strip line-to-double ridge waveguide adapters positioned in the jth line and the jth line are converted into double ridge waveguide adapter groups The output ports of M × N/2 of the second one-to-M × N/2 power divider are connected with the input ports of M × N/2 second suspended stripline to double-ridge waveguide adapters;
when electromagnetic waves are input into an input port of the first one-to-M × N/2 power divider, the first one-to-M × N/2 power divider divides the electromagnetic waves accessed into the input port into M × N/2 x-axis polarized electromagnetic waves, and outputs the M × N/2 x-axis polarized electromagnetic waves to input ports of the M × N/2 first suspended stripline to double-ridge waveguide adapters through M × N/2 output ports thereof in a one-to-one correspondence manner, the M × N/2 first suspended stripline to double-ridge waveguide adapters output the x-axis polarized electromagnetic waves to the input ports of the M × N/4 four-ridge waveguide adapters through the output ports thereof, and at this time, the M × N/2 x-axis polarized electromagnetic waves are transmitted to M × N waveguide radiation ports through output ports of the M × N/4 four-ridge waveguide adapters, the M X-axis polarization direction electromagnetic waves transmitted to the M X-axis polarization direction electromagnetic waves are radiated out from the M N waveguide radiation ports, when the electromagnetic waves are input into the input port of the second one-division M X N/2 power divider, the electromagnetic waves input into the input port of the second one-division M X N/2 power divider are divided into M X N/2 y-axis polarization direction electromagnetic waves by the second one-division M X N/2 power divider, the M X N/2 y-axis polarization direction electromagnetic waves are correspondingly output to the input ports of the M N/2 second suspension stripline to double-ridge waveguide adapters through the M X N/2 output ports, the M N/2 second suspension stripline to double-ridge waveguide adapters output the y-axis polarization direction electromagnetic waves to the input ports of the M N/4 four-ridge waveguide combination bodies through the output ports, at the moment, the M-N/2 paths of electromagnetic waves in the y-axis polarization direction pass through the M-N/4 four-ridge waveguide combinations, and then are transmitted to the M-N waveguide radiation ports through output ports of the M-N/4 four-ridge waveguide combinations, and the M-N waveguide radiation ports radiate the electromagnetic waves in the y-axis polarization direction transmitted to the M-N waveguide radiation ports.
CN202211593186.7A 2022-12-13 2022-12-13 Broadband high-gain dual-polarized panel antenna Pending CN115799833A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116130954A (en) * 2023-04-04 2023-05-16 成都迅翼卫通科技有限公司 All-metal dual-polarized feed unit and panel antenna
CN116937185A (en) * 2023-07-28 2023-10-24 南京华成微波技术有限公司 Intelligent double-polarized linear array microwave receiving and transmitting system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116130954A (en) * 2023-04-04 2023-05-16 成都迅翼卫通科技有限公司 All-metal dual-polarized feed unit and panel antenna
CN116130954B (en) * 2023-04-04 2023-07-11 成都迅翼卫通科技有限公司 All-metal dual-polarized feed unit and panel antenna
CN116937185A (en) * 2023-07-28 2023-10-24 南京华成微波技术有限公司 Intelligent double-polarized linear array microwave receiving and transmitting system
CN116937185B (en) * 2023-07-28 2024-02-23 南京华成微波技术有限公司 Intelligent double-polarized linear array microwave receiving and transmitting system

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