CN109755767A - Eight frequency range Dual-polarized single pulse dual reflector antennas - Google Patents
Eight frequency range Dual-polarized single pulse dual reflector antennas Download PDFInfo
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- CN109755767A CN109755767A CN201910153945.XA CN201910153945A CN109755767A CN 109755767 A CN109755767 A CN 109755767A CN 201910153945 A CN201910153945 A CN 201910153945A CN 109755767 A CN109755767 A CN 109755767A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
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- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses eight frequency range Dual-polarized single pulse dual reflector antennas, including primary reflection surface, the subreflector is mounted on the top side of primary reflection surface, there are four support rods for the top side installation of primary reflection surface, four support rods are to be obliquely installed, the top of four support rods is mounted on the same subreflector, primary reflection surface is equipped with feed battle array and feeding network, L, S, X1, X2, X3, Ku, K, Ka frequency range realizes shared reflecting surface by feed battle array, L frequency range a period of time that feed battle array is arranged symmetrically by two, two S frequency range loudspeaker being arranged symmetrically, four X1, X2, X3 shares square loudspeaker, one Ku, K, Ka shares circular horn composition.Antenna realizes the isolation of each frequency range by feeding network, is independent of each other.The beam position of eight frequency ranges of the invention is overlapped and along antenna axial direction, eight frequency range of reflector antenna is realized using the solution of the present invention to work at the same time, it is not interfere with each other between feed, the volume-diminished for being equivalent to eight slave antennas is common antenna, it is small with size, light-weight, at low cost advantage, the present invention are suitable for the dual reflector antennas such as Cassegrain and Greggory.
Description
Technical field
The present invention relates to reflector antenna technical field more particularly to eight frequency range Dual-polarized single pulse dual reflector antennas.
Background technique
Dual reflector antenna is typical high-gain aerial form, in satellite communication, navigation, radio astronomy, radar, wireless
The various fields such as pyroelectric monitor have a wide range of applications.
Since antenna needs broadband or multiband to work, and the working band of single feed is limited, therefore heavy caliber is anti-
It penetrates surface antenna and needs to be equipped with multiple feeds to realize the covering of ultrabroad band, since antenna only has the first focus and the second focus two
Feed can be set in a position, it is therefore desirable to and a set of reasonable feeding scheme is designed, that is, designs the feed placement of each frequency range feed,
Feeding scheme it is reasonable whether be not only related to the complexity of antenna structure, also affect the electric property of antenna.
Summary of the invention
Technical problems based on background technology, the invention proposes eight frequency range Dual-polarized single pulse double-reflecting face days
Line.
Eight frequency ranges Dual-polarized single pulse dual reflector antenna proposed by the present invention, including primary reflection surface, the subreflector
It is movably arranged on the top side of primary reflection surface, the top side of primary reflection surface is movably installed with four support rods, and four support rods are
It is obliquely installed, the top of four support rods is movably installed with the same subreflector, and primary reflection surface is equipped with feed battle array and feedback
Electric network, in L frequency range a period of time that feed battle array is arranged symmetrically by two, two S frequency range loudspeaker being arranged symmetrically, four X1, X2, X3 are total
With square loudspeaker, Ku, K, a Ka share circular horn composition, and the bottom side of four square loudspeaker is fixedly installed with straight-arm, two straight-arms
The same side be movably installed with S frequency range power splitter, the same side of two adjacent straight-arms is movably installed with L frequency range power splitter.Feedback
Four X1, X2, X3 of source battle array share square loudspeaker and are connect by four square wave guides with four orthomode couplers, orthomode coupler
Connection is by X1 output port, X2 output port, X3 output port composition.Circular horn, circular horn surrounding peace are installed in feed battle array
Equipped with square loudspeaker, the bottom side of circular horn is fixedly installed with Ku, K, Ka channel-splitting filter, and the side of Ku, K, Ka channel-splitting filter is equipped with low pass
Filter, the bottom side of low-pass filter are movably installed with Ku frequency range delivery outlet, and the bottom side of Ku, K, Ka channel-splitting filter is equipped with K, Ka points
Wave device, the bottom side of K, Ka channel-splitting filter are connected to K low-pass filter, and there is the Ka in K low-pass filter in the side of K, Ka channel-splitting filter
Frequency range delivery outlet, the bottom side of K low-pass filter are movably installed with K combiner, and K combiner bottom side is equipped with K frequency range delivery outlet.Four
The signal that a X1, X2, X3 share square loudspeaker exports X1, X2 by four orthomode couplers, and X3 signal is coupled out the X1 on four tunnels
Signal first passes around filter and inhibits X2, and X3 band interference signal, then four road X1 signals by the first evil spirit T synthesize two-way again
Signal, two-way X1 signal out synthesize signal all the way by the first evil spirit T, three second evil spirit T by first wave guide load into
Row matching, the signal being finally synthesizing are exported by first wave guide.The X2 frequency band signals for being coupled out four tunnels are synthesized by the second evil spirit T
Two paths of signals, two-way X1 signal out synthesize signal all the way by the second evil spirit T, and three second evil spirit T are negative by second waveguide
It is loaded into capable matching, the signal being finally synthesizing is exported by second waveguide.The X3 frequency band signals for being coupled out four tunnels pass through two thirds
Magic T synthesizes four road signals, and two-way X3 signal out becomes all the way with signal and all the way pitching difference signal by third evil spirit T,
Other two-way X3 signal out synthesizes orientation difference signal all the way by the 3rd T of evil spirit, and the signal being finally synthesizing is and channel side
Potential difference, trim.
Preferably, the X1, X2,4 square loudspeaker that X3 frequency range is multiplexed around circular horn, X1, X2 frequency range is by 4 square loudspeaker
Etc. amplitudes, same-phase excitation group battle array generate directional diagram, X3 frequency range is formed using four square loudspeaker and poor pulse wave beam, formation
With poor triple channel.
Preferably, described L, X2, Ka are horizontal polarization, and S, X1, X3, Ku, K are vertical polarization.
In the present invention, the eight frequency ranges Dual-polarized single pulse dual reflector antenna passes through primary reflection surface, subreflector, support
Bar, feed battle array, feeding network, L frequency range feed, S frequency range feed, square loudspeaker, circular horn, orthomode coupler, S frequency range function point
Device, L frequency range power splitter, the first orthogonal coupling, the second orthogonal coupling, straight-arm, Ku frequency range delivery outlet, K frequency range delivery outlet, Ka frequency range
Delivery outlet, Ku, K, Ka channel-splitting filter, low-pass filter, K, Ka channel-splitting filter, K low-pass filter, K combiner are used cooperatively, and are used
Divide radiation port multifrequency feed technology, feed battle array is placed on the focus of subreflector.
The beam position of eight frequency ranges of the invention is overlapped and along antenna axial direction, realizes reflecting surface day using the solution of the present invention
Eight frequency range of line works at the same time, and does not interfere with each other between feed, and the volume-diminished for being equivalent to eight slave antennas is common antenna, has size
Small, light-weight, at low cost advantage, the present invention are suitable for the dual reflector antennas such as Cassegrain and Greggory.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of eight frequency range Dual-polarized single pulse dual reflector antennas of the invention；
Fig. 2 is the schematic diagram that the technical solution that the present invention takes is applied to Cassegrain antenna, and the left side is bottom view, the right
For lateral sectional view；
Fig. 3 is L, S, X1, X2, X3 frequency range feed battle array schematic diagram of the present invention, conceals remaining feeding network；
Fig. 4 is Ku, K, Ka frequency range feed battle array schematic diagram of the present invention, conceals remaining feeding network；
Fig. 5 is X1 frequency range feeding network schematic diagram of the present invention, conceals remaining feeding network；
Fig. 6 is X2 frequency range feeding network of the present invention, conceals remaining feeding network；
Fig. 7 is X3 frequency range feeding network of the present invention, conceals remaining feeding network；
Fig. 8 is L frequency range actual measurement directional diagram of the present invention；
Fig. 9 is S frequency range actual measurement directional diagram of the present invention；
Figure 10 is X1 frequency range actual measurement directional diagram of the present invention；
Figure 11 is X2 frequency range actual measurement directional diagram of the present invention；
Figure 12 is X3 frequency range of the present invention and road actual measurement directional diagram；
Figure 13 is X3 frequency range gun parallax actual measurement directional diagram of the present invention；
Figure 14 is actual measurement directional diagram in X3 frequency range trim road of the present invention；
Figure 15 is Ku frequency range actual measurement directional diagram of the present invention；
Figure 16 is K frequency range actual measurement directional diagram of the present invention；
Figure 17 is Ka frequency range actual measurement directional diagram of the present invention；
In figure: 1 primary reflection surface, 2 subreflectors, 3 support rods, 4 feed battle arrays, 5 feeding networks, 6L frequency range feed, 7S frequency range
Feed, 8 side's loudspeaker, 9 circular horns, 10 orthomode couplers, 11S frequency range power splitter, 12L frequency range power splitter, 13 first corss couplings
Heal up, 14 second orthogonal coupling apertures, 15 straight-arm mouths, 16Ku frequency range delivery outlet, 17K frequency range delivery outlet, 18Ka frequency range delivery outlet,
19Ku, K, Ka channel-splitting filter, 20 low-pass filters, 21K, Ka channel-splitting filter, 22K low-pass filter, 23K combiner, 41 filters, 42
First evil spirit T, the load of 43 first wave guides, 44 first wave guides, 45X2 signal, 46 second evil spirit T, the load of 47 second waveguides, 48 second waves
It leads, 49 third evil spirit T, 50 and channel, 51 gun parallaxes, 52 trims.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment.
Referring to Fig.1-17, of the invention: antenna also simultaneously can using the Cassegrain parabola antenna form just presented, the design
To be applied to Pascal Greggory dual reflector antenna, antenna multiband is mainly realized by feed system, using dividing the radiation port more
Frequency feed technology, feed battle array are placed on the focus of subreflector, X1, X2, and X3 frequency range is multiplexed 4 side's loudspeaker 8 around circular horn,
For X1, X2 frequency range by amplitudes such as 4 square loudspeaker, same-phase excitation group battle array generates directional diagram, X1 frequency band signals and X2 frequency band signals point
Not Cai Yong orthomode coupler 10 successively from side wall it is orthogonal coupling 13,14 output, due to X1, X2 and X3 frequency band signals input and
Output is four loudspeaker forms, therefore X1 the and X2 frequency band signals being coupled out must also carry out signal synthesis by three evil spirit T respectively,
Formed and signal, X3 frequency range is formed using four loudspeaker and poor pulse wave beam, formed and poor triple channel, X3 frequency range by with X1 frequently
The identical straight-arm 15 of Duan Jihua exports, and X3 frequency band signals then must can just be obtained by four evil spirit T gun parallax, trim and and
Signal places a pair of L frequency range feed 6 and a pair of S frequency range feed 7, a pair of of L frequency range feed group in 4 side's X loudspeaker outer edges respectively
L frequency range directional diagram is formed at antenna array, L frequency range power splitter 12 is responsible for the level of drive required for providing L frequency range, a pair of of S frequency range feedback
Source forms antenna array and forms S frequency range directional diagram, and S frequency range power splitter 11 is responsible for the level of drive required for providing S frequency range, Ku, K, Ka
Frequency range is multiplexed the circular horn 9, Ku in feed battle array center, K, and Ka feeding network scheme is that Ku frequency band signals are passed through Ku, K, Ka first
Channel-splitting filter 19 comes out from sidewall coupling, then connects Ku band low-pass filter 20, finally exports from Ku frequency range delivery outlet 16, K, Ka frequency
Segment signal is then from Ku, and K, the straight-arm output of Ka channel-splitting filter 19, by K, 21 sidewall coupling of Ka frequency range channel-splitting filter comes out the signal of K,
K low-pass filter 22 is connect again, then is synthesized by K combiner 23, is finally exported from K frequency range delivery outlet 17, and Ka signal is from K, Ka points
The straight-arm of wave device 21 exports, and finally exports from Ka frequency range delivery outlet 18, antenna main reflector bore 2m, subreflector bore
380mm, longitudinal size 0.95m, the X frequency range of antenna are multiplexed bell mouth diameter 44m, Ku, K, and Ka is multiplexed bell mouth diameter 24mm.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. eight frequency range Dual-polarized single pulse dual reflector antennas, including primary reflection surface (1), which is characterized in that the subreflector
(2) it being movably arranged on the top side of primary reflection surface (1), the top side of primary reflection surface (1) is movably installed with four support rods (3), and four
A support rod (3) is to be obliquely installed, and the top of four support rods (3) is movably installed with the same subreflector (2), main anti-
It penetrates face (1) and feed battle array (4) and feeding network (5) is installed, L frequency range a period of time (6) that feed battle array (4) is arranged symmetrically by two, two
A S frequency range loudspeaker (7) being arranged symmetrically, four X1, X2, X3 share square loudspeaker (8), and Ku, K, a Ka share circular horn (9) group
At the bottom side of four square loudspeaker (8) is fixedly installed with straight-arm (15), and the same side of two straight-arms (15) is movably installed with S frequency
Section power splitter (11), the same side of two adjacent straight-arms (15) is movably installed with L frequency range power splitter (12).Feed battle array (4)
Four X1, X2, X3 share square loudspeaker (8) and are connect (10) by four square wave guides with four orthomode couplers, orthogonal mode coupling
Device connects (10) by X1 output port (13), X2 output port (14), X3 output port (15) composition.
2. being equipped with circular horn (9) in feed battle array (4), circular horn (9) the surrounding side of being equipped with loudspeaker (8), the bottom side of circular horn (9)
It is fixedly installed with Ku, K, Ka channel-splitting filter (19), the side of Ku, K, Ka channel-splitting filter (19) is equipped with low-pass filter (20), low pass
The bottom side of filter (20) is movably installed with Ku frequency range delivery outlet (17), and the bottom side of Ku, K, Ka channel-splitting filter (19) is equipped with K, Ka
Channel-splitting filter (21), the bottom side of K, Ka channel-splitting filter (21) are connected to K low-pass filter (22), and the side of K, Ka channel-splitting filter (21), which has, to be located at
Ka frequency range delivery outlet (18) in K low-pass filter (22), the bottom side of K low-pass filter (22) are movably installed with K combiner
(23), K combiner (23) bottom side is equipped with K frequency range delivery outlet (17).
3. the signal that four X1, X2, X3 share square loudspeaker (8) exports X1, X2, X3 letter by four orthomode couplers (10)
Number, the X1 signal that port (13) are coupled out four tunnels first passes around filter (41) and inhibits X2, X3 band interference signal, and then again four
Road X1 signal synthesizes two paths of signals by the first evil spirit T (42), and two-way X1 signal out synthesizes one by the first evil spirit T (42)
Road signal, three second evil spirit T (46) are matched by first wave guide load (43), and the signal being finally synthesizing passes through first wave guide
(44) it exports, the X2 frequency band signals (45) that port (14) are coupled out four tunnels synthesize two paths of signals by the second evil spirit T (46), out
Two-way X1 signal signal all the way is synthesized by the second evil spirit T (46), three second evil spirit T (46) pass through second waveguide load (47)
It is matched, the signal being finally synthesizing is exported by second waveguide (48), and port (15) are coupled out the X3 frequency band signals on four tunnels
(40) four road signals are synthesized by two third evil spirit T (49), two-way X3 signal out is become all the way by third evil spirit T (49)
With signal and all the way pitching difference signal, other two-way X3 signal out, which synthesizes gun parallax all the way by 3rd T (49) of evil spirit, to be believed
Number, the signal being finally synthesizing is and channel (50), gun parallax (51), trim (52).
4. eight frequency ranges Dual-polarized single pulse dual reflector antenna according to claim 1, which is characterized in that X1, the X2,
4 square loudspeaker (8) that X3 frequency range is multiplexed around circular horn (9), X1, X2 frequency range are swashed by the amplitudes such as 4 square loudspeaker (8), same-phase
It encourages group battle array and generates directional diagram, X3 frequency range is formed using four square loudspeaker (8) and poor pulse wave beam, formation and poor triple channel.
5. eight frequency ranges Dual-polarized single pulse dual reflector antenna according to claim 1, which is characterized in that the L, X2,
Ka is horizontal polarization, and S, X1, X3, Ku, K are vertical polarization.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018112266150 | 2018-10-19 | ||
| CN201811226615.0A CN109378596A (en) | 2018-10-19 | 2018-10-19 | Eight frequency range Dual-polarized single pulse dual reflector antennas |
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| Publication Number | Publication Date |
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| CN109755767A true CN109755767A (en) | 2019-05-14 |
| CN109755767B CN109755767B (en) | 2021-01-08 |
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| CN201811226615.0A Pending CN109378596A (en) | 2018-10-19 | 2018-10-19 | Eight frequency range Dual-polarized single pulse dual reflector antennas |
| CN201910153945.XA Active CN109755767B (en) | 2018-10-19 | 2019-02-28 | Eight-frequency-band dual-polarization single-pulse double-reflector antenna |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811226615.0A Pending CN109378596A (en) | 2018-10-19 | 2018-10-19 | Eight frequency range Dual-polarized single pulse dual reflector antennas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113258250A (en) * | 2021-04-13 | 2021-08-13 | 中国电子科技集团公司第二十九研究所 | Compact feed array structure of reflector antenna |
| CN114552217A (en) * | 2022-04-07 | 2022-05-27 | 中国电子科技集团公司第三十八研究所 | Multi-band multiplexing sub-array module and radar antenna array surface |
| WO2024120312A1 (en) * | 2022-12-06 | 2024-06-13 | 华为技术有限公司 | Full duplex antenna device and communication system |
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|---|---|---|---|---|
| WO2020200461A1 (en) * | 2019-04-04 | 2020-10-08 | Huawei Technologies Co., Ltd. | Composite artificial dielectrics and multiband antenna feeder |
| CN115360532B (en) * | 2022-08-18 | 2023-05-23 | 南京信息工程大学 | Dual-polarized high-isolation Cassegrain antenna |
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| CN113258250A (en) * | 2021-04-13 | 2021-08-13 | 中国电子科技集团公司第二十九研究所 | Compact feed array structure of reflector antenna |
| CN113258250B (en) * | 2021-04-13 | 2022-05-10 | 中国电子科技集团公司第二十九研究所 | Compact feed array structure of reflector antenna |
| CN114552217A (en) * | 2022-04-07 | 2022-05-27 | 中国电子科技集团公司第三十八研究所 | Multi-band multiplexing sub-array module and radar antenna array surface |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109755767B (en) | 2021-01-08 |
| CN109378596A (en) | 2019-02-22 |
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