CN103531885A - Four-polarized dual-frequency nested oscillator, dual-frequency antenna and dual-frequency antenna configuration method - Google Patents
Four-polarized dual-frequency nested oscillator, dual-frequency antenna and dual-frequency antenna configuration method Download PDFInfo
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Abstract
The invention discloses a four-polarized dual-frequency nested oscillator, a dual-frequency antenna and a dual-frequency antenna configuration method. The four-polarized dual-frequency nested oscillator comprises a first antenna oscillator and a second antenna oscillator. In the first antenna oscillator, the polarization direction of a first polarized oscillator is the horizontal direction, the polarization direction of a second polarized oscillator is perpendicular to the horizontal direction, an included angle formed between the polarization direction of a third polarized oscillator and the horizontal direction is 45 degrees, and an included angle formed between the polarization direction of a fourth polarized oscillator and the horizontal direction is minus 45 degrees. In the second antenna oscillator, the polarization direction of a fifth polarized oscillator is the same with that of the third polarized oscillator, and the polarization direction of a sixth polarized oscillator is the same with that of the fourth polarized oscillator. By integrating the two antenna oscillators of different frequencies in one physical antenna oscillator, the number of independent antennas on the top surface of a base station is significantly reduced and the size of the dual-frequency antenna is reduced, which is beneficial to construction carried out by operators for an LTE system and reduction of network operation and maintenance costs.
Description
Technical field
The present invention relates to the communications field, particularly relate to the nested oscillator of a kind of four polarization double frequency, dual-band antenna and dual-band antenna collocation method.
Background technology
Mobile communications network has developed into the third generation (The Third Generation, abbreviation: 3G), 3G network is worldwide large scale deployment commercial at present.Constantly universal and popularization along with data service and mobile Internet, international communication normal structure is being formulated mobile communication Long Term Evolution (Long Time Evolution, be called for short: LTE) and the technical standard such as 4G, to meet network technology and service ability ground development.Due to multiple-input and multiple-output (Multiple Input and Multiple Output, be called for short: MIMO) technology can fully promote network service speed and link performance with separate space propagation path, so MIMO technology becomes one of core technology of most critical in LTE and following 4G technology.
For Mobile Network Operator, in order to keep the continuity of original business, and provide new Network new operations, therefore need to dispose simultaneously and build many cover mobile network systems.What adopt due to LTE system is MIMO antenna, so the antenna amount of network self will be a lot, add original 2G and 3G system antenna, so the antenna amount on the terrace of base station will substantially exceed the antenna amount of present site.2G and 3G network great majority are used low-frequency range resource at present, global system for mobile communications (Global System of Mobile communication for example, be called for short: GSM) use 900MHz frequency range, code division multiple access (Code Division Multiple Access, be called for short: CDMA) system is used 800MHz frequency range, and LTE and 4G following by the very large 2GHz that may use with super band, for example may use 2GHz or 2.6GHz frequency range.Because the LTE system frequency gap of the 2G system of existing 800/900MHz and following 2GHz/2.6GHz is far away, the wide frequency antenna of these frequency ranges is supported in very difficult realization simultaneously, cannot adopt wide frequency antenna technology to reduce the antenna amount of following multisystem under coexisting, so can only adopt dual-band antenna to support 2G/3G/4G system.
Dual-band antenna causes increasing of antenna amount, and the difficulty that will bring networking and property to coordinate even likely occurs because sky, site space of planes cannot increase the situation of antenna not.Therefore, how in the situation that meeting networking requirement, to reduce physical antenna quantity with regard to becoming the special problem of being concerned about of recent mobile operator, because this will have influence on deployment and the construction of following LTE network.
Summary of the invention
The technical problem to be solved in the present invention is to provide the nested oscillator of a kind of four polarization double frequency, dual-band antenna and dual-band antenna collocation method, by CDMA dual-polarized antenna vibrator and LTE MIMO tetra-poliarizing antenna oscillators being integrated into one the four nested oscillator of polarization double frequency, and can support cdma network 2 * 2 diversity receive-transmit systems and LTE system 4 * 4MIMO configuration simultaneously, therefore greatly reduced base station terrace stand-alone antenna quantity, also reduced the size of dual-band antenna simultaneously, this is conducive to operator for the construction of LTE mimo system, reduce network operation maintenance cost, and improved convenience.
According to an aspect of the present invention, provide a kind of four polarization double frequency nested oscillator, comprise first day linear oscillator and second day linear oscillator, first day linear oscillator and second day linear oscillator are in different planes;
Wherein in first day linear oscillator, first day linear oscillator comprises first to fourth polarization oscillator, the polarised direction of the first polarization oscillator is horizontal direction, the polarised direction of the second polarization oscillator is vertical with horizontal direction, the 3rd polarization polarised direction of oscillator and the angle of horizontal direction are 45 degree, the 4th polarization polarised direction of oscillator and the angle of horizontal direction are-45 degree, and the mid point of first to fourth polarization oscillator overlaps;
Wherein in second day linear oscillator, second day linear oscillator comprises the 5th and sextupole oscillator, the polarised direction of the 5th polarization oscillator is identical with the polarised direction of the 3rd polarization oscillator, the polarised direction of the polarised direction of sextupole oscillator and the 4th polarization oscillator is identical, the 5th and the mid point of sextupole oscillator overlap with first to fourth mid point that polarizes oscillator.
According to a further aspect in the invention, a kind of dual-band antenna is provided, comprise at least two the four nested oscillators of polarization double frequency that arrange in a longitudinal direction, and at least one the first day linear oscillator arranging on the longitudinal direction between the adjacent nested oscillator of four polarization double frequencies;
First day linear oscillator comprises first to fourth polarization oscillator, the polarised direction of the first polarization oscillator is horizontal direction, the polarised direction of the second polarization oscillator is vertical with horizontal direction, the 3rd polarization polarised direction of oscillator and the angle of horizontal direction are 45 degree, the 4th polarization polarised direction of oscillator and the angle of horizontal direction are-45 degree, and the mid point of first to fourth polarization oscillator overlaps;
The nested oscillator of four polarization double frequencies comprises first day linear oscillator and second day linear oscillator, first day linear oscillator and second day linear oscillator are in Different Plane, wherein second day linear oscillator comprises the 5th and sextupole oscillator, the polarised direction of the 5th polarization oscillator is identical with the polarised direction of the 3rd polarization oscillator, the polarised direction of the polarised direction of sextupole oscillator and the 4th polarization oscillator is identical, the 5th and the mid point of sextupole oscillator overlap with first to fourth mid point that polarizes oscillator.
According to a further aspect in the invention, provide a kind of dual-band antenna collocation method, comprising:
According to the spacing d between predetermined adjacent first day linear oscillator
1and the antenna gain of the first system, determine first day linear oscillator sum m, wherein spacing d that the first system antenna needs
1span be 0.7 λ
1-1 λ
1, λ
1wavelength for the first system centre frequency;
According to the spacing d between predetermined adjacent second day linear oscillator
2and the antenna gain of second system, determine second day linear oscillator sum n, wherein spacing d that second system antenna needs
2span be 0.7 λ
2-1 λ
2, λ
2wavelength for second system centre frequency;
N the nested oscillator of four polarization double frequencies is set on the longitudinal direction of antenna, and the spacing between the nested oscillator of adjacent four polarization double frequency is d
2;
M-n first day linear oscillator is longitudinally arranged between n the nested oscillator of four polarization double frequencies, and wherein the spacing between adjacent first day linear oscillator is d
1;
Wherein first day linear oscillator comprises first to fourth polarization oscillator, the polarised direction of the first polarization oscillator is horizontal direction, the polarised direction of the second polarization oscillator is vertical with horizontal direction, the 3rd polarization polarised direction of oscillator and the angle of horizontal direction are 45 degree, the 4th polarization polarised direction of oscillator and the angle of horizontal direction are-45 degree, and the mid point of first to fourth polarization oscillator overlaps;
The nested oscillator of four polarization double frequencies comprises first day linear oscillator and second day linear oscillator, first day linear oscillator and second day linear oscillator are in Different Plane, wherein second day linear oscillator comprises the 5th and sextupole oscillator, the polarised direction of the 5th polarization oscillator is identical with the polarised direction of the 3rd polarization oscillator, the polarised direction of the polarised direction of sextupole oscillator and the 4th polarization oscillator is identical, the 5th and the mid point of sextupole oscillator overlap with first to fourth mid point that polarizes oscillator.
The present invention by arranging the nested oscillator of four polarization double frequencies in a physical antenna oscillator, and wherein the nested oscillator of four polarization double frequencies comprises first day linear oscillator and second day linear oscillator, and first day linear oscillator and second day linear oscillator are in different planes.Wherein first day linear oscillator comprises first to fourth polarization oscillator, the polarised direction of the first polarization oscillator is horizontal direction, the polarised direction of the second polarization oscillator is vertical with horizontal direction, the 3rd polarization polarised direction of oscillator and the angle of horizontal direction are 45 degree, the 4th polarization polarised direction of oscillator and the angle of horizontal direction are-45 degree, and the mid point of first to fourth polarization oscillator overlaps.Wherein second day linear oscillator comprises the 5th and sextupole oscillator, the polarised direction of the 5th polarization oscillator is identical with the polarised direction of the 3rd polarization oscillator, the polarised direction of the polarised direction of sextupole oscillator and the 4th polarization oscillator is identical, the 5th and the mid point of sextupole oscillator overlap with first to fourth mid point that polarizes oscillator.By two antenna oscillators of different frequency are integrated in a physical antenna oscillator, therefore greatly reduced base station terrace stand-alone antenna quantity, also reduced the size of dual-band antenna simultaneously, this is conducive to operator for the construction of LTE mimo system, reduce network operation maintenance cost, and improved convenience.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of the present invention's four polarization nested oscillators of double frequency.
Fig. 2 is the schematic diagram of an embodiment of dual-band antenna of the present invention.
Fig. 3 is the schematic diagram of another embodiment of dual-band antenna of the present invention.
Fig. 4 is the schematic diagram of the another embodiment of dual-band antenna of the present invention.
Fig. 5 is the schematic diagram of an embodiment of dual-band antenna collocation method of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.
Fig. 1 is the schematic diagram of an embodiment of the present invention's four polarization nested oscillators of double frequency.As shown in Figure 1, the nested oscillator of four polarization double frequencies comprises first day linear oscillator and second day linear oscillator, and first day linear oscillator and second day linear oscillator are in different planes.
Wherein in first day linear oscillator, first day linear oscillator comprises first to fourth polarization oscillator, the polarised direction of the first polarization oscillator 1 is horizontal direction, the polarised direction of the second polarization oscillator 2 is vertical with horizontal direction, the 3rd polarization polarised direction of oscillator 3 and the angle of horizontal direction are 45 degree, the 4th polarization polarised direction of oscillator 4 and the angle of horizontal direction are-45 degree, and the mid point of first to fourth polarization oscillator overlaps.
Wherein in second day linear oscillator, second day linear oscillator comprises the 5th and sextupole oscillator, the polarised direction of the 5th polarization oscillator 5 is identical with the polarised direction of the 3rd polarization oscillator 3, the polarised direction of the polarised direction of sextupole oscillator 6 and the 4th polarization oscillator 4 is identical, the 5th and the mid point of sextupole oscillator overlap with first to fourth mid point that polarizes oscillator.
The nested oscillator of four polarization double frequencies providing based on the above embodiment of the present invention, by nested first day linear oscillator and second day linear oscillator in one the four nested oscillator of polarization double frequency, first day linear oscillator and second day linear oscillator are in different planes.Wherein first day linear oscillator comprises first to fourth polarization oscillator, the polarised direction of the first polarization oscillator is horizontal direction, the polarised direction of the second polarization oscillator is vertical with horizontal direction, the 3rd polarization polarised direction of oscillator and the angle of horizontal direction are 45 degree, the 4th polarization polarised direction of oscillator and the angle of horizontal direction are-45 degree, and the mid point of first to fourth polarization oscillator overlaps.Wherein second day linear oscillator comprises the 5th and sextupole oscillator, the polarised direction of the 5th polarization oscillator is identical with the polarised direction of the 3rd polarization oscillator, the polarised direction of the polarised direction of sextupole oscillator and the 4th polarization oscillator is identical, the 5th and the mid point of sextupole oscillator overlap with first to fourth mid point that polarizes oscillator.By two antenna oscillators of different frequency are integrated in a physical antenna oscillator, therefore greatly reduced base station terrace stand-alone antenna quantity, also reduced the size of dual-band antenna simultaneously, this is conducive to operator for the construction of LTE mimo system, reduce network operation maintenance cost, and improved convenience.
Preferably, first day linear oscillator is LTE MIMO antenna oscillator, and second day linear oscillator is CDMA antenna oscillator.
Fig. 2 is the schematic diagram of an embodiment of dual-band antenna of the present invention.As shown in Figure 2, dual-band antenna comprises at least two the four nested oscillators 21 of polarization double frequency that arrange in a longitudinal direction, and at least one the first day linear oscillator 22 arranging on the longitudinal direction between the adjacent nested oscillator of four polarization double frequencies.
First day linear oscillator 22 comprises first to fourth polarization oscillator, the polarised direction of the first polarization oscillator 1 is horizontal direction, the polarised direction of the second polarization oscillator 2 is vertical with horizontal direction, the 3rd polarization polarised direction of oscillator 3 and the angle of horizontal direction are 45 degree, the 4th polarization polarised direction of oscillator 4 and the angle of horizontal direction are-45 degree, and the mid point of first to fourth polarization oscillator overlaps.
The nested oscillator 21 of four polarization double frequencies comprises first day linear oscillator and second day linear oscillator, first day linear oscillator and second day linear oscillator are in Different Plane, wherein second day linear oscillator comprises the 5th and sextupole oscillator, the polarised direction of the 5th polarization oscillator 5 is identical with the polarised direction of the 3rd polarization oscillator 3, the polarised direction of the polarised direction of sextupole oscillator 6 and the 4th polarization oscillator 4 is identical, the 5th and the mid point of sextupole oscillator overlap with first to fourth mid point that polarizes oscillator.
The dual-band antenna providing based on the above embodiment of the present invention, by least two the four nested oscillators of polarization double frequency that arrange in a longitudinal direction, and at least one the first day linear oscillator arranging on the longitudinal direction between the adjacent nested oscillator of four polarization double frequencies.First day linear oscillator comprises first to fourth polarization oscillator, the polarised direction of the first polarization oscillator is horizontal direction, the polarised direction of the second polarization oscillator is vertical with horizontal direction, the 3rd polarization polarised direction of oscillator and the angle of horizontal direction are 45 degree, the 4th polarization polarised direction of oscillator and the angle of horizontal direction are-45 degree, and the mid point of first to fourth polarization oscillator overlaps.The nested oscillator of four polarization double frequencies comprises first day linear oscillator and second day linear oscillator, first day linear oscillator and second day linear oscillator are in Different Plane, wherein second day linear oscillator comprises the 5th and sextupole oscillator, the polarised direction of the 5th polarization oscillator is identical with the polarised direction of the 3rd polarization oscillator, the polarised direction of the polarised direction of sextupole oscillator and the 4th polarization oscillator is identical, the 5th and the mid point of sextupole oscillator overlap with first to fourth mid point that polarizes oscillator.By two antenna oscillators of different frequency are integrated in a physical antenna oscillator, therefore greatly reduced base station terrace stand-alone antenna quantity, also reduced the size of dual-band antenna simultaneously, this is conducive to operator for the construction of LTE mimo system, reduce network operation maintenance cost, and improved convenience.
For convenience's sake, in Fig. 2, only provide two the four nested oscillators of polarization double frequency and using as example.
Preferably, first day linear oscillator is LTE MIMO antenna oscillator, and second day linear oscillator is CDMA antenna oscillator.
Preferably, the spacing range between adjacent first day linear oscillator is 0.7 λ
1-1 λ
1, λ wherein
1wavelength for LTE system centre frequency; Spacing range between adjacent second day linear oscillator is 0.7 λ
2-1 λ
2, λ wherein
2wavelength for cdma system centre frequency.
Preferably, dual-band antenna has the first electric-regulating device and the second electric-regulating device, and wherein the first electric-regulating device is for controlling the angle of declination of first day linear oscillator, and the second electric-regulating device is for controlling the angle of declination of second day linear oscillator.
Below by concrete example, describe.For convenience of description, cdma system is frequency centered by 850MHz, and LTE system frequency is chosen respectively 2GHz and two kinds of scenes of 2.6GHz.
First analyzing the scene that LTE system frequency is 2GHz, is the requirement of 0.7 λ-1 λ according to antenna oscillator spacing range, and the spacing that can obtain CDMA antenna oscillator is 247mm-353mm, and the spacing of LTE antenna oscillator is 105mm-150mm.Antenna oscillator spacing selection range from two systems, can have kinds of schemes, is substantially between two CDMA antenna oscillators, to insert an independent LTE antenna oscillator.It is 300mm that CDMA antenna oscillator spacing is for example set, and LTE antenna oscillator spacing is 150mm, in this case, between two the four nested oscillators 21 of polarization double frequency, a first day linear oscillator 22 is set, and the schematic diagram of dual-band antenna now as shown in Figure 3.
The scene that lower surface analysis LTE system is 2.6GHz, is the requirement of 0.7 λ-1 λ according to antenna oscillator spacing range, and the spacing that can obtain CDMA antenna oscillator is 247mm-353mm, and the spacing of LTE antenna oscillator is 81mm-115mm.Antenna oscillator spacing selection range from two systems, can have kinds of schemes, is substantially between two CDMA antenna oscillators, to insert two independent LTE antenna oscillators.It is 300mm that CDMA antenna oscillator spacing is for example set, and LTE antenna oscillator spacing is 100mm, in this case, between two the four nested oscillators 21 of polarization double frequency, two first day linear oscillators 22 is set, and the schematic diagram of dual-band antenna now as shown in Figure 4.
Embodiment above only illustrates, and in actual Antenna Design, can carry out flexible design according to frequency of utilization and 0.7 λ-1 λ principle.As long as determined after the spacing between antenna oscillator, just principle arranges the number of the nested oscillator of four polarization double frequencies and first day linear oscillator according to this, and oscillator number can meet two systems for the requirement of antenna gain.
Fig. 5 is the schematic diagram of an embodiment of dual-band antenna collocation method of the present invention.As shown in Figure 5, the dual-band antenna collocation method step of this embodiment is as follows:
Wherein first day linear oscillator comprises first to fourth polarization oscillator, the polarised direction of the first polarization oscillator is horizontal direction, the polarised direction of the second polarization oscillator is vertical with horizontal direction, the 3rd polarization polarised direction of oscillator and the angle of horizontal direction are 45 degree, the 4th polarization polarised direction of oscillator and the angle of horizontal direction are-45 degree, and the mid point of first to fourth polarization oscillator overlaps.
The nested oscillator of four polarization double frequencies comprises first day linear oscillator and second day linear oscillator, first day linear oscillator and second day linear oscillator are in Different Plane, wherein second day linear oscillator comprises the 5th and sextupole oscillator, the polarised direction of the 5th polarization oscillator is identical with the polarised direction of the 3rd polarization oscillator, the polarised direction of the polarised direction of sextupole oscillator and the 4th polarization oscillator is identical, the 5th and the mid point of sextupole oscillator overlap with first to fourth mid point that polarizes oscillator.
Preferably, the first system is LTE system, and second system is cdma system.
Those skilled in the art are scrutable is, in the span allowing, select corresponding distance values, and determine the antenna oscillator sum in antenna according to this distance values and antenna gain, this is the technological means that those skilled in the art understand, and does not therefore here set off a discussion.
Pass through said method, can be by polarize in conjunction with the double frequency four nested oscillator of double frequency and four poliarizing antenna oscillators, make CDMA dual polarized antenna and 4 MIMO antennas can be integrated into a physical antenna, and can support cdma network 2 * 2 diversity receive-transmit systems and LTE system 4 * 4MIMO configuration simultaneously, therefore greatly reduced base station terrace stand-alone antenna quantity, also reduced the size of dual-band antenna simultaneously, this is conducive to operator for the construction of LTE mimo system, reduce network operation maintenance cost, and improved convenience.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment with various modifications that the present invention's design is suitable for special-purpose.
Claims (5)
1. the nested oscillator of four polarization double frequencies, is characterized in that, comprise first day linear oscillator and second day linear oscillator, first day linear oscillator and second day linear oscillator are in different planes;
Wherein in first day linear oscillator, first day linear oscillator comprises first to fourth polarization oscillator, the polarised direction of the first polarization oscillator is horizontal direction, the polarised direction of the second polarization oscillator is vertical with horizontal direction, the 3rd polarization polarised direction of oscillator and the angle of horizontal direction are 45 degree, the 4th polarization polarised direction of oscillator and the angle of horizontal direction are-45 degree, and the mid point of first to fourth polarization oscillator overlaps;
Wherein in second day linear oscillator, second day linear oscillator comprises the 5th and sextupole oscillator, the polarised direction of the 5th polarization oscillator is identical with the polarised direction of the 3rd polarization oscillator, the polarised direction of the polarised direction of sextupole oscillator and the 4th polarization oscillator is identical, the 5th and the mid point of sextupole oscillator overlap with first to fourth mid point that polarizes oscillator.
2. a dual-band antenna, is characterized in that, comprises at least two the four nested oscillators of polarization double frequency that arrange in a longitudinal direction, and at least one the first day linear oscillator arranging on the longitudinal direction between the adjacent nested oscillator of four polarization double frequencies;
First day linear oscillator comprises first to fourth polarization oscillator, the polarised direction of the first polarization oscillator is horizontal direction, the polarised direction of the second polarization oscillator is vertical with horizontal direction, the 3rd polarization polarised direction of oscillator and the angle of horizontal direction are 45 degree, the 4th polarization polarised direction of oscillator and the angle of horizontal direction are-45 degree, and the mid point of first to fourth polarization oscillator overlaps;
The nested oscillator of four polarization double frequencies comprises first day linear oscillator and second day linear oscillator, first day linear oscillator and second day linear oscillator are in Different Plane, wherein second day linear oscillator comprises the 5th and sextupole oscillator, the polarised direction of the 5th polarization oscillator is identical with the polarised direction of the 3rd polarization oscillator, the polarised direction of the polarised direction of sextupole oscillator and the 4th polarization oscillator is identical, the 5th and the mid point of sextupole oscillator overlap with first to fourth mid point that polarizes oscillator.
3. dual-band antenna according to claim 2, is characterized in that, the spacing range between adjacent first day linear oscillator is 0.7 λ
1-1 λ
1, λ wherein
1wavelength for the first system centre frequency; Spacing range between adjacent second day linear oscillator is 0.7 λ
2-1 λ
2, λ wherein
2wavelength for second system centre frequency.
4. according to the dual-band antenna described in claim 2 or 3, it is characterized in that, dual-band antenna has the first electric-regulating device and the second electric-regulating device, and wherein the first electric-regulating device is for controlling the angle of declination of first day linear oscillator, and the second electric-regulating device is for controlling the angle of declination of second day linear oscillator.
5. a dual-band antenna collocation method, is characterized in that, comprising:
According to the spacing d between predetermined adjacent first day linear oscillator
1and the antenna gain of the first system, determine first day linear oscillator sum m, wherein spacing d that the first system antenna needs
1span be 0.7 λ
1-1 λ
1, λ
1wavelength for the first system centre frequency;
According to the spacing d between predetermined adjacent second day linear oscillator
2and the antenna gain of second system, determine second day linear oscillator sum n, wherein spacing d that second system antenna needs
2span be 0.7 λ
2-1 λ
2, λ
2wavelength for second system centre frequency;
N the nested oscillator of four polarization double frequencies is set on the longitudinal direction of antenna, and the spacing between the nested oscillator of adjacent four polarization double frequency is d
2;
M-n first day linear oscillator is longitudinally arranged between n the nested oscillator of four polarization double frequencies, and wherein the spacing between adjacent first day linear oscillator is d
1;
Wherein first day linear oscillator comprises first to fourth polarization oscillator, the polarised direction of the first polarization oscillator is horizontal direction, the polarised direction of the second polarization oscillator is vertical with horizontal direction, the 3rd polarization polarised direction of oscillator and the angle of horizontal direction are 45 degree, the 4th polarization polarised direction of oscillator and the angle of horizontal direction are-45 degree, and the mid point of first to fourth polarization oscillator overlaps;
The nested oscillator of four polarization double frequencies comprises first day linear oscillator and second day linear oscillator, first day linear oscillator and second day linear oscillator are in Different Plane, wherein second day linear oscillator comprises the 5th and sextupole oscillator, the polarised direction of the 5th polarization oscillator is identical with the polarised direction of the 3rd polarization oscillator, the polarised direction of the polarised direction of sextupole oscillator and the 4th polarization oscillator is identical, the 5th and the mid point of sextupole oscillator overlap with first to fourth mid point that polarizes oscillator.
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| CN113644430A (en) * | 2021-08-10 | 2021-11-12 | 大连海事大学 | Single-feed four-polarized antenna device applied to rectifying antenna system |
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| CN113644430A (en) * | 2021-08-10 | 2021-11-12 | 大连海事大学 | Single-feed four-polarized antenna device applied to rectifying antenna system |
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| CN103531885B (en) | 2015-11-18 |
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