CN105609967A - Dual-polarization plane reflective array antenna - Google Patents
Dual-polarization plane reflective array antenna Download PDFInfo
- Publication number
- CN105609967A CN105609967A CN201511007562.XA CN201511007562A CN105609967A CN 105609967 A CN105609967 A CN 105609967A CN 201511007562 A CN201511007562 A CN 201511007562A CN 105609967 A CN105609967 A CN 105609967A
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- China
- Prior art keywords
- reflective array
- dual polarization
- dual
- array antenna
- polarization plane
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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
- 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
- H01Q19/108—Combination of a dipole with a plane reflecting surface
-
- 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
Abstract
The invention provides a dual-polarization plane reflective array antenna. The antenna comprises a dual-polarization feed source used for emitting dual-polarization electromagnetic waves and a plane reflective plate used for focusing and modulating the incident dual-polarization electromagnetic waves, wherein the reflective plate comprises two or more than two reflective arrays; the reflective arrays form one or more phase-shifting units for performing phase shifting; and the plane reflective plate has convergence capability for the dual-polarization incident electromagnetic waves within a preset angle range in the normal direction of the reflective plate.
Description
Technical field
The present invention relates to antenna technical field, be specifically related to a kind of dual polarization plane reflective array antenna.
Background technology
Because modern society is to the flexible requirement of large capacity communication system, traditional parabolic reflector antenna heaviness, bulky inferior position manifest day by day. For this reason, external scholar has proposed the concept of array reflecting antenna. This array reflecting antenna has reflecting antenna and the common advantage of array antenna, its basic structure is exactly the single or multiple lift cyclic array being made up of a large amount of passive resonances or disresonance unit, then irradiate this array by a feed, by regulating on dielectric-slab each unit for the scattering phase place of incidence wave, make the equiphase surface in specific direction, thereby launch the extremely strong wave beam of directionality. In addition, for Modern Communication System, the dual polarized signals passage of simultaneously working contributes to increase message capacity at double, improves data transmission bauds.
And traditional plane reflection array antenna is because the characteristic of reflective array unit cannot meet dual polarization, wide bandwidth, the easily requirement of processing simultaneously, range of application is restricted; So need a kind of dual polarization plane reflective array antenna badly to address the above problem.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of dual polarization plane reflective array antenna is provided, this dual polarization plane reflective array antenna can address the above problem well.
For reaching above-mentioned requirements, the technical scheme that the present invention takes is: a kind of dual polarization plane reflective array antenna is provided, and this dual polarization plane reflective array antenna comprises for launching the electromagnetic bipolar feed source of dual polarization and incident Dual-polarized electricity magnetic wave being focused on to the plane-reflector of modulating;
The dual polarization incident electromagnetic wave that plane-reflector is 55-75 degree angular region for reflecting plate normal direction has aggregate capabilities.
The dual polarization incident electromagnetic wave that described plane-reflector is preset angles scope for reflecting plate normal direction has aggregate capabilities.
Preferably, bipolar feed source be connected orthogonal film coupler and be connected, and be fixed on the top of dielectric-slab by bracing frame; The back side and the metal backing of described dielectric-slab fix, and described bipolar feed source connects the multi-mode horn feed source for antenna of the orthogonal film coupler of broadband waveguide after adopting; The front of described dielectric-slab is printed with the reflective array pattern with phase shift effect, and this reflective array pattern is formed with being spaced of 0.4-0.6 λ in rectangular domain by multiple identical square shaped cells; Described reflective array pattern, by multiple rectangular cells, forms with being spaced of 0.4-0.6 λ in rectangular domain.
Preferably, reflective array pair has aggregate capabilities with the incident Dual-polarized electricity magnetic wave that described reflective array normal direction is 55-75 degree angular range.
Preferably, dielectric layer is made up of macromolecular material.
Preferably, macromolecular material is polystyrene, polypropylene, polyimides, polyethylene, polytetrafluoroethylene (PTFE) or epoxy resin.
Preferably, reflective array pattern is the structure with geometrical pattern that conductive material forms.
Preferably, in the middle of reflective array pattern, be solid cross paster, outside surrounds cross ring-type paster.
Preferably, the length of side of reflective array pattern approximates 4/10ths to 6/10ths of the corresponding electromagnetic wavelength of working frequency range centre frequency, and the live width of described cross bonding jumper and cross becket is more than or equal to 0.05mm.
The advantage that this dual polarization plane reflective array antenna has is as follows:
(1) reflector element in square region in the present invention, has good wideband dual polarized characteristic, two kinds polarization purity is high and phase-shift phase is separate, this specific character reflective array antenna that ensures to know clearly can be operated under the condition of wideband orthogonal two-wire polarization.
(2) in the present invention, adopted the combination of multimode horn and wideband orthogonal film coupler to realize wideband dual polarized feed, so not only ensured the purity of two-wire polarization but also met the stability of feed directional diagram in broad frequency range; The calculated results and measured result surface, antenna of the present invention has broadband and dual polarization characteristic simultaneously.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present application, form the application's a part, in these accompanying drawings, represent same or analogous part with identical reference number, the application's schematic description and description is used for explaining the application, does not form the improper restriction to the application. In the accompanying drawings:
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the structural representation of dielectric-slab of the present invention and reflective array pattern.
Fig. 4 is that the phase-shift phase of the pattern of reflective array shown in Fig. 3 is with the schematic diagram of cross structure length variations.
Fig. 5 is the side layout structure schematic diagram of reflective array pattern of the present invention.
Fig. 6 is the antenna pattern of the present invention's two main poles in the time of 32GHz.
Wherein: 1, plane-reflector; 101, reflective array; 1011, cross solid metal bar; 1012, outer cruciform loop; 102, dielectric-slab; 2, bipolar feed source; 201, multimode horn; 3, orthogonal film coupler; 301, cross polarization port; 4, metal backing; 501, bracing frame.
Detailed description of the invention
For making the application's object, technical scheme and advantage clearer, below in conjunction with drawings and the specific embodiments, the application is described in further detail.
In the following description, quoting of " embodiment ", " embodiment ", " example ", " example " etc. shown to embodiment or the example so described can comprise special characteristic, structure, characteristic, character, element or limit, but be not that each embodiment or example must comprise special characteristic, structure, characteristic, character, element or limit. In addition, reuse phrase " according to the application embodiment " and, although be likely to refer to identical embodiment, not must refer to identical embodiment.
For the sake of simplicity, omitted and well known to a person skilled in the art some technical characterictic in below describing.
According to the application embodiment, a kind of dual polarization plane reflective array antenna is provided, as shown in Figure 1, dual polarization plane reflectarray antenna of the present invention, comprises that feed 2, orthogonal film coupler 3, dielectric-slab 102, reflective array 101, metal backing 4 and bracing frame 5 form. The feed 2 that connects orthogonal film coupler 3 is fixed on the top 136mm of dielectric-slab 102 by bracing frame 5; Reflective array 101 is printed on the front of dielectric-slab 102, and the back side of dielectric-slab 102 and metal backing 4 are directly fixed by plastics screw; Antenna is given feed multimode horn 2 feeds by two cross polarization ports 301 of orthogonal film coupler 3, and the structure of overall feed and orthogonal film coupler is placed along bracing frame 501, becomes the angle of 25 degree with the normal direction of dielectric-slab 102.
Referring to Fig. 2, feed 2 of the present invention adopts multimode horn 201 to load the form of orthogonal film coupler 3, turns circular waveguide transition 202 and orthogonal film coupler 3 forms by multimode horn 201, rectangular waveguide, and both are connected by standard flange. Multimode horn bore is the long 6mm of being of 18mm, loudspeaker, and multimode section bore is that 11mm, multimode segment length are 8mm, standard round waveguide bore 7.12mm. Feed is by standard WR28 rectangular waveguide mouth 301 use waveguide feeds.
Referring to Fig. 3, reflective array pattern 101 of the present invention is positioned at the proof of dielectric-slab 102, utilizes conventional printed circuit board technology to make. This radiating curtain has 1600 unit, but is not limited to 1600, and these unit are cross solid metal bar 1011 in adopting, the structure of outsourcing cross becket 1012. In example shown in Fig. 3, inner cross shape solid metal bar 1011 and outer cross becket 1012 interval 0.2-0.5mm; Outer cruciform loop 1012 length variations scopes are between 2-3.8mm; Centre distance between each reflector element, along the horizontal and vertical 5mm that is. Dielectric-slab 102 adopts dielectric constant 2.2, the medium sheet material that thickness is 1.143mm, length of side 200mm. According to the distance between selected dielectric material and the each unit of thickness, feed and reflective array thereof, the spacing of each unit, can calculate each compensation of phase value in the required realization in the unit of front ad-hoc location, and draw thus the physics length of side. In this example, reflector element diffuses to opposite side by being semicircular domain near feed placement limit, and unit size is certain cycle variation.
The wideband dual polarized radiance of dual polarization plane reflective array antenna of the present invention can further illustrate by actual measurement and simulation result:
For proving that the antenna that the present invention proposes has good wideband dual polarized radiation characteristic, has carried out test and simulation calculation in following situation: the antenna the present invention being proposed directly carries out the antenna pattern test of two cross polarization modes of horizontal and vertical in Ka frequency range.
According to the application embodiment, this dual polarization plane reflective array antenna comprise for launch the electromagnetic bipolar feed source of dual polarization and to incident Dual-polarized electricity magnetic wave focus on modulation plane-reflector;
Described reflecting plate comprises two or more reflective arrays, and described reflective array forms a phase-shift unit for phase shift;
The dual polarization incident electromagnetic wave that described plane-reflector is preset angles scope for reflecting plate normal direction has aggregate capabilities.
According to the application embodiment, the bipolar feed source of this dual polarization plane reflective array antenna be connected orthogonal film coupler and be connected, and be fixed on the top of dielectric-slab by bracing frame; The back side and the metal backing of described dielectric-slab fix, and described bipolar feed source connects the multi-mode horn feed source for antenna of the orthogonal film coupler of broadband waveguide after adopting; The front of described dielectric-slab is printed with the reflective array pattern with phase shift effect, and this reflective array pattern is formed with being spaced of 0.4-0.6 λ in rectangular domain by multiple identical square shaped cells; Described reflective array pattern, by multiple rectangular cells, forms with being spaced of 0.4-0.6 λ in rectangular domain.
According to the application embodiment, the reflective array of this dual polarization plane reflective array antenna pair has aggregate capabilities with the incident Dual-polarized electricity magnetic wave that described reflective array normal direction is 55-75 degree angular range.
According to the application embodiment, the dielectric layer of this dual polarization plane reflective array antenna is made up of macromolecular material.
According to the application embodiment, the macromolecular material of this dual polarization plane reflective array antenna is polystyrene, polypropylene, polyimides, polyethylene, polytetrafluoroethylene (PTFE) or epoxy resin.
According to the application embodiment, the reflective array pattern of this dual polarization plane reflective array antenna is the structure with geometrical pattern that conductive material forms.
According to the application embodiment, in the middle of the reflective array pattern of this dual polarization plane reflective array antenna, be solid cross paster, outside surrounds cross ring-type paster.
According to the application embodiment, the length of side of the reflective array pattern of this dual polarization plane reflective array antenna approximates 4/10ths to 6/10ths of the corresponding electromagnetic wavelength of working frequency range centre frequency, and the live width of described cross bonding jumper and cross becket is more than or equal to 0.05mm.
The above embodiment only represents several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not be interpreted as limitation of the scope of the invention. It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection domain of the present invention. Therefore protection scope of the present invention should be as the criterion with described claim.
Claims (7)
1. a dual polarization plane reflective array antenna, is characterized in that: comprise for launching the electromagnetic bipolar feed source of dual polarization and incident Dual-polarized electricity magnetic wave being focused on to the plane-reflector of modulating;
Described reflecting plate comprises two or more reflective arrays, and described reflective array forms one or more phase-shift units for phase shift;
The dual polarization incident electromagnetic wave that described plane-reflector is 55-75 degree angular region for reflecting plate normal direction has aggregate capabilities.
2. dual polarization plane reflective array antenna according to claim 1, is characterized in that: described bipolar feed source be connected orthogonal film coupler and be connected, and be fixed on the top of dielectric-slab by bracing frame; The back side and the metal backing of described dielectric-slab fix, and described bipolar feed source connects the multi-mode horn feed source for antenna of the orthogonal film coupler of broadband waveguide after adopting; The front of described dielectric-slab is printed with the reflective array pattern with phase shift effect, and this reflective array pattern is formed with being spaced of 0.4-0.6 λ in rectangular domain by multiple identical square shaped cells; Described reflective array pattern, by multiple rectangular cells, forms with being spaced of 0.4-0.6 λ in rectangular domain.
3. dual polarization plane reflective array antenna according to claim 2, is characterized in that: described dielectric layer is made up of macromolecular material.
4. dual polarization plane reflective array antenna according to claim 4, is characterized in that: described macromolecular material is polystyrene, polypropylene, polyimides, polyethylene, polytetrafluoroethylene (PTFE) or epoxy resin.
5. dual polarization plane reflective array antenna according to claim 2, is characterized in that: described reflective array pattern is the structure with geometrical pattern that conductive material forms.
6. dual polarization plane reflective array antenna according to claim 2, is characterized in that: in the middle of described reflective array pattern, be solid cross paster, outside surrounds cross ring-type paster.
7. dual polarization plane reflective array antenna according to claim 2, it is characterized in that: the length of side of described reflective array pattern approximates 4/10ths to 6/10ths of the corresponding electromagnetic wavelength of working frequency range centre frequency, the live width of described cross bonding jumper and cross becket is more than or equal to 0.05mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007562.XA CN105609967A (en) | 2015-12-30 | 2015-12-30 | Dual-polarization plane reflective array antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511007562.XA CN105609967A (en) | 2015-12-30 | 2015-12-30 | Dual-polarization plane reflective array antenna |
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| CN105609967A true CN105609967A (en) | 2016-05-25 |
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| CN201511007562.XA Pending CN105609967A (en) | 2015-12-30 | 2015-12-30 | Dual-polarization plane reflective array antenna |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104287A (en) * | 2017-04-18 | 2017-08-29 | 南京航空航天大学 | Wideband single layer polarization beam splitting research of planar reflectarray antennas based on overlapping reflector element |
| CN109802242A (en) * | 2019-03-05 | 2019-05-24 | 南京理工大学 | Super surface lens |
| CN109935964A (en) * | 2017-12-15 | 2019-06-25 | 华为技术有限公司 | A kind of antenna element and aerial array |
| CN112467399A (en) * | 2020-11-18 | 2021-03-09 | 厦门大学 | Positive-feed excitation multi-frequency-point novel circularly polarized millimeter wave broadband planar reflection array antenna |
| CN113206393A (en) * | 2021-05-18 | 2021-08-03 | 宋天阳 | Reflection type multifunctional beam scanning satellite communication panel array antenna and control method |
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| US20030058189A1 (en) * | 2001-09-27 | 2003-03-27 | Crouch David D. | Reflecting surfaces having geometries independent of geometries of wavefronts reflected therefrom |
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| CN103560336A (en) * | 2013-10-16 | 2014-02-05 | 北京航天福道高技术股份有限公司 | Ku frequency band double-frequency dual-polarization micro-strip plane reflective array antenna |
| CN203787572U (en) * | 2013-08-08 | 2014-08-20 | 深圳光启创新技术有限公司 | Meta-material and planar satellite communication antenna |
| CN104466419A (en) * | 2013-09-17 | 2015-03-25 | 深圳光启创新技术有限公司 | Metamaterial and antenna |
| CN104993246A (en) * | 2015-07-28 | 2015-10-21 | 中国科学院国家空间科学中心 | Method of realizing dual frequency and dual polarization by microstrip reflection array antenna |
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Patent Citations (6)
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| US20030058189A1 (en) * | 2001-09-27 | 2003-03-27 | Crouch David D. | Reflecting surfaces having geometries independent of geometries of wavefronts reflected therefrom |
| US20090079645A1 (en) * | 2007-09-26 | 2009-03-26 | Michael John Sotelo | Low Loss, Variable Phase Reflect Array |
| CN203787572U (en) * | 2013-08-08 | 2014-08-20 | 深圳光启创新技术有限公司 | Meta-material and planar satellite communication antenna |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104287A (en) * | 2017-04-18 | 2017-08-29 | 南京航空航天大学 | Wideband single layer polarization beam splitting research of planar reflectarray antennas based on overlapping reflector element |
| CN109935964A (en) * | 2017-12-15 | 2019-06-25 | 华为技术有限公司 | A kind of antenna element and aerial array |
| CN109935964B (en) * | 2017-12-15 | 2021-04-09 | 华为技术有限公司 | Antenna unit and antenna array |
| US11322858B2 (en) | 2017-12-15 | 2022-05-03 | Huawei Technologies Co., Ltd. | Antenna unit and antenna array |
| CN109802242A (en) * | 2019-03-05 | 2019-05-24 | 南京理工大学 | Super surface lens |
| CN112467399A (en) * | 2020-11-18 | 2021-03-09 | 厦门大学 | Positive-feed excitation multi-frequency-point novel circularly polarized millimeter wave broadband planar reflection array antenna |
| CN112467399B (en) * | 2020-11-18 | 2021-12-28 | 厦门大学 | Positive-feed excitation multi-frequency-point novel circularly polarized millimeter wave broadband planar reflection array antenna |
| CN113206393A (en) * | 2021-05-18 | 2021-08-03 | 宋天阳 | Reflection type multifunctional beam scanning satellite communication panel array antenna and control method |
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Effective date of registration: 20170629 Address after: 610000, No. 25, No. 10, No. 19, 89 cooperation Road, Chengdu hi tech Zone (West District, Sichuan) Applicant after: BVR CHENGDU SCIENCE AND TECHNOLOGY CO., LTD. Address before: 611731, No. 1-4, No. 1, 2 floor, No. 8, BOSCH Road, longevity town, Pujiang County, Sichuan, Chengdu Applicant before: CHENGDU YIHAOZHI TECHNOLOGY CO., LTD. |
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Application publication date: 20160525 |