CN105742824A - Low-profile lens antenna capable of realizing wide-angle scanning - Google Patents
Low-profile lens antenna capable of realizing wide-angle scanning Download PDFInfo
- Publication number
- CN105742824A CN105742824A CN201610230773.8A CN201610230773A CN105742824A CN 105742824 A CN105742824 A CN 105742824A CN 201610230773 A CN201610230773 A CN 201610230773A CN 105742824 A CN105742824 A CN 105742824A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0086—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices having materials with a synthesized negative refractive index, e.g. metamaterials or left-handed materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
-
- 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
- H01Q19/06—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 refracting or diffracting devices, e.g. lens
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- Aerials With Secondary Devices (AREA)
Abstract
The invention relates to a low-profile lens antenna capable of realizing wide-angle scanning. The lens antenna comprises a lens and a feed source positioned on the focal plane of the lens; beam scanning and tracking can be realized by mechanical control on the feed source; the lens has an electromagnetic wave focusing function, and the appearance of the lens can be flat-plate-shaped or curved-surface-shaped, and conformal design with a carrier platform can be realized; the effective dielectric constant distribution characteristic of the lens is that the effective dielectric constants are decreased from the center to the edges along the horizontal and longitudinal directions; the regulation and control on the effective dielectric constants can be realized by changing the structure or dimensions of the metamaterial units; and the assembling and preparation of the lens at a low cost is realized by multiple metamaterial panels in a stacked manner. The low-profile lens antenna has the characteristics of broadband, high gain, low profile, easy conformal property and the like, and is particularly suitable for high-gain conformal vehicle-mounted or missile-borne platforms in the fields of communication measurement and control, and the like.
Description
Technical field
The present invention relates to a kind of can the low section lens antenna of large-angle scanning, there is bandwidth, gain is high, section is low, the easy feature such as conformal, is particularly well-suited in the fields such as communication observing and controlling the airborne or missile-borne platform requiring high-gain conformal.
Background technology
Can realize high-gain in communication measurement and control area, the antenna of beam scanning mainly has several as follows, but they all exist some defect in performance.
1, paraboloidal-reflector antenna has high-gain feature, utilizes servo control mechanism to realize beam scanning, but its complete machine section is higher, it is impossible to realize conformal design.
2, phased array antenna section is relatively low, the assemblies such as phase shifting device are utilized to realize high-gain transmission and beam scanning, and its radiating curtain can conformal design, but a large amount of phase shifters and complicated control circuit cause that cost is high, heat radiation difficulty is big, for heavy caliber phased array antenna, this problem is particularly acute.
3, ordinary lens antenna (such as dragon amber lens, uniform dielectric lens), adopt servo control mechanism to control feed and can realize high gain signal transmission and beam scanning, but the forming media technology difficulty of dragon amber lens is big and intensity difference, the shortcoming that dragon amber lens and uniform dielectric lens all have section height, weight is big, difficulty is conformal, is especially not used to airborne or missile-borne platform.
Summary of the invention
The purpose of the present invention is to propose to a kind of low section lens antenna irradiated by feed so that it is while there is the functions such as high gain signal transmission, beam scanning, multi-beam, possess that volume is little, lightweight and the advantage such as carrier is conformal.
The technical scheme is that structure is a kind of can the low section lens antenna of large-angle scanning, including lens and the feed being positioned on lens focal plane, lens are formed by multi-layer metamaterial panel is stacking, and this metamaterial panel is printed board, and every layer of printed board has metamaterial microstructure；Every layer of printed board is divided into the multiple concentric circular regions with lens centre for the center of circle, the metamaterial microstructure in each region equivalently-sized, from central circular to the size increments of marginal area metamaterial microstructure.
Wherein, lens-shape is flat board or curved surface.
Wherein, the thickness of lens is the 1/8-1/2 of actinal surface diameter.
Wherein, metamaterial microstructure adopts circular media hole or decussation metal patch or endless metal paster.
The novel low section lens antenna of the present invention has the advantage that
1, the novel low section lens antenna of the present invention has easily conformal advantage.Lens profile of the present invention is low, adopts plane or curved profile, it may be achieved design conformal with carrier platform, overcome existing reflector antenna can not the shortcoming of conformal design, compared with ordinary lens antenna, it may have the advantage that section is low, lightweight, easily conformal.
2, have can the advantage of flexible design for the novel low section lens antenna of the present invention.Namely obtaining corresponding effective dielectric constant by the structure or size adjusting Meta Materials micro unit, compared with current material technology, the method design flexibility is higher, even can obtain the dielectric constant that current material technology cannot obtain.The motility of Meta Materials makes antenna possess more preferably electric property, for instance realize multi-beam, ULTRA-LOW SIDE LOBES etc..
3, the novel low section lens antenna of the present invention has the advantage that cost is low, power consumption is little.The metamaterial panel of the present invention adopts ripe printed circuit board technology to be processed, and makes simple, with low cost, and is easy to lens assembling；Compared with the phased array antenna needing the phase shifter, Meta Materials lens of the present invention also have the advantage that power consumption is little.
4, the novel low section lens antenna of the present invention has wide band advantage.The present invention adopts disresonance metamaterial structure to realize lens, and the type unit has wideband electromagnetic response characteristic.
Accompanying drawing explanation
The structural representation of the low section lens antenna of a kind of plane of Fig. 1 (a)；The structural representation of the low section lens antenna of (b) a kind of curved surface.
A kind of novel low section lens antenna of Fig. 2 realizes the structural representation of beam scanning, and in (a) figure, feed moves in curved surface；B in () figure, feed planar moves；Feed twist motion in (c) figure.
The profile of the novel low section lens of Fig. 3 present invention design
The region partition structure schematic diagram of the metamaterial panel of Fig. 4 present invention design.
The metamaterial modular construction schematic diagram of Fig. 5 present invention design.(a) decussation metal patch structure；(b) endless metal paster structure；(c) circular media pore structure.
The structural representation of Fig. 6 design example of the present invention, wherein lens diameter 4.2 λ, thickness 0.8 λ.
The Direction Pattern Simulation result of Fig. 7 design example normal direction wave beam of the present invention and 25 ° of wave beams of scanning.
Detailed description of the invention
The low section lens antenna of the present invention, including feed 1 with circular flat-plate lens 2 or toroidal lens 3, the phase heart of feed 1 is positioned at lens 2 or the focal point of lens 3, as shown in Figure 1.Flat-plate lens 2 and toroidal lens 3 are particularly well-suited to need conformal mobile platform.
The scanning work principle of lens antenna of the present invention is as shown in Figure 2.Adopting the mode that moves of Mechanical course feed to realize beam scanning, the move mode of feed includes that Two-dimensional Surfaces as shown in Figure 2 a moves, two dimensional surface as shown in Figure 2 b moves, feed rotation etc. as shown in Figure 2 c.For obtaining high efficiency large-angle scanning performance, feed can adopt one or more in above-mentioned move mode.
Side places multiple feeds and also can realize multi-beam outgoing under a lens, as in figure 2 it is shown, wherein wave beam 1 and wave beam 2 correspondence respectively is in the feed 1 of diverse location.
The function of lens 2 or lens 3 is that the nearly spherical electromagnetic wave signal that feed 1 is sent carries out phase compensation so that it is in plane electromagnetic wave outgoing.The present invention illustrates the specific implementation of these lens for metamaterial flat lens.The dielectric constant values of flat-plate lens center is the highest, and dielectric constant transversely with longitudinally from center to edge reduces.Flat-plate lens 2 lens are formed by multi-layer metamaterial panel is stacking, and such as Fig. 3, this metamaterial panel is printed board, and every layer of metamaterial panel uses one or more printing plates, make lens have broadband, Dual-polarized electricity magnetic response.Every layer of printed board etches the metamaterial microstructure of the weak resonance such as decussation metal patch as shown in Figure 5, endless metal paster, circular media hole；Every layer of printed board is divided into the multiple concentric circular regions with lens centre for the center of circle.Such as Fig. 4, the dielectric constant values in the 4-7 of region is identical.Metamaterial microstructure in each region equivalently-sized, from central circular to the size increments of marginal area metamaterial microstructure.
The design example adopts circular media pore structure as shown in Figure 5 c, and the unit cycle is less than 0.2 λ.In region, dielectric constant values is identical, and namely medium holes unit size is identical, by regulating and controlling the size of each region diameter of bore, obtains suitable dielectric constant distribution, it is thus achieved that monolayer metamaterial panel.
Multi-layer metamaterial panel sectional becomes flat-plate lens as shown in Figure 5, and wherein the actinal surface diameter of metamaterial flat lens 8 is 4.2 λ, and thickness is 0.8 λ, and the thickness of lens is 1st/to two/8ths of actinal surface diameter.Corrugated horn 9 is positioned at the focal point of lens, and has specific shot angle.
Fig. 7 is the normal direction wave beam far-field pattern simulation result with 25 ° of wave beams of scanning of design example of the present invention.Illustration 1 is the structural representation realizing normal direction wave beam, and normal orientation figure side lobe levels is-20.6dB, and aperture efficiency is up to about 70%.By rotating corrugated horn 10, as shown in illustration 2, the lens antenna of design example realizes beam scanning.
Claims (4)
1. one kind can the low section lens antenna of large-angle scanning, it is characterised in that including lens and the feed being positioned on lens focal plane, lens are formed by multi-layer metamaterial panel is stacking, and this metamaterial panel is printed board, and every layer of printed board has metamaterial microstructure；Every layer of printed board is divided into the multiple concentric circular regions with lens centre for the center of circle, the metamaterial microstructure in each region equivalently-sized, from central circular to the size increments of marginal area metamaterial microstructure.
2. according to claim 1 a kind of can the low section lens antenna of large-angle scanning, it is characterised in that lens-shape is flat board or curved surface.
3. according to claim 1 a kind of can the low section lens antenna of large-angle scanning, it is characterised in that the thickness of lens is 1st/to two/8ths of actinal surface diameter.
4. according to claim 1 a kind of can the low section lens antenna of large-angle scanning, it is characterised in that metamaterial microstructure adopts circular media hole or decussation metal patch or endless metal paster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610230773.8A CN105742824A (en) | 2016-04-13 | 2016-04-13 | Low-profile lens antenna capable of realizing wide-angle scanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610230773.8A CN105742824A (en) | 2016-04-13 | 2016-04-13 | Low-profile lens antenna capable of realizing wide-angle scanning |
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| CN105742824A true CN105742824A (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610230773.8A Pending CN105742824A (en) | 2016-04-13 | 2016-04-13 | Low-profile lens antenna capable of realizing wide-angle scanning |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918852A (en) * | 2017-04-11 | 2017-07-04 | 华南师范大学 | A kind of off-axis focussing plane lens of wide-angle |
| CN109066085A (en) * | 2018-08-01 | 2018-12-21 | 中国航空工业集团公司雷华电子技术研究所 | Dual-polarized single pulse tracks reflecting plane aerial feed source |
| CN109103604A (en) * | 2018-07-19 | 2018-12-28 | 电子科技大学 | A kind of high-gain based on ladder medium, large-angle scanning lens antenna |
| WO2019127498A1 (en) * | 2017-12-29 | 2019-07-04 | 华为技术有限公司 | Device |
| CN110148840A (en) * | 2019-05-05 | 2019-08-20 | 西安电子科技大学 | A kind of blending agent antenna for realizing axial orientation wave beam and radial multiple radiation |
| CN110739548A (en) * | 2019-10-14 | 2020-01-31 | 南京理工大学 | High-gain low-profile transmissive array antenna |
| CN110783692A (en) * | 2019-11-05 | 2020-02-11 | Oppo广东移动通信有限公司 | Antenna array and electronic equipment |
| CN110783697A (en) * | 2019-11-05 | 2020-02-11 | Oppo广东移动通信有限公司 | Antenna array and electronic equipment |
| CN111418114A (en) * | 2017-12-19 | 2020-07-14 | 三星电子株式会社 | Beamforming antenna module including lens |
| CN111916911A (en) * | 2019-05-10 | 2020-11-10 | 北京小米移动软件有限公司 | Terminal device |
| CN112103621A (en) * | 2019-06-17 | 2020-12-18 | Oppo广东移动通信有限公司 | Electronic device |
| CN112106255A (en) * | 2018-05-09 | 2020-12-18 | 住友电气工业株式会社 | Lens, antenna and vehicle-mounted device |
| CN112103662A (en) * | 2019-06-17 | 2020-12-18 | Oppo广东移动通信有限公司 | Lens antenna module and electronic equipment |
| CN112103669A (en) * | 2019-06-17 | 2020-12-18 | Oppo广东移动通信有限公司 | Lens antenna array and electronic equipment |
| CN112436289A (en) * | 2020-11-12 | 2021-03-02 | 佛山蓝谱达科技有限公司 | Wave beam separator |
| CN112510379A (en) * | 2020-12-08 | 2021-03-16 | 四川大学 | Water load capable of efficiently absorbing microwave energy |
| WO2021160110A1 (en) * | 2020-02-14 | 2021-08-19 | 华为技术有限公司 | Antenna apparatus |
| CN113708078A (en) * | 2021-08-30 | 2021-11-26 | 中信科移动通信技术股份有限公司 | Lens antenna and preparation method of dielectric lens |
| CN115621741A (en) * | 2022-10-28 | 2023-01-17 | 惠州硕贝德无线科技股份有限公司 | Phased array antenna, radio frequency wireless circuit and 5G mobile device |
| CN118610781A (en) * | 2024-08-08 | 2024-09-06 | 成都辰星迅联科技有限公司 | Low-profile curved surface conformal phased array antenna based on gradient refractive index lens |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4642651A (en) * | 1984-09-24 | 1987-02-10 | The United States Of America As Represented By The Secretary Of The Army | Dual lens antenna with mechanical and electrical beam scanning |
| CN102800985A (en) * | 2011-06-30 | 2012-11-28 | 深圳光启高等理工研究院 | Array metamaterial antenna |
| CN103036028A (en) * | 2011-09-29 | 2013-04-10 | 深圳光启高等理工研究院 | Horn antenna |
| CN103094701A (en) * | 2011-10-28 | 2013-05-08 | 深圳光启高等理工研究院 | Flat plate lens and lens antenna with the same |
| CN103178353A (en) * | 2013-02-22 | 2013-06-26 | 哈尔滨工业大学 | Wide band gradient index metamaterials lens adaptable to circular polarized electromagnetic waves and lens antenna with same |
| CN205609758U (en) * | 2016-04-13 | 2016-09-28 | 中国电子科技集团公司第五十四研究所 | Can extend low section lens antenna of angle sweep |
-
2016
- 2016-04-13 CN CN201610230773.8A patent/CN105742824A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4642651A (en) * | 1984-09-24 | 1987-02-10 | The United States Of America As Represented By The Secretary Of The Army | Dual lens antenna with mechanical and electrical beam scanning |
| CN102800985A (en) * | 2011-06-30 | 2012-11-28 | 深圳光启高等理工研究院 | Array metamaterial antenna |
| CN103036028A (en) * | 2011-09-29 | 2013-04-10 | 深圳光启高等理工研究院 | Horn antenna |
| CN103094701A (en) * | 2011-10-28 | 2013-05-08 | 深圳光启高等理工研究院 | Flat plate lens and lens antenna with the same |
| CN103178353A (en) * | 2013-02-22 | 2013-06-26 | 哈尔滨工业大学 | Wide band gradient index metamaterials lens adaptable to circular polarized electromagnetic waves and lens antenna with same |
| CN205609758U (en) * | 2016-04-13 | 2016-09-28 | 中国电子科技集团公司第五十四研究所 | Can extend low section lens antenna of angle sweep |
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918852B (en) * | 2017-04-11 | 2019-02-01 | 华南师范大学 | A kind of off-axis focussing plane lens of wide-angle |
| CN106918852A (en) * | 2017-04-11 | 2017-07-04 | 华南师范大学 | A kind of off-axis focussing plane lens of wide-angle |
| CN111418114B (en) * | 2017-12-19 | 2023-11-21 | 三星电子株式会社 | Beam forming antenna module comprising lens |
| US11641063B2 (en) | 2017-12-19 | 2023-05-02 | Samsung Electronics Co., Ltd. | Beamforming antenna module comprising lens |
| CN111418114A (en) * | 2017-12-19 | 2020-07-14 | 三星电子株式会社 | Beamforming antenna module including lens |
| CN111566875A (en) * | 2017-12-29 | 2020-08-21 | 华为技术有限公司 | A device |
| WO2019127498A1 (en) * | 2017-12-29 | 2019-07-04 | 华为技术有限公司 | Device |
| WO2019129298A1 (en) * | 2017-12-29 | 2019-07-04 | 华为技术有限公司 | Device |
| US11289818B2 (en) | 2017-12-29 | 2022-03-29 | Huawei Technologies Co., Ltd. | RF lens with doping medium |
| CN111566875B (en) * | 2017-12-29 | 2022-03-11 | 华为技术有限公司 | A device |
| CN112106255A (en) * | 2018-05-09 | 2020-12-18 | 住友电气工业株式会社 | Lens, antenna and vehicle-mounted device |
| CN109103604B (en) * | 2018-07-19 | 2020-12-29 | 电子科技大学 | High-gain wide-angle scanning lens antenna based on step medium |
| CN109103604A (en) * | 2018-07-19 | 2018-12-28 | 电子科技大学 | A kind of high-gain based on ladder medium, large-angle scanning lens antenna |
| CN109066085B (en) * | 2018-08-01 | 2021-02-19 | 中国航空工业集团公司雷华电子技术研究所 | Dual-polarized monopulse tracking reflector antenna feed source |
| CN109066085A (en) * | 2018-08-01 | 2018-12-21 | 中国航空工业集团公司雷华电子技术研究所 | Dual-polarized single pulse tracks reflecting plane aerial feed source |
| CN110148840B (en) * | 2019-05-05 | 2020-09-08 | 西安电子科技大学 | Mixed dielectric antenna for realizing axial directional beam and radial multi-beam radiation |
| CN110148840A (en) * | 2019-05-05 | 2019-08-20 | 西安电子科技大学 | A kind of blending agent antenna for realizing axial orientation wave beam and radial multiple radiation |
| CN111916911A (en) * | 2019-05-10 | 2020-11-10 | 北京小米移动软件有限公司 | Terminal device |
| CN111916911B (en) * | 2019-05-10 | 2022-02-08 | 北京小米移动软件有限公司 | Terminal device |
| CN112103662A (en) * | 2019-06-17 | 2020-12-18 | Oppo广东移动通信有限公司 | Lens antenna module and electronic equipment |
| CN112103669A (en) * | 2019-06-17 | 2020-12-18 | Oppo广东移动通信有限公司 | Lens antenna array and electronic equipment |
| CN112103621A (en) * | 2019-06-17 | 2020-12-18 | Oppo广东移动通信有限公司 | Electronic device |
| CN112103662B (en) * | 2019-06-17 | 2022-03-01 | Oppo广东移动通信有限公司 | Lens antenna module and electronic equipment |
| CN110739548A (en) * | 2019-10-14 | 2020-01-31 | 南京理工大学 | High-gain low-profile transmissive array antenna |
| CN110783692A (en) * | 2019-11-05 | 2020-02-11 | Oppo广东移动通信有限公司 | Antenna array and electronic equipment |
| CN110783697A (en) * | 2019-11-05 | 2020-02-11 | Oppo广东移动通信有限公司 | Antenna array and electronic equipment |
| WO2021088637A1 (en) * | 2019-11-05 | 2021-05-14 | Oppo广东移动通信有限公司 | Antenna array and electronic device |
| WO2021160110A1 (en) * | 2020-02-14 | 2021-08-19 | 华为技术有限公司 | Antenna apparatus |
| CN112436289B (en) * | 2020-11-12 | 2023-04-07 | 佛山蓝谱达科技有限公司 | Wave beam separator |
| CN112436289A (en) * | 2020-11-12 | 2021-03-02 | 佛山蓝谱达科技有限公司 | Wave beam separator |
| CN112510379A (en) * | 2020-12-08 | 2021-03-16 | 四川大学 | Water load capable of efficiently absorbing microwave energy |
| CN113708078A (en) * | 2021-08-30 | 2021-11-26 | 中信科移动通信技术股份有限公司 | Lens antenna and preparation method of dielectric lens |
| CN115621741A (en) * | 2022-10-28 | 2023-01-17 | 惠州硕贝德无线科技股份有限公司 | Phased array antenna, radio frequency wireless circuit and 5G mobile device |
| CN115621741B (en) * | 2022-10-28 | 2023-12-15 | 惠州硕贝德无线科技股份有限公司 | Phased array antenna, radio frequency wireless circuit and 5G mobile device |
| WO2024088021A1 (en) * | 2022-10-28 | 2024-05-02 | 惠州硕贝德无线科技股份有限公司 | Metamaterial-loaded phased array antenna module, radio frequency wireless circuit, and 5g mobile device |
| CN118610781A (en) * | 2024-08-08 | 2024-09-06 | 成都辰星迅联科技有限公司 | Low-profile curved surface conformal phased array antenna based on gradient refractive index lens |
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