CN106684543A - Low-profile, bandwidth, circularly polarized cross-dipole antenna - Google Patents
Low-profile, bandwidth, circularly polarized cross-dipole antenna Download PDFInfo
- Publication number
- CN106684543A CN106684543A CN201611119939.5A CN201611119939A CN106684543A CN 106684543 A CN106684543 A CN 106684543A CN 201611119939 A CN201611119939 A CN 201611119939A CN 106684543 A CN106684543 A CN 106684543A
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- medium substrate
- antenna
- gain
- broadband
- dipole antenna
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- 239000000758 substrate Substances 0.000 claims abstract description 63
- 230000001788 irregular Effects 0.000 claims abstract description 6
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 11
- 230000010287 polarization Effects 0.000 description 5
- 238000010295 mobile communication Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- 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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
- H01Q19/108—Combination of a dipole with a plane reflecting surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
Landscapes
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a low-profile, bandwidth, circularly polarized cross-dipole antenna. The antenna comprises a cross-dipole radiator, two layers of dielectric substrates and an irregular reflector, wherein the cross-dipole radiator is composed of a ladder-like rectangular patch and a phase delay line respectively arranged on an upper surface and a lower surface of the upper dielectric substrate, and the phase delay line provides the phase difference at 90 DEG, thereby forming a circularly polarized radiation; the ladder-like rectangle patch can enable the antenna to produce the dual-band 3dB axial ration (AR) pass-band, and the introduction of the lower dielectric substrate can fuses two sections of AR pass-bands so as to greatly increase the AR bandwidth of the antenna; and the design of the irregular reflector enables the gain of the antenna to be well improved. The antenna disclosed by the invention creatively designs the ladder-like rectangle patch dipole, the antenna is simple in structure and free from using a complex feedback circuit, the height is only 0.13l0, 10dB impedance bandwidth achieves 66.9%, the 3dB AR bandwidth achieves 55.1%, and the average gain in the antenna pass-band is 10.4dBi.
Description
Technical field
It is more particularly to a kind of to can be applied to the low of mobile communication and cut open the present invention relates to the antenna in wireless mobile communications field
Face, broadband, high-gain, circular polarisation cross dipole antenna.
Background technology
In recent years, cross dipole antenna is because its good circular polarization characteristics is so as to receive significant attention.In order to meet
The need for modern wireless communication systems, various broadband cross dipole sub-antennas are proposed in succession.The technology for increasing bandwidth mainly has
Two kinds：One is that, using various parasitic elements, two is using plane dipole wider.The beamwidth of antenna obtained by these methods
It is wider, but their section is all higher.Profile antenna high is not suitable for coplanar, and suffered windage is also bigger.In order to reduce
The height of antenna, people use artificial magnetic conductor（AMC）As the reflecting plate of cross dipole antenna.But the now beamwidth of antenna
Often it is greatly reduced.
Therefore, how research realizes that broadband cross dipole sub-antenna has great importance under conditions of low section.
The content of the invention
The present invention overcomes the shortcomings of that prior art is present, there is provided a kind of low section that can be applied to mobile communication, broadband, height
Gain, circular polarisation cross dipole antenna.
The technical solution adopted in the present invention is as follows.
A kind of low section, broadband, high-gain, circular polarisation cross dipole antenna, it includes that first medium substrate, second are situated between
Matter substrate, the crossed dipoles etched respectively in first medium substrate upper and lower surface, positioned at first medium substrate and second medium
Nylon support column between substrate, the reflecting plate in the etching of second medium base lower surface；Two crossed dipoles are by phase
Position delay line connects two stepped rectangular patches of identical and constitutes, respectively positioned at first medium substrate upper and lower surface；It is stepped
Rectangular patch is fed by delay line phase and produces 90 ° of phase differences, so as to produce double frequency round polarized to radiate；Second medium substrate position
Have the air gap below first medium substrate and and first medium substrate between, and second medium substrate can make it is stepped
The double frequency axle that rectangular patch is produced couples together to form broader axial ratio bandwidth than passband；Reflecting plate is located under second medium substrate
Surface, can improve the high-frequency gain of antenna, so that the gain in the whole passband of antenna is improved；Antenna directly uses coaxial cable
Feed.
Further, delay line phase is broken line or camber line, its lengthlMeet 1/4lg-1/16lg<l<1/4lg+1/
10lg, wherein lgIt is the wavelength in center of antenna frequency correspondence microstrip line.
Further, stepped rectangular patch is made up of two various sizes of rectangles.
Further, four mutually isostructural stepped rectangular patches are arranged according to the direction being continuously rotated by 90 °.
Further, coupled together by nylon support column between first medium substrate and second medium substrate, in
Nylon supports column dimension（Section radius/the length of side）It is bigger than two ends, and the height of center section can be according to first medium substrate and
Chosen at interval between second medium substrate.
Further, the second medium substrate between first medium substrate and reflecting plate can be by two-layer or two-layer more than
Differing dielectric constant medium substrate replace.
Further, the reflecting plate of antenna is irregular shape.
Further, four angles of reflecting plate are stairstepping or grading profile（Such as circular arc）.
Further, the reflecting plate of antenna is obtained by removing identical ladder pattern on four angles of rectangular reflection plate
The shape for arriving.
Further, positioned at first medium upper surface of base plate stepped rectangular patch and coaxial cable inner wire phase
Even, be located at the stepped rectangular patch and reflecting plate of first medium base lower surface then with the outer conductor phase of coaxial cable
Even.
A kind of low section of the invention, broadband, high-gain, circular polarisation cross dipole antenna, described crossed dipoles
Radiant body is made up of the stepped rectangular patch and delay line phase positioned at upper and lower two surfaces of upper layer medium substrate, wherein phase
Delay line 90 ° of phase differences of offer can make antenna produce the axle ratio of double frequency so as to produce circular polarization radiation, stepped rectangular patch
Passband；And the medium substrate of lower floor can get up so that the beamwidth of antenna is significantly greatly increased double frequency axle than passband fusion, finally by
The design of irregular reflection plate then causes that gain of the antenna in passband is improved well.
Related published antenna patent of invention and utility model patent, are all provided without above-mentioned method and realize increasing bandwidth
With the effect for improving gain.Compared with prior art, the invention has the advantages that and beneficial effect：
1. the axle of double frequency is produced than passband using stepped rectangular patch, and introduced by between reflecting plate and radiating element
Medium substrate causes that double frequency 3dB axles are merged than passband, forms broadband circle polarized radiation；
2. by four corners of regular rectangular shape metallic reflection plate removing same section metal, to obtain random scatters hardened
Structure, improves the entire gain in antenna passband；
3. the characteristics of circular polarisation cross dipole antenna has low section, broadband, high-gain described in.Antenna whole height ~
The axial ratio bandwidth that 0.13l0,10dB impedance bandwidth reach 66.9%, 3dB reaches 55.1%, and individual antenna average gain is
10.4dBi。
Brief description of the drawings
Fig. 1 is the side view of circular polarisation cross dipole antenna specific embodiment of the present invention；
Fig. 2 is the top view of the radiant body of circular polarisation cross dipole antenna specific embodiment of the present invention；
Fig. 3 is the schematic diagram of the reflecting plate of circular polarisation cross dipole antenna specific embodiment of the present invention；
Fig. 4 is the S of circular polarisation cross dipole antenna specific embodiment of the present invention11The emulation of parameter and test curve figure；
Fig. 5 is emulation of the axle than parameter and the test curve figure of circular polarisation cross dipole antenna specific embodiment of the present invention；
Fig. 6 is emulation and the test curve figure of the gain parameter of circular polarisation cross dipole antenna specific embodiment of the present invention；
Fig. 7 a~Fig. 7 c be respectively circular polarisation cross dipole antenna specific embodiment of the present invention in 4.2GHz, 5.5GHz,
The normalization antenna pattern of 7.0GHz.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, ins and outs of the invention are carried out with clear, detailed explanation,
Described embodiment is only the section Example in the present invention, rather than whole embodiments.Based on embodiments of the invention,
The other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, belongs to the present invention
Protection domain.
A kind of low section of the embodiment of the present invention, broadband, high-gain, circular polarisation cross dipole antenna., including first medium
Substrate 2, second medium substrate 4, the crossed dipoles 1 etched respectively in the upper and lower surface of first medium substrate 2, positioned at first medium
Nylon support column 3 between substrate 2 and second medium substrate 4, the reflecting plate 5 in the following table facet etch of second medium substrate 4；Two
Crossed dipoles 1 is to connect two stepped rectangular patches 7 of identical by delay line phase 8 to constitute, and is situated between positioned at first respectively
The upper and lower surface of matter substrate 2；Stepped rectangular patch 7 is fed by delay line phase 8 and produces 90 ° of phase differences, so as to produce double frequency
Circular polarization radiation；Second medium substrate 4 is located at first medium substrate 2 below and between having air and first medium substrate 2 between
Gap, and second medium substrate 4 can make the double frequency axle that stepped rectangular patch 7 is produced couple together to form broader axle than passband
Compare bandwidth；Reflecting plate 5 is located at the lower surface of second medium substrate 4, can improve the high-frequency gain of antenna, so that the whole passband of antenna
Interior gain is improved；Antenna is directly fed using coaxial cable 6.It is by Buddhist nun between first medium substrate and second medium substrate
What imperial support column 3 was coupled together.Led in stepped rectangular patch 7 and the coaxial cable 6 of the upper surface of first medium substrate 2
Body phase connects, and the stepped rectangular patch 7 and reflecting plate 5 that are located at the lower surface of first medium substrate 2 are then outer with coaxial cable 6
Conductor is connected.
Refering to Fig. 1, the side view of the present embodiment, the thickness h of first medium substrate 21= 0.813mm（Pcb board can be used
RO4003）, the thickness h of second medium substrate 42=3mm（Copper coated foil plate F4T can be used）, antenna whole height ~ 7.113 mm cuts open
Face is low.Refering to Fig. 2, the top view of the radiant body of the present embodiment, radiant body uses crossed dipoles 1, and crossed dipoles 1 is by being located at
The stepped rectangular patch 7 and delay line phase 8 of the upper and lower surface of upper strata first medium substrate 2 are constituted, and wherein delay line phase 8 is
In order to provide 90 ° of phase differences so as to produce circular polarization radiation, stepped rectangular patch 7 to produce two to be separated by near axle than logical
Band.The present embodiment obtains a size for optimization:The size of big rectangle is 19mm × 13.8mm, and the size of small rectangle is 12.5mm
×7.8mm。
Refering to Fig. 3, the reflecting plate 5 of the present embodiment, its lower surface for being located at lower floor second medium substrate 4.Reflecting plate 5 is not
It is traditional regular metal reflecting plate, but an irregular shape, it is by four angles of regular rectangular shape reflecting plate
Remove identical patterns and obtain.
Further optimal enforcement ground, regulation reflection board size further improves high-frequency gain, finally makes whole antenna logical
Gain in band is greatly improved.
Reference picture 4, embodiment of the present invention emulation and test | S11| parameter is more coincide, and test result is in HFS
Somewhat there is frequency deviation, this is caused by reality processing and experimental error.10 dB impedance bandwidths of test are 66.9% knot for emulating
Fruit is 66.4%.Reference picture 5, embodiment of the present invention emulation is more same than parameter with the 3dB axles of test more to coincide, the 3dB axles of test
Result than being emulated with a width of 55.1% is 57.3%.And the axle of test is entirely located in impedance pass-band than passband, therefore
It is available bandwidth.Reference picture 6, embodiment of the present invention emulation compares identical with the gain curve of test, averagely increases in test passband
Benefit is 53.6% for 10.4dBi and 3-dB gain bandwidths.Refering to Fig. 7 a ~ Fig. 7 c, three different frequency 4.2GHz in passband,
The normalization antenna pattern of 5.5GHz, 7.0GHz.As frequency increases, because higher mode excitation causes the secondary lobe of antenna to increase
Plus, so that the wave beam of antenna narrows.But the greatest irradiation direction of antenna is maintained at the surface of radiant body, and this side up
Main polarization 15 dBi more than bigger than cross polarization.
The present invention creatively designs stepped rectangular patch dipole, and antenna structure is simple, and complicated feed is not used
Circuit, height only 0.13l0,10dB impedance bandwidths reach 66.9%, 3dB axial ratio bandwidths and reach 55.1%, average in antenna passband
Gain is 10.4dBi
The present invention provide embodiment be applied to wireless mobile communications field, can be applied to various types of wireless communication systems reception and
In transmitting equipment, good circular polarisation performance can be obtained.
Claims (10)
1. a kind of low section, broadband, high-gain, circular polarisation cross dipole antenna, it is characterised in that including first medium substrate
（2）, second medium substrate（4）, in first medium substrate（2）The crossed dipoles that upper and lower surface is etched respectively（1）, positioned at first
Medium substrate（2）With second medium substrate（4）Between nylon support column（3）, in second medium substrate（4）Following table facet etch
Reflecting plate（5）；Two crossed dipoles（1）It is by delay line phase（8）Two stepped rectangular patches of identical of connection（7）
Constitute, respectively positioned at first medium substrate（2）Upper and lower surface；Stepped rectangular patch（7）By delay line phase（8）Feed is produced
Raw 90 ° of phase differences, so as to produce double frequency round polarized to radiate；Second medium substrate（4）Positioned at first medium substrate（2）Below and
With first medium substrate（2）Between have the air gap, and second medium substrate（4）Stepped rectangular patch can be made（7）Produce
Double frequency axle couple together to form broader axial ratio bandwidth than passband；Reflecting plate（5）Positioned at second medium substrate（4）Lower surface,
The high-frequency gain of antenna can be improved, so that the gain in the whole passband of antenna is improved；Antenna directly uses coaxial cable（6）Feedback
Electricity.
2. a kind of low section according to claim 1, broadband, high-gain, circular polarisation cross dipole antenna, its feature exist
In delay line phase（8）It is broken line or camber line, its lengthlMeet 1/4lg-1/16lg<l<1/4lg+1/10lg, wherein lgIt is day
Wavelength in line centre frequency correspondence microstrip line.
3. a kind of low section according to claim 1, broadband, high-gain, circular polarisation cross dipole antenna, its feature exist
In stepped rectangular patch（7）It is to be made up of two various sizes of rectangles.
4. a kind of low section according to claim 1, broadband, high-gain, circular polarisation cross dipole antenna, its feature exist
In four mutually isostructural stepped rectangular patches（7）It is to be arranged according to the direction being continuously rotated by 90 °.
5. a kind of low section according to claim 1, broadband, high-gain, circular polarisation cross dipole antenna, its feature exist
In first medium substrate（2）With second medium substrate（4）Between be by nylon support column（3）Couple together.
6. a kind of low section according to claim 1, broadband, high-gain, circular polarisation cross dipole antenna, its feature exist
In positioned at first medium substrate（2）And reflecting plate（5）Between second medium substrate（4）Can by it is more than two-layer or two-layer not
Medium substrate with dielectric constant replaces.
7. a kind of low section according to claim 1, broadband, high-gain, circular polarisation cross dipole antenna, its feature exist
In the reflecting plate of antenna（5）It is irregular shape.
8. a kind of low section according to claim 1, broadband, high-gain, circular polarisation cross dipole antenna, its feature exist
In reflecting plate（5）Four angles be stairstepping or grading profile.
9. a kind of low section according to claim 1, broadband, high-gain, circular polarisation cross dipole antenna, its feature exist
In the reflecting plate of antenna（5）It is to remove shape obtained from identical ladder pattern by four angles of rectangular reflection plate.
10. a kind of low section according to claim 1, broadband, high-gain, circular polarisation cross dipole antenna, its feature
It is, positioned at first medium substrate（2）The stepped rectangular patch of upper surface（7）With coaxial cable（6）Inner wire be connected, and
Positioned at first medium substrate（2）The stepped rectangular patch of lower surface（7）And reflecting plate（5）Then with coaxial cable（6）It is outer
Conductor is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119939.5A CN106684543B (en) | 2016-12-08 | 2016-12-08 | Low-profile, broadband and circularly polarized cross dipole antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119939.5A CN106684543B (en) | 2016-12-08 | 2016-12-08 | Low-profile, broadband and circularly polarized cross dipole antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106684543A true CN106684543A (en) | 2017-05-17 |
| CN106684543B CN106684543B (en) | 2024-03-08 |
Family
ID=58867810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611119939.5A Active CN106684543B (en) | 2016-12-08 | 2016-12-08 | Low-profile, broadband and circularly polarized cross dipole antenna |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107275765A (en) * | 2017-05-18 | 2017-10-20 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | It is a kind of from the broadband circle polarized cross dipole antenna of phase shift |
| CN107425268A (en) * | 2017-06-09 | 2017-12-01 | 上海交通大学 | High-gain dual mode wideband circular polarized antenna |
| CN107611606A (en) * | 2017-09-01 | 2018-01-19 | 人天通信设备股份有限公司 | Antenna structure and terminal |
| CN109818139A (en) * | 2019-03-29 | 2019-05-28 | 华南理工大学 | A kind of circular polarisation crossed dipoles GPS navigation antenna |
| CN110518338A (en) * | 2019-08-20 | 2019-11-29 | 西安电子科技大学 | A kind of frequency and the restructural broad-band antenna that polarizes |
| CN111430895A (en) * | 2020-04-02 | 2020-07-17 | 哈尔滨工程大学 | Broadband wide axial ratio beam cross dipole antenna |
| CN112038755A (en) * | 2020-08-27 | 2020-12-04 | 成都天锐星通科技有限公司 | Circularly polarized phased array antenna based on tight coupling structure |
| CN112467345A (en) * | 2020-10-28 | 2021-03-09 | 南京邮电大学 | Broadband low-profile antenna based on high-impedance surface |
| GB2587229A (en) * | 2019-09-20 | 2021-03-24 | Airspan Ip Holdco Llc | A dipole antenna apparatus and method of manufacture |
| CN112952367A (en) * | 2021-01-29 | 2021-06-11 | 中国工程物理研究院应用电子学研究所 | Novel ultra-wideband circularly polarized back cavity crossed dipole antenna |
| CN113964494A (en) * | 2021-10-14 | 2022-01-21 | 西安邮电大学 | Broadband circularly polarized antenna with filtering characteristic |
| CN117254263A (en) * | 2023-02-03 | 2023-12-19 | 苏州市江海通讯发展实业有限公司 | Multi-body multi-band composite antenna with integrated conducting function |
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| JP5723999B1 (en) * | 2014-01-20 | 2015-05-27 | 日本電業工作株式会社 | Antenna device considering the surrounding environment |
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| JP5723999B1 (en) * | 2014-01-20 | 2015-05-27 | 日本電業工作株式会社 | Antenna device considering the surrounding environment |
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| WEI HE等: ""A novel wideband and circularly polarized cross-dipole antenna"", 《WIRELESS COMMUNICATIONS AND MOBILE COMPUTING》 * |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107275765A (en) * | 2017-05-18 | 2017-10-20 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | It is a kind of from the broadband circle polarized cross dipole antenna of phase shift |
| CN107425268A (en) * | 2017-06-09 | 2017-12-01 | 上海交通大学 | High-gain dual mode wideband circular polarized antenna |
| CN107611606A (en) * | 2017-09-01 | 2018-01-19 | 人天通信设备股份有限公司 | Antenna structure and terminal |
| CN107611606B (en) * | 2017-09-01 | 2023-11-17 | 人天通信设备股份有限公司 | Antenna structure and terminal |
| CN109818139A (en) * | 2019-03-29 | 2019-05-28 | 华南理工大学 | A kind of circular polarisation crossed dipoles GPS navigation antenna |
| CN109818139B (en) * | 2019-03-29 | 2023-11-10 | 华南理工大学 | Circularly polarized cross dipole GPS navigation antenna |
| CN110518338A (en) * | 2019-08-20 | 2019-11-29 | 西安电子科技大学 | A kind of frequency and the restructural broad-band antenna that polarizes |
| GB2587229A (en) * | 2019-09-20 | 2021-03-24 | Airspan Ip Holdco Llc | A dipole antenna apparatus and method of manufacture |
| US11276935B2 (en) | 2019-09-20 | 2022-03-15 | Airspan Ip Holdco Llc | Dipole antenna apparatus and method of manufacture |
| GB2587229B (en) * | 2019-09-20 | 2023-12-06 | Airspan Ip Holdco Llc | A dipole antenna apparatus and method of manufacture |
| CN111430895A (en) * | 2020-04-02 | 2020-07-17 | 哈尔滨工程大学 | Broadband wide axial ratio beam cross dipole antenna |
| CN112038755B (en) * | 2020-08-27 | 2022-08-09 | 成都天锐星通科技有限公司 | Circularly polarized phased array antenna based on tight coupling structure |
| CN112038755A (en) * | 2020-08-27 | 2020-12-04 | 成都天锐星通科技有限公司 | Circularly polarized phased array antenna based on tight coupling structure |
| CN112467345A (en) * | 2020-10-28 | 2021-03-09 | 南京邮电大学 | Broadband low-profile antenna based on high-impedance surface |
| CN112467345B (en) * | 2020-10-28 | 2024-01-23 | 南京邮电大学 | Broadband low-profile antenna based on high-impedance surface |
| CN112952367A (en) * | 2021-01-29 | 2021-06-11 | 中国工程物理研究院应用电子学研究所 | Novel ultra-wideband circularly polarized back cavity crossed dipole antenna |
| CN113964494A (en) * | 2021-10-14 | 2022-01-21 | 西安邮电大学 | Broadband circularly polarized antenna with filtering characteristic |
| CN113964494B (en) * | 2021-10-14 | 2023-10-03 | 西安邮电大学 | Broadband circularly polarized antenna with filtering characteristic |
| CN117254263A (en) * | 2023-02-03 | 2023-12-19 | 苏州市江海通讯发展实业有限公司 | Multi-body multi-band composite antenna with integrated conducting function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106684543B (en) | 2024-03-08 |
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