CN107749520A - A kind of high-gain millimeter wave circular polarised array antenna - Google Patents
A kind of high-gain millimeter wave circular polarised array antenna Download PDFInfo
- Publication number
- CN107749520A CN107749520A CN201710950522.1A CN201710950522A CN107749520A CN 107749520 A CN107749520 A CN 107749520A CN 201710950522 A CN201710950522 A CN 201710950522A CN 107749520 A CN107749520 A CN 107749520A
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- metal level
- medium substrate
- ring
- millimeter wave
- metal layer
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
-
- 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
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a kind of high-gain millimeter wave circular polarised array antenna, it is made up of radiation volume array, feeding network, feed probes.Wherein radiating volume array includes first medium substrate and is printed on the first metal layer and second metal layer of first medium substrate upper and lower side, wherein feeding network includes the 3rd medium substrate and is printed on the 3rd metal level and the 4th metal level of the 3rd medium substrate upper and lower side, radiate and second medium substrate is filled between volume array and feeding network, feed probes connect through three layers of medium substrate and with the first metal layer and the 4th metal level.The present invention is devised based on the millimeter wave circular polarized antenna that substrate integration wave-guide is feeding network and transmission line, has higher gain and axial ratio bandwidth, and the stability of antenna is improved while reducing the complexity of processing.
Description
Technical field
The invention belongs to antenna technical field, is related to a kind of millimeter wave antenna, and more particularly to one kind integrates ripple by substrate
Lead feeding network feed and the high-gain millimeter wave circular polarisation array day isolated between radiant body and feeding network by metallic plate
Line, the terminal antenna of mobile communication, Home eNodeB are can be applied to, and moved in exploring antenna.
Background technology
With the development of the fast development of Modern wireless communication technology, particularly PMC technology, low-frequency wireless
Frequency spectrum resource is petered out.To realize high-speed wideband wireless access technology, certainly will need to develop high frequency radio spectrum resources.Millimeter
Ripple (30~300GHz) is because its wavelength is short, with wide, disturb the advantages that small, can efficiently solve high-speed radio broadband wireless and connect
Enter the problems faced in technology, therefore millimeter wave turns into next generation mobile communication (5G) and the weight of the mobile communication in future
Want candidate's frequency range.In order to break through the key technology of millimetre-wave attenuator faster, the Antenna Design on millimetre-wave attenuator both at home and abroad
With testing progress also just like a raging fire.
Although the research of millimeter wave antenna has certain progress in the world, millimeter wave circular polarised array antenna is still
Seldom, structure therein is even more complicated, it is necessary to which multilayer processing, certainly will need higher technique, and add caused by complex process
Work error is also bigger, then performance is also unstable, while complicated structure is unfavorable for the integrated and production of antenna and device with technique
Industry.
The content of the invention
The invention aims to solve drawbacks described above of the prior art, there is provided a kind of high-gain millimeter wave circular polarisation
Array antenna.
The purpose of the present invention can be reached by adopting the following technical scheme that：
A kind of high-gain millimeter wave circular polarised array antenna, including four layers of metal level, three layers of medium substrate and some
Feed probes.
Three layers of medium substrate respectively are first medium substrate, second medium substrate and the 3rd medium substrate.It is described
First medium substrate upper side be printed with the first metal layer, downside is printed with second metal layer, the 3rd described medium
The upper side of substrate is printed with the 3rd metal level, downside is printed with the 4th metal level, and described second medium substrate is located at institute
Between the second metal layer stated and the 3rd described metal level.
Wherein, the side of described the first metal layer is etched with 16 radiating elements, is arranged in a manner of 4*4 arrays.Often
Individual radiating element includes primary radiation ring, parasitic radiation ring, matching annulus.
Described second metal layer is printed on the downside of first medium substrate, one lateral erosion of second metal layer 16 first
Circular hole.
Above-mentioned the first metal layer, second metal layer and first medium substrate form radiation volume array.
Wherein, the 3rd described metal level is printed on the upper side of the 3rd medium substrate, and the 3rd metal level side is etched with
16 the second circular holes；The 4th described metal level is printed on the downside of the 3rd medium substrate, and the 4th metal level side is etched with
Rectangular ring gap；Described metalized blind vias be embedded in the 3rd medium substrate in, one end connects with the 3rd metal level, the other end and
4th metal level connects.
Second medium substrate is filled between second metal layer and the 3rd metal level.
16 feed probes are interspersed between the first metal layer and the 4th metal level.One end connects with primary radiation ring, and with
Matching annulus is concentric, and the other end connects with the 4th metal level.16 feed probes are each passed through 16 first of second metal layer
Circular hole, and pass through 16 the second circular holes of the 3rd metal level.
The present invention is had the following advantages relative to prior art and effect：
1) present invention isolating due to second metal layer and the 3rd metal level, the spoke of feeding network is largely reduced
Penetrate the radiation effect to radiator unit.
2) direct feed of the invention by way of feed probes, relative to the couple feed of other modes, improves day
The stability of line.
3) present invention electromagnetic wave is introduced into feeding network from rectangular waveguide joint by coupling unit, which with compared with
Good impedance bandwidth.
4) present invention combines radiation volume array, feeding network and feeding transmission line comprehensive simulating, obtained function admirable and
Stable millimeter wave circular polarised array antenna.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the first metal layer of the aerial array of the present invention；
Fig. 3 is the schematic top plan view of the radiating element of the present invention；
Fig. 4 is the second metal layer 4 of the aerial array of the present invention；
Fig. 5 is the 3rd metal level 7 of the aerial array of the present invention；
Fig. 6 is the 4th metal level 8 of the aerial array of the present invention；
Fig. 7 is the antenna structure side view of the present invention；
Fig. 8 is the simulation result of the impedance bandwidth of the present invention；
The axle that Fig. 9 is the present invention compares simulation result；
Figure 10 is the gain simulation result of the present invention；
Figure 11 is the xoz plane patterns of the present invention；
Figure 12 is the yoz plane patterns of the present invention；
In figure, reference is：1--- primary radiation rings, 2--- parasitic radiation rings, 3--- feed probes, the metals of 4--- second
Layer, 5--- first medium substrates, the medium substrates of 6--- the 3rd, the metal levels of 7--- the 3rd, the metal levels of 8--- the 4th, 9--- metallization
Blind hole, 10--- matching annulus, the circular holes of 11--- first, the circular holes of 12--- second, 13--- rectangular apertures, 14--- second medium bases
Plate, 15--- circular troughs.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment
As shown in figure 1, the present embodiment devises a kind of new high-gain millimeter wave circular polarised array antenna, including radiation
Volume array, feeding network, feed probes 3.Wherein, feed probes are metallization VIA.
As shown in Fig. 2 radiation volume array is printed on the first metal layer side, radiation volume array includes 16 radiating elements,
Arranged in a manner of 4*4 arrays.
As shown in figure 3, each radiating element includes primary radiation ring 1, parasitic radiation ring 2, matching annulus 10.Described main spoke
It is an open annular micro-strip that ring 1, which is penetrated, with parasitic radiation ring 2, and parasitic radiation ring 2 is located in the ring of primary radiation ring 1, is same ring
Center.Matching annulus 10 connects with the one end of primary radiation ring 1.
Wherein, the shape of open annular micro-strip can be circular, oval or arbitrary polygon.
As shown in figure 4, first circular hole 11 of second metal layer 4 one lateral erosion, 16 formed objects.
As shown in figure 5, second circular hole 12 of the 3rd metal level 7 one lateral erosion, 16 formed objects.
Respectively positioned at the first metal layer, second metal layer, the matching annulus 10 in the 3rd metal level, the first circular hole 11 and the
The home position of two circular holes 12 overlaps.
As shown in fig. 6, the lateral erosion rectangular ring gap 13 of the 4th metal level 8 one.The antenna is fed by rectangular waveguide, is needed
Will be by the coupled electromagnetic wave of rectangular ring gap 13 into feeding network.
The 3rd medium substrate 6 is filled between the 3rd described metal level 7 and the 4th metal level 8.Metalized blind vias 9, and
Four matching metalized blind vias 9a, 9b, 9c, 9d are embedded in the 3rd medium substrate 6, and one end connects with the 3rd metal level 7, the other end
Connect with the 4th metal level 8.
As shown in fig. 7, first medium substrate 5 is filled between the first metal layer and second metal layer 4.Described feed probes
3 are interspersed between the first metal layer and the 4th metal level, and its one end and primary radiation ring 1 and matching annulus 10 connect, the other end with
4th metal level 8 connects.Through the first circular hole 11 when described feed probes 3 pass through second metal layer 4, through the 3rd metal level 7
When through the second circular hole 12.Described feed probes 3, matching annulus 10, the first circular hole 11 and the second circular hole 12 is in antenna plane
In there is identical relative position, and probe radius is less than the first circular hole 11 and the second circular hole 12.
Millimeter wave circular polarized antenna array of the present invention, by boundary rectangle waveguide feed, to fix rectangular waveguide, in antenna
The circular trough 15 of correspondence position groove four equal sizes of sky, passes through the screw fixed antenna and rectangular waveguide of corresponding size.
Wherein, the λ of girth 0.6 of primary radiation ringc~0.9 λc, opening angle is 40 °~70 °, and line width is 0.01 λc~0.03
λc；The λ of girth 0.4 of parasitic radiation ringc~0.7 λc, opening angle is 5 °~35 °, and it is interior any around the ring heart anglec of rotation；Its
In, metalized blind vias is 0.01 λ with matching metalized blind vias radiusc~0.03 λc, spacing is 0.03 λc~0.08 λc, wherein λcFor
Center of antenna frequency fcCorresponding wavelength in free space.
With reference to Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 mark, the design parameter of antenna is as follows in the present embodiment：Four layers of gold
Belong to layer and three layers of medium substrate length and width dimensions all same, be 47*29mm, wherein the thickness of first medium substrate 5 is 1mm, is F4B materials
Matter, dielectric constant 2.2；The thickness of second medium substrate 15 is 0.2mm, is Rogers4350B, and its dielectric constant is 3.48；3rd
The thickness of medium substrate 6 is 0.635mm, is Rogers 3010, and its dielectric constant is 10.2.In the first metal layer, primary radiation ring 1
Its internal diameter is 1.65mm, line width 0.4mm, 68 ° of opening angle, its external diameter of parasitic radiation ring 2 1.25mm, line width 0.3mm, angular aperture
12 ° of degree.The radius 0.2mm of feed probes 3, its becket radius 0.4mm contacted.Radiating element spacing P1 is 0.48mm, spacing
P2 is 0.66mm.In 3rd medium substrate 6, metalized blind vias 9 and four matching metalized blind vias 9a, 9b, 9c, 9d its radius point
Not Wei 0.2mm, 0.2mm, 0.2mm, 0.3mm, 0.2mm, the spacing P of metalized blind vias 9 is 0.6mm.In 4th metal level, straight-flanked ring
The external diameter length and width of shape gap 13 are respectively L1=7.112mm, and W1=3.56mm, internal diameter length and width are respectively L2=2.8mm, W2=
0.9mm；The external diameter long side of rectangular ring gap 13 center superposition corresponding with internal diameter long side, back gauge S=0.3mm.
As shown in figure 8, the impedance bandwidth of the millimeter wave circular polarised array antenna obtained by the present embodiment, return loss exist
29.3-30.8GHz inside reach -10dB.
As shown in figure 9, the axle ratio of the millimeter wave circular polarised array antenna obtained by the present embodiment, wherein polarization mode are dextrorotation
Circular polarisation, in 28.6-30.5GHz axles ratio within 3dB.
As shown in Figure 10, the gain of the millimeter wave circular polarised array antenna obtained by the present embodiment, in 28.5-31.5GHz frequencies
In segment limit, gain reaches 15.5dBi, and has metastable gain with frequency change.
As shown in figure 11, the xoz plane 30GHz directional diagrams of the millimeter wave circular polarised array antenna obtained by the present embodiment, this
Invention antenna xoz directions have stable directional diagram, and have less cross polarization, and radiate front and rear ratio in more than 20dB.
As shown in figure 12, the yoz plane 30GHz directional diagrams of the millimeter wave circular polarised array antenna obtained by the present embodiment, this
Invention antenna yoz directions have stable directional diagram, and have less cross polarization, and radiate front and rear ratio in more than 20dB.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (9)
1. a kind of high-gain millimeter wave circular polarised array antenna, it is characterised in that described antenna includes first set gradually
Medium substrate, second medium substrate and the 3rd medium substrate and 16 feed probes, wherein, described first medium substrate
Upper side is printed with the first metal layer, downside is printed with second metal layer, the upper side printing of the 3rd described medium substrate
There is the 3rd metal level, downside to be printed with the 4th metal level, described second medium substrate be located at described second metal layer and
Between the 3rd described metal level；
The side of described the first metal layer is etched with 16 radiating elements, is arranged in a manner of 4*4 arrays, each radiating element
Include primary radiation ring, parasitic radiation ring, matching annulus；
The side of described second metal layer is etched with 16 the first circular holes, wherein, the first metal layer, second metal layer and
One medium substrate forms radiation volume array；
The side of the 3rd described metal level is etched with 16 the second circular holes, and the 4th described metal level side is etched with straight-flanked ring
Shape gap, wherein, the 3rd metal level, the 4th metal level and the 3rd medium substrate form feeding network, as one point 16
Power splitter；
16 described feed probes are interspersed between the first metal layer and the 4th metal level, one end difference of every feed probes
Connect with corresponding primary radiation ring, and it is concentric with corresponding matching annulus, and the other end connects with the 4th metal level.
2. a kind of high-gain millimeter wave circular polarised array antenna according to claim 1, it is characterised in that respectively positioned at
The home position point of 16 matching annulus, the first circular hole and the second circular hole in one metal level, second metal layer, the 3rd metal level
It Dui Ying not overlap.
A kind of 3. high-gain millimeter wave circular polarised array antenna according to claim 2, it is characterised in that described 16
Feed probes are each passed through 16 the first circular holes of second metal layer, and pass through 16 the second circular holes of the 3rd metal level.
A kind of 4. high-gain millimeter wave circular polarised array antenna according to claim 1, it is characterised in that described main spoke
It is an open annular micro-strip that ring, which is penetrated, with described parasitic radiation ring, and described parasitic radiation ring is located at described primary radiation ring
Ring in, to connect with ring center, described matching annulus with one end of described primary radiation ring；Wherein, described split ring
Being shaped as shaped microstrip is circular, oval or arbitrary polygon.
A kind of 5. high-gain millimeter wave circular polarised array antenna according to claim 1, it is characterised in that described the 3rd
Metalized blind vias, and four matching metalized blind vias, one end of above-mentioned blind hole and the described the 3rd are embedded with medium substrate
Metal level connects, and the other end connects with the 4th described metal level.
A kind of 6. high-gain millimeter wave circular polarised array antenna according to claim 1, it is characterised in that described antenna
By boundary rectangle waveguide feed, in the circular trough of the empty four equal sizes of antenna correspondence position groove, for fixing rectangular waveguide,
And pass through the screw fixed antenna and rectangular waveguide of corresponding size.
A kind of 7. high-gain millimeter wave circular polarised array antenna according to claim 1, it is characterised in that described feed
Probe is metallization VIA.
A kind of 8. high-gain millimeter wave circular polarised array antenna according to claim 1, it is characterised in that described main spoke
Penetrate the λ of girth 0.6 of ringc~0.9 λc, opening angle is 40 °~70 °, and line width is 0.01 λc~0.03 λc；Described parasitic radiation
The λ of girth 0.4 of ringc~0.7 λc, opening angle is 5 °~35 °, wherein λ any around the ring heart anglec of rotation in itcFor the antenna
Centre frequency fcCorresponding wavelength in free space.
A kind of 9. high-gain millimeter wave circular polarised array antenna according to claim 5, it is characterised in that described metal
It is 0.01 λ to change blind hole with described matching metalized blind vias radiusc~0.03 λc, spacing is 0.03 λc~0.08 λc, wherein λcFor
Center of antenna frequency fcCorresponding wavelength in free space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710950522.1A CN107749520B (en) | 2017-10-13 | 2017-10-13 | High-gain millimeter wave circularly polarized array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710950522.1A CN107749520B (en) | 2017-10-13 | 2017-10-13 | High-gain millimeter wave circularly polarized array antenna |
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| CN107749520A true CN107749520A (en) | 2018-03-02 |
| CN107749520B CN107749520B (en) | 2023-08-22 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493593A (en) * | 2018-05-21 | 2018-09-04 | 南京信息工程大学 | A kind of polarization reconfigurable antenna array based on feeding network |
| CN108761218A (en) * | 2018-05-24 | 2018-11-06 | 广东曼克维通信科技有限公司 | Dual polarization near-field measurement probe |
| CN109066079A (en) * | 2018-08-21 | 2018-12-21 | 深圳市信维通信股份有限公司 | Millimeter wave dual polarization slot antenna system and mobile terminal suitable for 5G communication |
| CN110190408A (en) * | 2019-05-10 | 2019-08-30 | 深圳大学 | A kind of circular polarisation electromagnetic dipole array antenna |
| CN112909512A (en) * | 2021-02-08 | 2021-06-04 | 上海安费诺永亿通讯电子有限公司 | Ultra-wideband antenna and antenna array |
| CN113054444A (en) * | 2021-02-25 | 2021-06-29 | 上海卫星工程研究所 | Novel W-band miniaturized high-gain waveguide antenna array |
| CN114421151A (en) * | 2022-03-28 | 2022-04-29 | 陕西海积信息科技有限公司 | Shaped omnidirectional circularly polarized antenna |
| CN115173067A (en) * | 2022-08-16 | 2022-10-11 | 重庆邮电大学 | Broadband millimeter wave plane circular polarization split ring antenna based on SIW |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134854A (en) * | 2014-07-10 | 2014-11-05 | 华南理工大学 | Broadband circularly-polarized omnidirectional antenna based on rectangular rings |
| CN104953256A (en) * | 2015-05-25 | 2015-09-30 | 电子科技大学 | Broadband circularly-polarized panel array antenna |
-
2017
- 2017-10-13 CN CN201710950522.1A patent/CN107749520B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134854A (en) * | 2014-07-10 | 2014-11-05 | 华南理工大学 | Broadband circularly-polarized omnidirectional antenna based on rectangular rings |
| CN104953256A (en) * | 2015-05-25 | 2015-09-30 | 电子科技大学 | Broadband circularly-polarized panel array antenna |
Non-Patent Citations (1)
| Title |
|---|
| 汪江宇;唐涛;何胜;邓彪;: "Ku波段高增益圆极化宽带微带阵列天线设计", 成都信息工程大学学报, no. 01 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493593A (en) * | 2018-05-21 | 2018-09-04 | 南京信息工程大学 | A kind of polarization reconfigurable antenna array based on feeding network |
| CN108493593B (en) * | 2018-05-21 | 2023-10-13 | 南京信息工程大学 | Polarization reconfigurable antenna array based on feed network |
| CN108761218A (en) * | 2018-05-24 | 2018-11-06 | 广东曼克维通信科技有限公司 | Dual polarization near-field measurement probe |
| CN109066079A (en) * | 2018-08-21 | 2018-12-21 | 深圳市信维通信股份有限公司 | Millimeter wave dual polarization slot antenna system and mobile terminal suitable for 5G communication |
| CN109066079B (en) * | 2018-08-21 | 2023-10-13 | 深圳市信维通信股份有限公司 | Millimeter wave dual-polarized slot antenna system suitable for 5G communication and mobile terminal |
| CN110190408A (en) * | 2019-05-10 | 2019-08-30 | 深圳大学 | A kind of circular polarisation electromagnetic dipole array antenna |
| CN112909512A (en) * | 2021-02-08 | 2021-06-04 | 上海安费诺永亿通讯电子有限公司 | Ultra-wideband antenna and antenna array |
| CN113054444A (en) * | 2021-02-25 | 2021-06-29 | 上海卫星工程研究所 | Novel W-band miniaturized high-gain waveguide antenna array |
| CN114421151A (en) * | 2022-03-28 | 2022-04-29 | 陕西海积信息科技有限公司 | Shaped omnidirectional circularly polarized antenna |
| CN115173067A (en) * | 2022-08-16 | 2022-10-11 | 重庆邮电大学 | Broadband millimeter wave plane circular polarization split ring antenna based on SIW |
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| Publication number | Publication date |
|---|---|
| CN107749520B (en) | 2023-08-22 |
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