CN105098366A - Ridge waveguide planar array antenna employing mechanical center feeding - Google Patents
Ridge waveguide planar array antenna employing mechanical center feeding Download PDFInfo
- Publication number
- CN105098366A CN105098366A CN201510569602.3A CN201510569602A CN105098366A CN 105098366 A CN105098366 A CN 105098366A CN 201510569602 A CN201510569602 A CN 201510569602A CN 105098366 A CN105098366 A CN 105098366A
- Authority
- CN
- China
- Prior art keywords
- layer
- ridge waveguide
- array antenna
- waveguide
- flat plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Waveguide Aerials (AREA)
Abstract
The invention discloses a ridge waveguide planar array antenna employing mechanical center feeding. The ridge waveguide planar array antenna comprises a grid layer, a radiation layer, a coupling layer, a feed network layer and a center feed layer, which are sequentially stacked, wherein the mechanical center of the center feed layer is provided with a feeding opening which is vertical to an antenna array and is used for inputting and outputting a signal; the feed network layer is composed of a single ridge waveguide; and ridges are arranged at the centers of narrow sides of various branches of a ridge waveguide power divider on the feed network layer. Through introducing the grid layer and the center feed layer, adopting the design of a ridge waveguide power dividing network, and successfully combining with other structure layers, the targets of improving the out-of-roundness of an antenna radiation pattern, improving the antenna standing wave bandwidth and realizing mechanical center feeding of the antenna are achieved.
Description
Technical field
The invention belongs to the technical field of satellite communication and microwave communication plate aerial, be specifically related to a kind of ridge waveguide flat plate array antenna of machine center feed.
Background technology
Compared with the conventional reflector surface antenna that tradition is conventional, waveguide flat array antenna mechanical strength is high, antenna structure is compact, can not produce corresponding unnecessary energy loss, not having feed to block radiating aperture because of there being feed to irradiate.Be applied in high-speed motion carrier, waveguide flat array antenna has the feature that volume is little, thickness is low, be convenient to make the resistance adaptability of antenna to air drag or water good with the characteristic of carrier general character simultaneously, be not easy to sustain damage, effectively reduce antenna failure probability, the useful life of extension antenna.Compared with micro-band flat plate array antenna, waveguide flat array antenna power capacity is high, loss is little.Therefore investigation, early warning and antagonism radar is widely used in, the fields such as airborne and missile antenna, Vehicular satellite reception antenna, satellite communication and microwave telecommunication system.
Existing waveguide flat array antenna radiating layer is provided with decoupling grid more, to reduce the coupled interference between adjacent radiation seam, but the mutual coupling between the asymmetry of horizontal and vertical direction structure and radiating slot can affect the deviation in roundness of antenna pattern, be not suitable for being applied to higher occasion is required to antenna pattern deviation in roundness.Existing waveguide flat array antenna bandwidth is subject to the restriction of unit number in addition, and unit number more at most bandwidth is narrower, can not meet the application that some have high-gain, wide bandwidth requirement.And existing waveguide flat array antenna feed mouth multidigit is in aerial array side, when being applied to other system, the Position Design need presenting mouth for it supports and syndeton, is not easy to the replacement of system change and other antenna.
Summary of the invention
In view of this, main purpose of the present invention is the ridge waveguide flat plate array antenna providing a kind of machine center feed.
For achieving the above object, technical scheme of the present invention is achieved in that
The embodiment of the present invention provides a kind of ridge waveguide flat plate array antenna of machine center feed, and this ridge waveguide flat plate array antenna comprises the grid layer, radiating layer, coupling layer, transmission network network layers, the apex drive layer that overlap successively; Described apex drive layer machine center is provided with the waveguide mouth for signal input and output perpendicular to front; Described transmission network network layers is made up of single ridged waveguides, and the Zhai Bian center of each branch of ridge waveguide power splitter in described transmission network network layers is provided with ridge.
In such scheme, described grid layer is provided with rectangular grid, and the decoupling grid height in the horizontal and vertical direction of described rectangular grid is equal, and the decoupling grid in horizontal and vertical direction lay respectively at the center between adjacent radiation seam.
In such scheme, described radiating layer is provided with radiating slot, resonant cavity, and to there being four radiating slots on each resonant cavity, described four radiating slots are all close to four sidewalls of resonant cavity.
In such scheme, described coupling layer is provided with coupling cavity, the corresponding resonant cavity of each coupling cavity.
In such scheme, described transmission network network layers is provided with coupling step, and each coupling step corresponds to a coupling cavity in coupling layer; Described ridge waveguide power splitter is E-T branch-waveguide power splitter, and branch-waveguide, on the wide wall of main waveguide, is provided with the coupling dividing plate for regulating waveguide power divider reflection loss simultaneously.
In such scheme, described transmission network network layers is provided with the quarter-wave ladder transducer of ridge waveguide to rectangular waveguide.
In such scheme, the waveguide flat array antenna of described machine center feed is provided with waveguide bend, described waveguide bend is provided with two symmetrical square match block.
In such scheme, described apex drive layer is provided with the feed mouth perpendicular to front, and described feed mouth is just provided with coupling step to place.
Compared with prior art, beneficial effect of the present invention:
The first, the mutual coupling between rectangular grid reduction adjacent slits is adopted.
The second, rectangular grid is adopted to improve the deviation in roundness of antenna pattern.
Three, radiating slot is close to resonant cavity sidewall, and each resonant cavity is to there being four radiating slots, and antenna radiation efficiency can be made the highest.
Four, ridge waveguide power division network is adopted, can effective extended antenna standing wave bandwidth.
Five, adopt waveguide bend and the feed mouth perpendicular to front, realize the machine center feed of flat plate array antenna.
Six, antenna adopts hierarchical design, is easy to batch machining manufacture.
Accompanying drawing explanation
Fig. 1 is the antenna schematic diagram that the embodiment of the present invention provides a kind of ridge waveguide flat plate array antenna of machine center feed;
Fig. 2 is the grid layer structural representation that the embodiment of the present invention provides a kind of ridge waveguide flat plate array antenna of machine center feed;
Fig. 3 is the radiating layer structural representation that the embodiment of the present invention provides a kind of ridge waveguide flat plate array antenna of machine center feed;
Fig. 4 is the cavity resonator structure schematic diagram that the embodiment of the present invention provides a kind of radiating layer of ridge waveguide flat plate array antenna of machine center feed;
Fig. 5 is the coupling layer structural representation that the embodiment of the present invention provides a kind of ridge waveguide flat plate array antenna of machine center feed;
Fig. 6 is the feeding network Rotating fields schematic diagram that the embodiment of the present invention provides a kind of ridge waveguide flat plate array antenna of machine center feed;
Fig. 7 is the waveguide bend schematic diagram that the embodiment of the present invention provides a kind of ridge waveguide flat plate array antenna of machine center feed;
Fig. 8 is the apex drive Rotating fields schematic diagram that the embodiment of the present invention provides a kind of ridge waveguide flat plate array antenna of machine center feed.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The embodiment of the present invention provides a kind of ridge waveguide flat plate array antenna of machine center feed, as shown in figs. 1-7, this ridge waveguide flat plate array antenna comprises the grid layer 101, radiating layer 102, coupling layer 103, transmission network network layers 104, the apex drive layer 105 that overlap successively; Described apex drive layer 105 center is provided with the waveguide mouth 106 for signal input and output; Described transmission network network layers 104 is made up of single ridged waveguides, and the Zhai Bian center of each branch of waveguide power divider 503 in described transmission network network layers 103 is provided with ridge 501, and described ridge 501 is for improving the standing wave bandwidth of power splitter;
The ridge waveguide flat plate array antenna baseplate material of described machine center feed can aluminium alloy, also can on above-mentioned aluminium alloy other metal material of coating, as copper, silver, gold, or adopt synthetic resin injection moulding and be coated with the mode processing and fabricating of conductive metal.
The present invention is by introducing the design of grid layer, apex drive layer, employing ridge waveguide power division network, and success combines with other structure sheaf, reach the object realizing improving antenna pattern deviation in roundness, improving antenna standing wave bandwidth, realize aerial mechanical apex drive.
Described grid layer 101 is made up of rectangular grid 201, and the decoupling grid height in the horizontal and vertical direction of described rectangular grid 201 is equal, and in order to reduce intercoupling between radiating slot, and the decoupling grid in horizontal and vertical direction lay respectively at the center between adjacent radiation seam; The decoupling grid width of horizontal direction and vertical direction is inconsistent, by the size of optimized width, and is reduced the chamfer radius of right angle by wire cutting technology, can improve the deviation in roundness of antenna pattern; If free for electromagnetic wave space corresponding for high frequency in Antenna Operation frequency range wavelength is set to λ min, the free wavelength of the electromagnetic wave space that low frequency is corresponding is set to λ max, then described decoupling grid width is less than or equal to 1/2nd of radiating slot spacing d, is highly more than or equal to 1/10 λ max.
Described radiating layer 102 is provided with radiating slot 301, resonant cavity 302, and to there being four radiating slots 301 on each resonant cavity 302, described four radiating slots 301 are all close to four sidewalls of resonant cavity 302, and antenna radiation efficiency can be made so the highest.Described radiating slot 301 length L is about 1/2 λ max, and width W is about 1/10 λ max.And adjacent radiation is stitched 301 horizontal spacing d1 and equaled longitudinal pitch d2, size is d.
Described coupling layer 103 is provided with coupling cavity 401, the corresponding resonant cavity 302 of each coupling cavity 401.The width of described coupling cavity 401 equals the narrow edge lengths b of feed waveguide mouth in apex drive layer 105, and length equals width edge length a.
Described transmission network network layers 104 is provided with coupling step 502, each coupling step 502 corresponds to a coupling cavity 401 in coupling layer 103, for offsetting the reactance that transmission network network layers 103 is introduced when coupling cavity 401 is changed, the conduction orientation of guide electromagnetic waves simultaneously; Be provided with waveguide power divider 503, described waveguide power divider 503 is E-T branch-waveguide power splitter simultaneously, and branch-waveguide, on the wide wall of main waveguide, is provided with the coupling dividing plate 504 for regulating waveguide power divider 503 reflection loss simultaneously.
Described transmission network network layers 104 is provided with the quarter-wave ladder transducer 505 of ridge waveguide to rectangular waveguide, reflects less smooth transition to reach ridge waveguide to rectangular waveguide.
The waveguide flat array antenna of described machine center feed is provided with waveguide bend 601, and described waveguide bend 601 is provided with two symmetrical square match block 602, for regulating the reflection loss of waveguide bend.
Described apex drive layer 105 is provided with the feed mouth 106 perpendicular to front, to realize the apex drive of array antenna; Described feed mouth 106 is just provided with coupling step 701 to place, for regulating the reflection loss at feed mouth place, and the conduction orientation of guide electromagnetic waves simultaneously.
Adopt the ridge waveguide flat plate array antenna of the machine center feed of present embodiment to be provided with grid layer, be beneficial to and reduce intercoupling between radiating slot, improve the deviation in roundness of antenna pattern; And adopt ridge waveguide power division network, be beneficial to the standing wave bandwidth of extended antenna; Feed mouth is positioned at the machine center of antenna array, is easy to application system change and the replacement of other antenna; Adopt hierarchical design simultaneously, be easy to batch machining manufacture, can be used for the field such as satellite communication and microwave telecommunication system.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (8)
1. the ridge waveguide flat plate array antenna of a machine center feed, it is characterized in that, this ridge waveguide flat plate array antenna comprises the grid layer (101), radiating layer (102), coupling layer (103), transmission network network layers (104), the apex drive layer (105) that overlap successively; Described apex drive layer (105) machine center is provided with the waveguide mouth (106) for signal input and output perpendicular to front; Described transmission network network layers (104) is made up of single ridged waveguides, and the Zhai Bian center of ridge waveguide power splitter (503) each branch on described transmission network network layers (104) is provided with ridge (501).
2. the ridge waveguide flat plate array antenna of machine center feed according to claim 1, it is characterized in that: described grid layer (101) is provided with rectangular grid (201), the decoupling grid height in the horizontal and vertical direction of described rectangular grid (201) is equal, and the decoupling grid in horizontal and vertical direction lay respectively at the center between adjacent radiation seam.
3. the ridge waveguide flat plate array antenna of machine center feed according to claim 1 and 2, it is characterized in that: described radiating layer (102) is provided with radiating slot (301), resonant cavity (302), to there being four radiating slots (301) on each resonant cavity (302), described four radiating slots (301) are all close to four sidewalls of resonant cavity (302).
4. the ridge waveguide flat plate array antenna of machine center feed according to claim 3, is characterized in that: described coupling layer (103) is provided with coupling cavity (401), the corresponding resonant cavity (302) of each coupling cavity (401).
5. the ridge waveguide flat plate array antenna of machine center feed according to claim 4, it is characterized in that: described transmission network network layers (104) is provided with coupling step (502), each coupling step (502) is corresponding to a coupling cavity (401) in coupling layer (102); Described ridge waveguide power splitter (503) is E-T branch-waveguide power splitter, and branch-waveguide, on the wide wall of main waveguide, is provided with the coupling dividing plate (504) for regulating waveguide power divider (503) reflection loss simultaneously.
6. the ridge waveguide flat plate array antenna of machine center feed according to claim 5, is characterized in that: described transmission network network layers (104) is provided with the quarter-wave ladder transducer (505) of ridge waveguide to rectangular waveguide.
7. the ridge waveguide flat plate array antenna of machine center feed according to claim 6, it is characterized in that: the waveguide flat array antenna of described machine center feed is provided with waveguide bend (601), described waveguide bend (601) is provided with two symmetrical square match block (602).
8. the ridge waveguide flat plate array antenna of machine center feed according to claim 7, it is characterized in that: described apex drive layer (105) is provided with the feed mouth (106) perpendicular to front, described feed mouth (106) is just provided with coupling step (701) to place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510569602.3A CN105098366A (en) | 2015-09-09 | 2015-09-09 | Ridge waveguide planar array antenna employing mechanical center feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510569602.3A CN105098366A (en) | 2015-09-09 | 2015-09-09 | Ridge waveguide planar array antenna employing mechanical center feeding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105098366A true CN105098366A (en) | 2015-11-25 |
Family
ID=54578300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510569602.3A Pending CN105098366A (en) | 2015-09-09 | 2015-09-09 | Ridge waveguide planar array antenna employing mechanical center feeding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105098366A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356640A (en) * | 2016-08-31 | 2017-01-25 | 电子科技大学 | Broadband dual circularly polarized planar waveguide array antenna |
| CN106450748A (en) * | 2016-11-08 | 2017-02-22 | 广东盛路通信科技股份有限公司 | Cavity coupling slot radiation unit |
| CN106887716A (en) * | 2017-01-17 | 2017-06-23 | 宁波大学 | A kind of CTS flat plate array antennas |
| CN107134658A (en) * | 2017-03-30 | 2017-09-05 | 宁波大学 | One kind miniaturization CTS flat plate array antennas |
| CN107275802A (en) * | 2016-04-05 | 2017-10-20 | 日本电产艾莱希斯株式会社 | Waveguide device and aerial array |
| CN109037928A (en) * | 2018-07-09 | 2018-12-18 | 宁波大学 | A kind of ultra wide band CTS flat plate array antenna |
| CN109216939A (en) * | 2018-07-25 | 2019-01-15 | 西安三维通信有限责任公司 | A kind of waveguide flat array antenna of inclined-plane matching step |
| CN109462042A (en) * | 2018-11-14 | 2019-03-12 | 广州合智瑞达科技有限公司 | A kind of vehicle anticollision radar array antenna and the circuit board equipped with the array antenna |
| CN113161765A (en) * | 2021-03-30 | 2021-07-23 | 宁波大学 | Light-weighted low-profile flat plate array antenna |
| WO2021168869A1 (en) * | 2020-02-24 | 2021-09-02 | 盛纬伦(深圳)通信技术有限公司 | Ridge waveguide slot array antenna |
| CN113937510A (en) * | 2021-09-29 | 2022-01-14 | 北京理工大学 | Mixed-feed Ka-band magnetoelectric dipole antenna array |
| CN115377703A (en) * | 2022-10-21 | 2022-11-22 | 盛纬伦(深圳)通信技术有限公司 | K-waveband multi-layer feed monopulse array antenna |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2809918Y (en) * | 2005-06-23 | 2006-08-23 | 北京海域天华通讯设备有限公司 | Planar array antenna for high-gain waveguide horn |
| CN101919118A (en) * | 2007-11-07 | 2010-12-15 | 宇沃德有限公司 | Slotted waveguide antenna for reception of circular polarized waves |
| CN102064380A (en) * | 2010-10-26 | 2011-05-18 | 李峰 | Waveguide flat array antenna |
| CN103050776A (en) * | 2012-12-20 | 2013-04-17 | 山东国威卫星通信有限公司 | High-gain high-efficiency flat plate antenna loaded with left-handed material |
| CN103078180A (en) * | 2012-12-20 | 2013-05-01 | 山东国威卫星通信有限公司 | High-gain high-efficiency planar antenna adopting grid radiator |
| CN103199334A (en) * | 2013-04-18 | 2013-07-10 | 山东国威卫星通信有限公司 | Circularly polarized plate aerial for square radiation unit |
| CN103236582A (en) * | 2013-04-18 | 2013-08-07 | 山东国威卫星通信有限公司 | Circular polarization panel antenna of patch-loaded special-shaped radiation unit |
| CN103414027A (en) * | 2013-07-18 | 2013-11-27 | 北京遥测技术研究所 | Wide band single pulse flat plate slot array antenna |
| CN104428950A (en) * | 2012-07-03 | 2015-03-18 | 利萨·德雷克塞迈尔有限责任公司 | Antenna system for broadband satellite communication in the GHz frequency range, comprising a feeding arrangement |
| CN204966703U (en) * | 2015-09-09 | 2016-01-13 | 西安三维通信有限责任公司 | Dull and stereotyped array antenna of ridge waveguide of machinery central feed |
-
2015
- 2015-09-09 CN CN201510569602.3A patent/CN105098366A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2809918Y (en) * | 2005-06-23 | 2006-08-23 | 北京海域天华通讯设备有限公司 | Planar array antenna for high-gain waveguide horn |
| CN101919118A (en) * | 2007-11-07 | 2010-12-15 | 宇沃德有限公司 | Slotted waveguide antenna for reception of circular polarized waves |
| CN102064380A (en) * | 2010-10-26 | 2011-05-18 | 李峰 | Waveguide flat array antenna |
| CN104428950A (en) * | 2012-07-03 | 2015-03-18 | 利萨·德雷克塞迈尔有限责任公司 | Antenna system for broadband satellite communication in the GHz frequency range, comprising a feeding arrangement |
| CN103050776A (en) * | 2012-12-20 | 2013-04-17 | 山东国威卫星通信有限公司 | High-gain high-efficiency flat plate antenna loaded with left-handed material |
| CN103078180A (en) * | 2012-12-20 | 2013-05-01 | 山东国威卫星通信有限公司 | High-gain high-efficiency planar antenna adopting grid radiator |
| CN103199334A (en) * | 2013-04-18 | 2013-07-10 | 山东国威卫星通信有限公司 | Circularly polarized plate aerial for square radiation unit |
| CN103236582A (en) * | 2013-04-18 | 2013-08-07 | 山东国威卫星通信有限公司 | Circular polarization panel antenna of patch-loaded special-shaped radiation unit |
| CN103414027A (en) * | 2013-07-18 | 2013-11-27 | 北京遥测技术研究所 | Wide band single pulse flat plate slot array antenna |
| CN204966703U (en) * | 2015-09-09 | 2016-01-13 | 西安三维通信有限责任公司 | Dull and stereotyped array antenna of ridge waveguide of machinery central feed |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107275802A (en) * | 2016-04-05 | 2017-10-20 | 日本电产艾莱希斯株式会社 | Waveguide device and aerial array |
| CN107275802B (en) * | 2016-04-05 | 2020-08-18 | 日本电产株式会社 | Antenna array |
| US10594045B2 (en) | 2016-04-05 | 2020-03-17 | Nidec Corporation | Waveguide device and antenna array |
| CN106356640A (en) * | 2016-08-31 | 2017-01-25 | 电子科技大学 | Broadband dual circularly polarized planar waveguide array antenna |
| CN106356640B (en) * | 2016-08-31 | 2019-04-05 | 电子科技大学 | A kind of broadband double-circle polarization planar waveguide array antenna |
| CN106450748A (en) * | 2016-11-08 | 2017-02-22 | 广东盛路通信科技股份有限公司 | Cavity coupling slot radiation unit |
| CN106887716A (en) * | 2017-01-17 | 2017-06-23 | 宁波大学 | A kind of CTS flat plate array antennas |
| CN107134658B (en) * | 2017-03-30 | 2019-12-13 | 宁波大学 | Miniaturized CTS flat panel array antenna |
| CN107134658A (en) * | 2017-03-30 | 2017-09-05 | 宁波大学 | One kind miniaturization CTS flat plate array antennas |
| CN109037928A (en) * | 2018-07-09 | 2018-12-18 | 宁波大学 | A kind of ultra wide band CTS flat plate array antenna |
| CN109037928B (en) * | 2018-07-09 | 2020-08-04 | 宁波大学 | Ultra-wideband CTS (clear to send) flat array antenna |
| CN109216939A (en) * | 2018-07-25 | 2019-01-15 | 西安三维通信有限责任公司 | A kind of waveguide flat array antenna of inclined-plane matching step |
| CN109462042A (en) * | 2018-11-14 | 2019-03-12 | 广州合智瑞达科技有限公司 | A kind of vehicle anticollision radar array antenna and the circuit board equipped with the array antenna |
| CN109462042B (en) * | 2018-11-14 | 2020-12-08 | 广州合智瑞达科技有限公司 | Automobile anti-collision radar array antenna and circuit board with same |
| WO2021168869A1 (en) * | 2020-02-24 | 2021-09-02 | 盛纬伦(深圳)通信技术有限公司 | Ridge waveguide slot array antenna |
| CN113161765A (en) * | 2021-03-30 | 2021-07-23 | 宁波大学 | Light-weighted low-profile flat plate array antenna |
| CN113161765B (en) * | 2021-03-30 | 2022-06-24 | 宁波大学 | Light-weighted low-profile flat plate array antenna |
| CN113937510A (en) * | 2021-09-29 | 2022-01-14 | 北京理工大学 | Mixed-feed Ka-band magnetoelectric dipole antenna array |
| CN113937510B (en) * | 2021-09-29 | 2022-11-29 | 北京理工大学 | Mixed-feed Ka-band magnetoelectric dipole antenna array |
| CN115377703A (en) * | 2022-10-21 | 2022-11-22 | 盛纬伦(深圳)通信技术有限公司 | K-waveband multi-layer feed monopulse array antenna |
| CN115377703B (en) * | 2022-10-21 | 2023-03-24 | 盛纬伦(深圳)通信技术有限公司 | K-waveband multi-layer feed monopulse array antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105098366A (en) | Ridge waveguide planar array antenna employing mechanical center feeding | |
| CN103414030B (en) | A kind of wide band low profile flat plate slot array antenna | |
| CN106887716B (en) | A kind of CTS flat plate array antenna | |
| CN108682940B (en) | Ultra-wideband high-gain common-aperture array antenna | |
| CN205595462U (en) | Loudspeaker array antenna | |
| CN113113782B (en) | Broadband metal flat plate array antenna, radar and wireless communication system | |
| KR101792964B1 (en) | Planar antenna | |
| CN203596414U (en) | Tapered slot antenna and phased array antenna thereof | |
| CN107134658A (en) | One kind miniaturization CTS flat plate array antennas | |
| WO2014090290A1 (en) | Quasi-planar array antenna | |
| CN205069859U (en) | Dull and stereotyped array antenna of waveguide of machinery central feed | |
| US20210359420A1 (en) | Low-sidelobe plate array antenna | |
| CN106207439A (en) | A kind of dual circularly polarized antenna unit and array antenna | |
| CN204966703U (en) | Dull and stereotyped array antenna of ridge waveguide of machinery central feed | |
| CN102255144B (en) | Radiating unit, radiating array and machining forming method | |
| CN104600435A (en) | Fractal media resonant antenna used as paraboloidal feed source | |
| CN110808462A (en) | Millimeter wave printed dipole antenna array radiation unit and array antenna | |
| CN106099380A (en) | Waveguide slot frequency scan antenna based on super surface | |
| CN109119767A (en) | A kind of Ka frequency range circular polarized antenna | |
| CN113471680B (en) | Broadband line source based on multilayer parallel plate waveguide | |
| CN102810767B (en) | Super material microwave antenna taking the super material of class spheroid shape as subreflector | |
| CN114243304A (en) | Two-unit all-metal Vivaldi circularly polarized antenna | |
| CN114530688A (en) | Waveguide panel array antenna based on mechanical center feed | |
| CN110085980B (en) | Low-profile broadband feed antenna for feed-forward monopulse reflector antenna | |
| CN104882680A (en) | Miniaturized multi-beam antenna array and combiner network connected therewith |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151125 |