CN104518289A - Dual-polarized slotted waveguide antenna array - Google Patents
Dual-polarized slotted waveguide antenna array Download PDFInfo
- Publication number
- CN104518289A CN104518289A CN201410803466.5A CN201410803466A CN104518289A CN 104518289 A CN104518289 A CN 104518289A CN 201410803466 A CN201410803466 A CN 201410803466A CN 104518289 A CN104518289 A CN 104518289A
- Authority
- CN
- China
- Prior art keywords
- polarization
- battle array
- waveguide
- horizontal polarization
- horizontal
- 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
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention relates to a dual-polarized slotted waveguide antenna array which comprises a horizontally-polarized slotted waveguide antenna array and a vertically-polarized slotted waveguide antenna array. The horizontally-polarized slotted waveguide antenna array comprises a horizontally-polarized radiation waveguide and a horizontally-polarized feed waveguide which are in up-down parallel connection through a common horizontally-polarized common wall. The vertically-polarized slotted waveguide antenna array comprises a vertically-polarized radiation waveguide and a vertically-polarized feed waveguide which are in up-down parallel connection through a common vertically-polarized common wall. The horizontally-polarized feed waveguide and the vertically-polarized radiation waveguide are connected through a common lateral wall, so that the horizontally-polarized slotted waveguide antenna array is horizontally parallelly connected with the vertically-polarized slotted waveguide antenna array. The horizontal plane waveguide walls of the horizontally-polarized slotted waveguide antenna array and the vertically-polarized slotted waveguide antenna array are parallel. The dual-polarized slotted waveguide antenna array has the advantages machining is facilitated due to the integral design of the dual-polarized slotted waveguide antenna array, antenna array mounting workload is reduced, and antenna array weight is reduced by 1/7-1/5 at the same time.
Description
Technical field
The invention belongs to slotted guide antenna technical field, be specifically related to a kind of dual polarization slotted guide antenna battle array.
Background technology
Wave guide slot array antenna, as the antenna of transmitting and receiving electromagnetic signal, because its efficiency is high, be easy to processing and self structure intensity advantages of higher, is widely used in thunderous and communication field.Along with the traction of demand, also develop the dual polarization slotted guide antenna of various ways both at home and abroad.
Document (L. Jiao Sifuxun, C.G. Kroes is special, dual polarization Waveguide slot antenna, International Electrical and Electronic Engineering Association-Antennas And Propagation nd Annual Meeting collection, 1992, pp:625-628/L.Josefsson, and C.G.M.Klooster, Dual polarized slotted waveguide SAR antenna, IEEE AP-S, 1992, and (P.J. Ward pp:625-628), N. plain smooth, G. competition rules, a kind of shaped-beam dual polarized antenna being applied to DSAR synthetic aperature radar, International Electrical and Electronic Engineering Association-Antennas And Propagation nd Annual Meeting collection, 1996, pp:1717-1719/P.J.Wood, N.Sultan and G.Seguin, A dual-polarized reconfigurable-beam antenna for the DSAR synthetic aperture radar, IEEE AP-S, 1996, pp:1717-1719) in, describe the design of early stage dual polarization wave guide slot array antenna, its topology layout adopts usual manner, two kinds of poliarizing antennas independently design separately routinely, horizontal polarization slotted guide antenna is placed in above perpendicular polarization gap waveguide simply.
Afterwards, for dual polarization waveguide antenna array (the M. Si Tane that German TerrSAR-X develops, R. Wo Ninghaosi, R. grace is pricked, X-band ground observation synthetic aperture radar active phase array antenna, international phased array systems in 2003 and technical conference, the U.S., Boston, in October, 2003, pp:70-75/M.Stangle, R.Werninghaus, and R.Zahn, The TerrSAR-X Active Phased Array Antenna, IEEE International Symposium on Phased Array Systems and Technology 2003, Boston, USA, Oct., 2003, pp:70-75) a kind of new spatial layout is adopted, the waveguide linear array of two kinds of polarization is all compressed.Its method is that perpendicular polarization linear array adopts single ridged waveguides, horizontal polarization linear array adopts narrow limit contracting waveguide, and two kinds of linear arrays are arranged side by side in composition planar array, and 16 unit resonance linear arrays present mode in adopting, bandwidth is narrower, for 300MHz, relative bandwidth is 3.1%, and often kind of polarization linear array only needs individual layer waveguide just can realize, therefore structure is comparatively simple, be not considered in integration processing, its dual polarization slotted guide antenna independent design, single processing, then assembled formation dual polarization plane battle array.Nearest Europe C-band synthetic aperture radar Sentinel-1 dual polarized antenna newly developed has continued to use TerrSAR-X technology, equally due to narrower bandwidth of operation, only needs individual layer wave-guide cavity wave.
Huadong Electronic Engineering Inst. expands in bandwidth at dual polarization slotted guide antenna and has been some useful work (Wang Wei, Jin Jian, Lu Jiaguo, clock up time, be applied to the broadband of X-band synthetic aperture radar, dual polarization, low-cross polarization slotted guide antenna, international radar proceeding, in May, 2005, pp:653-656/ Wei Wang, Jian Jin, Jia-Guo Lu, and Shun-Shi Zhong, Waveguide antenna array with broadband, dual-polarization and low cross-polarization for X-Band SAR applications, 2005 IEEE International Radar Conference in Arlington, VA USA., May, 2005, pp:653-656), by the mode of classification submatrix feed, wave guide resonance Antenna Operation bandwidth is expanded, 700MHz bandwidth is reached at X-band, but these Earlier designs, research focus mainly for antenna electrical property and carry out, dual polarized antenna design is respective independent design equally, single processing, then assembled formation dual polarization face battle array.
According to above introduction, current dual polarization slotted guide antenna all adopts respective independent design, processing, is then assembled into the mode of dual polarization face battle array; This mode is in large-scale antenna battle array, and installation fixing point is many, installation workload large, the leveling of antenna array flatness complicated, and weight lays particular stress on.
Summary of the invention
In order to reduce antenna array processing and installation difficulty, alleviate the weight of antenna array, the invention provides a kind of dual polarization slotted guide antenna battle array of integrated design.
Concrete technical solution is as follows:
Dual polarization slotted guide antenna battle array comprises horizontal polarization slotted guide antenna battle array 1 and perpendicular polarization slotted guide antenna battle array 2;
Described horizontal polarization slotted guide antenna battle array 1 is connected to form side by side by horizontal polarization radiating guide 3 and horizontal polarization feed waveguide about 5, wherein horizontal polarization radiating guide 3 is positioned at top, horizontal polarization feed waveguide 5 is positioned at bottom, and the two is connected by the common public wall 7 of the horizontal polarization shared;
Described perpendicular polarization slotted guide antenna battle array 2 is connected to form side by side by perpendicular polarization radiating guide 4 and perpendicular polarization feed waveguide about 6, wherein perpendicular polarization radiating guide 4 is positioned at top, perpendicular polarization feed waveguide 6 is positioned at bottom, and the two is connected by the common public wall 10 of the perpendicular polarization shared;
Described horizontal polarization feed waveguide 5 is connected by being total to public sidewall 11 with perpendicular polarization radiating guide 4, and horizontal polarization slotted guide antenna battle array 1 and perpendicular polarization slotted guide antenna battle array 2 are connected in horizontal alignment; Wherein horizontal polarization is total to the roof 8 of public wall 7 and perpendicular polarization radiating guide 4 in a plane, and the diapire 9 of horizontal polarization feed waveguide 5 and perpendicular polarization are total to public wall 10 in a plane;
The top margin of described horizontal polarization radiating guide 3 is laid with horizontal polarization radiating slot 14, the top margin of described perpendicular polarization radiating guide 4 is laid with perpendicular polarization radiating slot 15.
Described horizontal polarization radiating guide 3 and perpendicular polarization radiating guide 4 are single ridged waveguides, and two ends are closed short-circuit end; Described horizontal polarization feed waveguide 5 is connected to form by the horizontal polarization conducting waveguide of more than; Described perpendicular polarization feed waveguide 6 is connected to form by the perpendicular polarization conducting waveguide of more than; Described horizontal polarization feed waveguide 5 and perpendicular polarization feed waveguide 6 are single ridged waveguides, and two ends are closed short-circuit end.
Described horizontal polarization feed waveguide is arranged above and below by the horizontal feed altogether secondary horizontal polarization feed waveguide that connects to form of public wall by two horizontal polarization feed waveguides 5; Described perpendicular polarization feed waveguide is arranged above and below by two perpendicular polarization feed waveguides 6 and is polarized feed waveguide by the vertical feed secondary vertical that altogether public wall connects to form.
In described horizontal polarization slotted guide antenna battle array 1, single ridge of horizontal polarization radiating guide 3 is positioned at inside top margin, and single ridge of horizontal polarization feed waveguide 5 is positioned at inside base; In described perpendicular polarization slotted guide antenna battle array 2, single ridge of perpendicular polarization radiating guide 4 and single ridge of perpendicular polarization feed waveguide 6 are all positioned at the inner side on base.
With above-mentioned dual polarization slotted guide antenna battle array for unit, plural described unit transverse connects to form large-scale antenna array side by side.
Advantageous Effects of the present invention is embodied in down with aspect:
1. the integrated design of dual polarization slotted guide antenna battle array of the present invention, improves processing technology, more convenient processing; Meanwhile, antenna array installation workload is decreased.The minimum needs of installation two mounting points of single antenna battle array of the prior art, N needs 4N mounting points to double polarized antenna, and only needs 4 mounting points after integrated design;
2. the present invention makes to share metal waveguide sidewall between adjacent horizontal polarization and perpendicular polarization two kinds of antenna arrays, and antenna weights alleviates 1/7 ~ 1/5;
3. the present invention makes the upper and lower metallic walls of wave-guide cavity wave of the horizontal polarization and perpendicular polarization two kinds of antenna arrays being positioned at same layer in same level, simplifies the structure of machined part, reduces difficulty of processing and processing cost;
4. the dual polarization slotted guide antenna battle array of integrated design processing is made up of Multicarity, and self structure intensity is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the cross-sectional figure of Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 is schematic diagram dual polarization slotted guide antenna battle array being divided into four layers of part.
Fig. 5 is horizontal polarization radiating slot is the structural representation that straight line stitches.
Fig. 6 is horizontal polarization radiating slot is the large-sized array structural representation that V word stitches.
Fig. 7 is horizontal polarization radiating slot is the large-sized array structural representation that straight line stitches.
Fig. 8 is the dual polarization slotted guide antenna battle array cross-sectional view with two stage feeding waveguide.
Fig. 9 is the large-sized array schematic diagram of the dual polarization slotted guide antenna with two stage feeding waveguide.
Horizontal polarization slotted guide antenna battle array port VSWR test result figure in Figure 10 embodiment 6.
Perpendicular polarization slotted guide antenna battle array port VSWR test result figure in Figure 11 embodiment 6.
Main polarization and the cross polarization test result figure of horizontal polarization slotted guide antenna battle array in Figure 12 embodiment 6.
Main polarization and the cross polarization test result figure of perpendicular polarization slotted guide antenna battle array in Figure 13 embodiment 6.
Sequence number in upper figure: horizontal polarization slotted guide antenna 1, perpendicular polarization slotted guide antenna battle array 2, horizontal polarization radiating guide 3, perpendicular polarization radiating guide 4, horizontal polarization feed waveguide 5, perpendicular polarization feed waveguide 6, horizontal polarization is public wall 7 altogether, roof 8, diapire 9, perpendicular polarization is public wall 10 altogether, share common sidewalls 11, second level horizontal polarization feed waveguide 12, second level perpendicular polarization feed waveguide 13, horizontal polarization radiating slot 14, perpendicular polarization radiating slot 15, perpendicular polarization feed waveguide bottom metal wall 17.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the present invention is further described.
Embodiment 1:
This enforcement is the unit 8 dual polarization slotted guide antenna battle array working in X-band, center operating frequency
f infor 9.0GHz, antenna array work upper side frequency
f high, lower side frequency
f low9.35GHz, 8.65GHz respectively.
See Fig. 1, dual polarization slotted guide antenna battle array is made up of horizontal polarization slotted guide antenna battle array 1 and perpendicular polarization slotted guide antenna battle array 2.
Horizontal polarization slotted guide antenna battle array 1 is connected to form side by side by horizontal polarization radiating guide 3 and horizontal polarization feed waveguide about 5, wherein horizontal polarization radiating guide 3 is positioned at top, horizontal polarization feed waveguide 5 is positioned at bottom, and the two is connected by the common public wall 7 of the horizontal polarization shared;
Perpendicular polarization slotted guide antenna battle array 2 is connected to form side by side by perpendicular polarization radiating guide 4 and perpendicular polarization feed waveguide about 6, wherein perpendicular polarization radiating guide 4 is positioned at top, and perpendicular polarization feed waveguide 6 is positioned at bottom and the two is connected by the common public wall 10 of the perpendicular polarization shared;
Horizontal polarization radiating guide 3, horizontal polarization feed waveguide 5, perpendicular polarization radiating guide 4 and perpendicular polarization feed waveguide 6 are single ridged waveguides, and two ends are closed short-circuit end.
See Fig. 2, horizontal polarization feed waveguide 5 is connected by being total to public sidewall 11 with perpendicular polarization radiating guide 4, and horizontal polarization slotted guide antenna battle array 1 and perpendicular polarization slotted guide antenna battle array 2 are connected in horizontal alignment; Wherein horizontal polarization is total to the roof 8 of public wall 7 and perpendicular polarization radiating guide 4 in a plane, and the diapire 9 of horizontal polarization feed waveguide 5 and perpendicular polarization are total to public wall 10 in a plane;
See Fig. 3, the uniform horizontal polarization radiating slot 14 offering 8 unit of V-shaped on the top margin of horizontal polarization radiating guide 3, adjacent level polarized radiation gap 14 is identical in waveguide axis direction spacing, is preferably 0.5
, wherein
it is centre frequency
f inguide wavelength.The uniform perpendicular polarization radiating slot 15 offering rectilinear eight unit on the top margin of perpendicular polarization radiating guide 4, neighboring vertical polarized radiation seam 15 is identical in waveguide axis direction spacing, is preferably 0.5
, wherein
it is centre frequency guide wavelength.
Basic parameters selection:
Dual polarization slotted guide antenna width W is determined, usually with formulae discovery the following according to antenna scanning angle:
Wherein:
maximum operating frequency wavelength,
be maximum scan angle, N is dual polarization slotted guide antenna quantity.Usual W selects 0.5
~ 0.8
between, the present embodiment is preferably 0.7
.
Wh is the width of horizontally-polarized antenna linear array 1, and Wv is the width of vertical polarized antenna linear array 2, and Wh+Wv=W, Wh and Wv size Selection needs setting according to design, can be the same or different, and the present embodiment is preferably: Wh=Wv=0.5W.
Hhf is the height of described horizontal polarization feed waveguide 5, and Hvr is the height of described perpendicular polarization radiating guide 4, and designing requirement is: Hhf=Hvr.
Other physical dimension design alternative of dual polarization slotted guide antenna battle array, in the industry known by professional person, repeats no more herein.
Add man-hour, dual polarization slotted guide antenna battle array is divided into four layers of part processing, sees Fig. 4, then integrally welded.
Embodiment 2
See Fig. 5, the uniform horizontal polarization radiating slot 14 offering rectilinear 8 unit on the top margin of horizontal polarization radiating guide 3, horizontal polarization radiating slot 14 is orthogonal with waveguide axis direction, and adjacent level polarized radiation gap 14 is identical in waveguide axis direction spacing, is preferably 0.5
.On the top margin of perpendicular polarization radiating guide 4, the perpendicular polarization radiating slot 15 of uniform 8 unit offered is positioned on the center line of waveguide axis direction, and neighboring vertical polarized radiation seam 15 is identical in waveguide axis direction spacing, is preferably 0.5
.
The other the same as in Example 1.
Embodiment 3
See Fig. 6, based on the dual polarization slotted guide antenna battle array of embodiment 1, on each double polarized antenna, radiating slot 14 quantity extends to 16, with this antenna array for unit, X-band be usually chosen as 4 to 40 between, preferably 16 unit transverses connect to form large-scale antenna array side by side.The uniform horizontal polarization radiating slot 14 offering V-shaped on the top margin of wherein horizontal polarization radiating guide 3.
Add man-hour, large-scale antenna array is divided into four layers, obtain large-scale dual polarization slotted guide antenna battle array by machine work and welding.
Embodiment 4
See Fig. 7, based on the dual polarization slotted guide antenna battle array of embodiment 1, on each double polarized antenna, radiating slot 14 quantity extends to 16, with this antenna array for unit, X-band be usually chosen as 4 to 40 between, preferably 16 unit transverses connect to form large-scale antenna array side by side.Uniformly on the top margin of wherein horizontal polarization radiating guide 3 offer rectilinear horizontal polarization radiating slot 14.Perpendicular polarization radiating slot 15 is positioned on the top margin central axis of perpendicular polarization radiating guide 4.
The other the same as in Example 3.
Embodiment 5
See Fig. 8, horizontal polarization feed waveguide is secondary horizontal polarization feed waveguide, namely be connected to second level horizontal polarization feed waveguide 12 by diapire 9 public altogether immediately below horizontal polarization feed waveguide 5, expand the bandwidth of operation of horizontal polarization slotted guide antenna battle array 1 with this.Perpendicular polarization feed waveguide is secondary vertical polarization feed waveguide, namely be connected to second level perpendicular polarization feed waveguide 13 by perpendicular polarization feed waveguide bottom metal wall 17 immediately below perpendicular polarization feed waveguide 6, expand the bandwidth of operation of perpendicular polarization slotted guide antenna battle array 2 with this.
Add man-hour, dual polarization slotted guide antenna battle array is divided into five layers of part processing, then integrally welded.
Embodiment 6
See Fig. 9, this enforcement is expanded formation on embodiment 5 basis, and in the waveguide sections situation of two kinds of polarization slotted guide antenna battle arrays, many dual polarization slotted guide antenna battle arrays are arranged in parallel, and adjacent metal waveguide sidewalls shares; X-band be usually chosen as 4 to 40 between, preferably 16 unit transverses connect to form large-scale antenna array side by side.
Add man-hour, large-scale antenna array is divided into five layers, obtain large-scale dual polarization slotted guide antenna battle array by machine work and welding.
Figure 10 is 16 unit horizontal polarization slotted guide antenna battle array port VSWR test results in the present embodiment antenna array, and in working band, VSWR is less than 1.7, and band is wider than 750MHz.
Figure 11 is 16 unit perpendicular polarization slotted guide antenna battle array port VSWR test results in the present embodiment antenna array, and in working band, VSWR is less than 1.6, and band is wider than 750MHz.
Figure 12 is the test result of the present embodiment horizontal polarization slotted guide antenna battle array E face master/cross polarization at high, normal, basic three Frequency points, can find out that cross polarization is lower than main polarization more than 40dB.
Figure 13 is the test result of the present embodiment perpendicular polarization slotted guide antenna battle array H face master/cross polarization at high, normal, basic three Frequency points, can find out that cross polarization is lower than main polarization more than 42dB.
Above content is in conjunction with the detailed description made for the present invention of concrete preferred implementation, can not assert that the present invention specifically implements to be only limitted to these explanations.For those skilled in the art; without departing from the inventive concept of the premise; some simple deduction or replace can also be made; as the linear array quantity in element number, multipair dual polarization slotted guide antenna in Waveguide slot antenna linear array; and the progression etc. that multistage merit divides waveguide is increased in order to broadening Antenna Operation bandwidth, all should be considered as belonging to the invention protection range that the present invention is determined by submitted to claims.
Claims (5)
1. dual polarization slotted guide antenna battle array, comprise horizontal polarization slotted guide antenna battle array (1) and perpendicular polarization slotted guide antenna battle array (2), it is characterized in that: described horizontal polarization slotted guide antenna battle array (1) is connected to form up and down side by side by horizontal polarization radiating guide (3) and horizontal polarization feed waveguide (5), wherein horizontal polarization radiating guide (3) is positioned at top, horizontal polarization feed waveguide (5) is positioned at bottom, and the two is by the horizontal polarization shared public wall (7) connection altogether;
Described perpendicular polarization slotted guide antenna battle array (2) is connected to form up and down side by side by perpendicular polarization radiating guide (4) and perpendicular polarization feed waveguide (6), wherein perpendicular polarization radiating guide (4) is positioned at top, perpendicular polarization feed waveguide (6) is positioned at bottom, and the two is by the perpendicular polarization shared public wall (10) connection altogether;
Described horizontal polarization feed waveguide (5) is connected by being total to public sidewall (11) with perpendicular polarization radiating guide (4), and horizontal polarization slotted guide antenna battle array (1) is connected in horizontal alignment with perpendicular polarization slotted guide antenna battle array (2); Wherein horizontal polarization is total to the roof (8) of public wall (7) and perpendicular polarization radiating guide (4) in a plane, and the diapire (9) of horizontal polarization feed waveguide (5) and perpendicular polarization are total to public wall (10) in a plane;
The top margin of described horizontal polarization radiating guide (3) is laid with horizontal polarization radiating slot (14), the top margin of described perpendicular polarization radiating guide (4) is laid with perpendicular polarization radiating slot (15).
2. dual polarization slotted guide antenna battle array according to claim 1, is characterized in that: described horizontal polarization radiating guide (3) and perpendicular polarization radiating guide (4) are single ridged waveguides, and two ends are closed short-circuit end; Described horizontal polarization feed waveguide (5) is connected to form by the horizontal polarization conducting waveguide of more than; Described perpendicular polarization feed waveguide (6) is connected to form by the perpendicular polarization conducting waveguide of more than; Described horizontal polarization feed waveguide (5) and perpendicular polarization feed waveguide (6) are single ridged waveguides, and two ends are closed short-circuit end.
3. dual polarization slotted guide antenna battle array according to claim 2, is characterized in that: described horizontal polarization feed waveguide is arranged above and below by the horizontal feed altogether secondary horizontal polarization feed waveguide that connects to form of public wall by two horizontal polarization feed waveguides (5); Described perpendicular polarization feed waveguide is arranged above and below by two perpendicular polarization feed waveguides (6) and is polarized feed waveguide by the vertical feed secondary vertical that altogether public wall connects to form.
4. the dual polarization slotted guide antenna battle array according to claim 1 or 2 or 3, it is characterized in that: in described horizontal polarization slotted guide antenna battle array (1), single ridge of horizontal polarization radiating guide (3) is positioned at inside top margin, and single ridge of horizontal polarization feed waveguide (5) is positioned at inside base; In described perpendicular polarization slotted guide antenna battle array (2), single ridge of perpendicular polarization radiating guide (4) and single ridge of perpendicular polarization feed waveguide (6) are all positioned at the inner side on base.
5. dual polarization slotted guide antenna battle array according to claim 1, is characterized in that: with dual polarization slotted guide antenna battle array according to claim 1 for unit, plural described unit transverse connects to form large-scale antenna array side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410803466.5A CN104518289A (en) | 2014-12-22 | 2014-12-22 | Dual-polarized slotted waveguide antenna array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410803466.5A CN104518289A (en) | 2014-12-22 | 2014-12-22 | Dual-polarized slotted waveguide antenna array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104518289A true CN104518289A (en) | 2015-04-15 |
Family
ID=52793237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410803466.5A Pending CN104518289A (en) | 2014-12-22 | 2014-12-22 | Dual-polarized slotted waveguide antenna array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104518289A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321553A (en) * | 2018-04-02 | 2018-07-24 | 珠海纳睿达科技有限公司 | Dual polarization Waveguide slot array antenna |
| CN109149126A (en) * | 2018-08-30 | 2019-01-04 | 成都赛康宇通科技有限公司 | Phased array antenna gap waveguide layer preparation process |
| CN113113752A (en) * | 2021-04-15 | 2021-07-13 | 西安伊鼎智能科技有限公司 | Multi-path waveguide coupler for calibration network |
| CN114256587A (en) * | 2021-12-20 | 2022-03-29 | 中国电子科技集团公司第十四研究所 | Method for manufacturing heterodromous multi-cavity slot waveguide through combination and splitting |
| CN115051148A (en) * | 2022-07-20 | 2022-09-13 | 四川领航未来通信技术有限公司 | Ultra-wideband orthogonal polarization dual-frequency panel antenna |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8098189B1 (en) * | 2008-09-23 | 2012-01-17 | Rockwell Collins, Inc. | Weather radar system and method using dual polarization antenna |
| CN204424458U (en) * | 2014-12-22 | 2015-06-24 | 中国电子科技集团公司第三十八研究所 | Dual polarization slotted guide antenna battle array |
-
2014
- 2014-12-22 CN CN201410803466.5A patent/CN104518289A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8098189B1 (en) * | 2008-09-23 | 2012-01-17 | Rockwell Collins, Inc. | Weather radar system and method using dual polarization antenna |
| CN204424458U (en) * | 2014-12-22 | 2015-06-24 | 中国电子科技集团公司第三十八研究所 | Dual polarization slotted guide antenna battle array |
Non-Patent Citations (2)
| Title |
|---|
| H.-T.ZHANG，W.WANG，AND Z.-H.ZHANG，X.-J.MA: "A novel dual-polarized waveguide antenna with low cross-polarization for SAR applications", 《IEEE MICROWAVE AND MILIMETER WAVE TECHNOLOGY(ICMMT)，2012 INTERNATIONAL CONFERENCE ON》 * |
| 倪华昌: "星载某雷达双极化波导缝隙天线结构设计及工艺实现", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321553A (en) * | 2018-04-02 | 2018-07-24 | 珠海纳睿达科技有限公司 | Dual polarization Waveguide slot array antenna |
| CN108321553B (en) * | 2018-04-02 | 2024-03-19 | 广东纳睿雷达科技股份有限公司 | Dual polarized waveguide split array antenna |
| CN109149126A (en) * | 2018-08-30 | 2019-01-04 | 成都赛康宇通科技有限公司 | Phased array antenna gap waveguide layer preparation process |
| CN113113752A (en) * | 2021-04-15 | 2021-07-13 | 西安伊鼎智能科技有限公司 | Multi-path waveguide coupler for calibration network |
| CN114256587A (en) * | 2021-12-20 | 2022-03-29 | 中国电子科技集团公司第十四研究所 | Method for manufacturing heterodromous multi-cavity slot waveguide through combination and splitting |
| CN115051148A (en) * | 2022-07-20 | 2022-09-13 | 四川领航未来通信技术有限公司 | Ultra-wideband orthogonal polarization dual-frequency panel antenna |
| CN115051148B (en) * | 2022-07-20 | 2023-09-22 | 四川领航未来通信技术有限公司 | Ultra-wideband orthogonal polarization dual-frequency flat antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204424458U (en) | Dual polarization slotted guide antenna battle array | |
| CN103311651B (en) | A kind of ultra wideband multi-band dual polarized antenna | |
| CN106356622B (en) | High-gain dual-frequency double-circle polarization Shared aperture planar array antenna | |
| KR20170027678A (en) | Dual-band dual-polarized antenna module arrangement | |
| CN104577347B (en) | A kind of two-band multipolarization Shared aperture Waveguide slot antenna | |
| KR101092846B1 (en) | A series slot array antenna | |
| CN109983623B (en) | Leaky-wave antenna | |
| KR20120072144A (en) | Circularly polarized antenna with wide beam width | |
| Zhou et al. | Tightly coupled array antennas for ultra-wideband wireless systems | |
| CN104518289A (en) | Dual-polarized slotted waveguide antenna array | |
| CN106207495B (en) | Dual-polarized antenna and radiating element thereof | |
| US20180145400A1 (en) | Antenna | |
| CN103066376A (en) | Broadband high-isolation dual polarization antenna and radiating unit thereof | |
| CN102570057A (en) | Dual-polarization five-wave-beam antenna for mobile communication base station | |
| CN109494460A (en) | A kind of dual polarization with high-isolation/circular polarisation broadband high density arrays antenna | |
| WO2009080644A2 (en) | Dual polarised radiating element for cellular base station antennas | |
| CN202495574U (en) | Ridge wavelength broad-side 'V' shaped slot antenna | |
| CN104092008B (en) | Antenna element and antenna | |
| CN109066079A (en) | Millimeter wave dual polarization slot antenna system and mobile terminal suitable for 5G communication | |
| CN103682645A (en) | Reconfigurable plane microstrip antenna with multi-angle main beam pointing directions | |
| CN116581531A (en) | Wide-beam dual-polarized dielectric resonator antenna | |
| CN107359407B (en) | Wide-beam dual-polarization microstrip antenna based on short-circuit wall structure | |
| WO2015133458A1 (en) | Array antenna and sector antenna | |
| CN203039094U (en) | Broad band and high isolation dual-polarized antenna and radiation unit thereof | |
| CN105846114B (en) | Dual-band common-caliber antenna |
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: 20150415 |