CN109546360A - The active phase of Ku wave band based on ridge waveguide gap array sweeps antenna - Google Patents
The active phase of Ku wave band based on ridge waveguide gap array sweeps antenna Download PDFInfo
- Publication number
- CN109546360A CN109546360A CN201811542652.2A CN201811542652A CN109546360A CN 109546360 A CN109546360 A CN 109546360A CN 201811542652 A CN201811542652 A CN 201811542652A CN 109546360 A CN109546360 A CN 109546360A
- Authority
- CN
- China
- Prior art keywords
- waveguide
- ridge waveguide
- array
- antenna
- ridge
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
- H01Q21/293—Combinations of different interacting antenna units for giving a desired directional characteristic one unit or more being an array of identical aerial elements
-
- 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
-
- 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
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/22—Longitudinal slot in boundary wall of waveguide or transmission line
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- 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
- H01Q21/064—Two dimensional planar arrays using horn or slot aerials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/36—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
- H01Q3/38—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters the phase-shifters being digital
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The active phase of Ku wave band based on ridge waveguide gap array that the present invention relates to a kind of sweeps antenna, including antenna array and poor power divider, T/R component and wave beam control machine.Antenna array arranges total 56 vallate waveguide broadside longitudinal joint linear arrays by left and right two in the azimuth direction and forms；Every vallate waveguide linear array includes 18 broadside longitudinal joint radiating elements, and on the azimuth direction of front, two alignment formation of left and right are at one group of complete radiating curtain；T/R component is integrated with the active transmitting-receiving subassembly of Ku wave band, digital phase shifter and digital pad, and each component includes 4 channels T/R, T/R component according to two column of left and right respectively with aerial array with and difference power divider connect, 7 T/R components of each column；Medium position of the antenna array using waveguide mouth in two alignment battle arrays of left and right is fed.The working performance of array antenna relative bandwidth 15% is reached, to realize that ± 15 ° of automatically controlled scannings, wideband operation, the one-dimensional active phase of remote operating distance sweep antenna and provide a kind of foundation.
Description
Technical field
The present invention relates to one kind to be related to radar antenna field, in particular to a kind of active phase of Ku wave band ridge waveguide gap array
Antenna is swept, one-dimensional active phase is mainly used in and sweeps airborne imaging radar, battle-field search radar.
Background technique
Ridge waveguide is a kind of deformation of rectangular waveguide, and as a kind of common guided wave structure, ridge waveguide is by rectangular waveguide
In broadside center to one rib ridge of waveguide internal stretch, what is extended on one side is referred to as single ridged waveguides, and being referred to as bilateral extension is double
Ridge waveguide.Compared with traditional rectangular waveguide, there are three advantages for ridge waveguide tool: (1) broadband operation, due to the work of rib ridge structure
With guided wave, which is compared, in ridge waveguide has longer cutoff wavelength with the guided wave in rectangular waveguide；(2) structure size is small, broadside phase
Under same waveguide dimensions, ridge waveguide single mode operation bandwidth is wider, therefore when identical frequency, ridge waveguide structure is smaller；(3) special
Property impedance it is low, compared with identical size rectangular waveguide, ridge waveguide has lower equivalent characteristic impedance, is easier to coaxial line
Match.
Areas imaging of the airborne imaging radar in target area is wider, is compared using the active phased array system of automatically controlled scanning
Have the advantages that scanning speed is fast, beam switchover is flexible compared with tradition machinery sweep volume fixture.Meanwhile it is automatically controlled scanning do not need it is dedicated
Mechnical servo structure, for airborne platform, radar overall weight can be greatly reduced.In the identical condition of array antenna bore
Under, it is compared to the single-row T/R modularity of conventional One-dimension Phased Array column, two column T/R component of configuration, antenna system has higher
Equivalent radiation power, greatly improve the operating distance of entire radar.
Summary of the invention
Technical problems to be solved
In order to avoid the shortcomings of the prior art, the present invention propose it is a kind of completely new for Ku wave band based on ridge waveguide
Active phase sweeps antenna.
Technical solution
A kind of active phase of Ku wave band based on ridge waveguide gap array sweeps antenna, including antenna array and poor power distribution
Device, T/R component and wave beam control machine；Antenna array is connect by its feed port with the access port of T/R component, T/R component
Total port with and the branch port of poor power divider be separately connected；Wave beam controls machine and carries out velocity of wave control to T/R component；Its
It is characterized in that the antenna array is made of two each 28 vallate waveguide broadside longitudinal joint linear array of column of left and right in the azimuth direction, 28
Ridge waveguide broadside longitudinal joint linear array is divided into 7 groups in vertical direction, and two adjacent groups are at Heterogeneous Permutation；Every vallate waveguide linear array includes 18
Broadside longitudinal joint radiating element and 1 apex drive structure, on the azimuth direction of antenna array, two alignment formation of left and right are at one group
Complete radiating curtain by the offset between control broadside longitudinal joint radiating element and ridge waveguide axis and adjusts left and right T/R
The phase of component is consistent with amplitude, realizes the Sidelobe amplitude distribution of ridge waveguide linear array.
The apex drive structure includes 7 evil spirit T, and each evil spirit T includes upper layer ridge waveguide, lower layer's ridge waveguide, upper layer
Single ridge, function in ridge waveguide divide the coupling gap between match block and two layers of waveguide；Upper layer ridge waveguide has with lower layer's ridge waveguide
Identical size；By adjusting the length and width in coupling gap, the electromagnetism between upper layer ridge waveguide and lower layer's ridge waveguide is realized
Energy transmission；Function divides match block to be a cuboid, and length is equal with the broadside of waveguide, on the upper broadside wall of upper layer waveguide,
It is distributed and is required according to different capacity, adjusted its width with height and its relative to the relative position for coupling gap, realize upper layer ridge
The power distribution of electromagnetic energy between waveguide and lower layer's ridge waveguide is transmitted；Single ridge in the ridge waveguide of upper layer is being located at coupling slot gap
Top position cut off, realized by changing the interval of both sides list ridge after cutting upper layer ridge waveguide and lower layer's ridge waveguide it
Between electromagnetic energy good transmission matching.
Beneficial effect
A kind of completely new Ku wave band that is used for proposed by the present invention sweeps antenna based on the active phase of ridge waveguide, wide using ridge waveguide
Side standing-wave array structure designs antenna array, realizes pitching face ± 15 ° phased scanning；Ridge waveguide is by the way of centre feed, letter
The structure design for having changed ridge waveguide feeding network, meets the integrated requirement of aerial array Yu T/R component；Antenna array is by left and right two
Alignment battle array composition, each column linear array are connect with T/R component, and two column T/R components, which work together, provides the amplification of transmitting signal, are realized
The higher equivalent radiation power of antenna system, is compared to the antenna system for configuring single-row T/R component, theoretical highest can increase
The radar horizon doubled；There is in Ku wave band 15% opposite bandwidth of operation simultaneously, meet the work of imaging radar frequency hopping
When requirement to bandwidth；The comprehensive performance of radar active antenna system is improved, it can be in engineering practice by large-scale popularization application.
Compared with prior art, it has the following beneficial effects:
1, antenna array of the invention uses ridge waveguide broadside Longitudinal Slot Arrays, and array is presented using apex drive structure
Electricity, array have wider bandwidth of operation, are integrated and connected by waveguide port and T/R component；
2, using the configuration mode of two column of left and right, two arrange T/R components works at the same time T/R component, realizes that antenna system is higher
Equivalent radiation power, increase the operating distance of radar system；
3, antenna array uses ridge waveguide form, reduces waveguide broadside size, reduces spacing between linear array, realizes pitching
- 15 °~+15 ° of face phased scanning.
4, radar antenna array Ku wave band have 15% opposite bandwidth of operation, meet imaging radar frequency hopping work when pair
The requirement of bandwidth.
5, Heterogeneous Permutation is more conducive to Sidelobe amplitude distribution.
Detailed description of the invention
Fig. 1 shows the active phases of Ku wave band ridge waveguide gap array of the present invention to sweep antenna assumption diagram
Fig. 2 indicates inventive antenna front front view
Fig. 3 indicates inventive antenna front and and poor power divider rearview
Fig. 4 feed structure front section view
Fig. 5 feed structure negative cutaway perspective view
Fig. 6 feed structure one side of something analogous diagram
Fig. 7 feed structure total simulation figure
Fig. 8 feed structure partial enlarged view
Actual measurement pitching face (face the E) radar center frequency ± 15 ° range phased scanning and wave of Fig. 9 expression embodiment of the present invention
Beam directional diagram
Figure 10 indicate the embodiment of the present invention measured direction face (face H) radar different frequent points and beam pattern
The actual measurement aerial array port voltage standing-wave ratio curve graph of Figure 11 expression embodiment of the present invention
Specific embodiment
Now in conjunction with embodiment, attached drawing, the invention will be further described:
It includes antenna array 1 and poor power divider 2, active transmitting-receiving subassembly (T/ that active phase based on ridge waveguide, which sweeps antenna,
R component) 3, wave beam control machine 4；The antenna array 1 arranges total 56 vallate waveguide broadsides by left and right two in the azimuth direction and indulges
Suture battle array 5 forms.Every vallate waveguide linear array 5 includes 18 broadside longitudinal joint radiating elements, on the azimuth direction of front 1, left and right
Two alignment formation pass through the offset between control longitudinal joint and ridge waveguide axis and adjust left and right at one group of complete radiating curtain
The phase of T/R component 3 is consistent with amplitude, realizes linear array Taylor amplitude weighting；The T/R component 3 is integrated with the active receipts of Ku wave band
Component, digital phase shifter and digital pad are sent out, each component includes 4 channels T/R；The ridge waveguide antenna array passes through
Feed port 6 is fed.
Referring to Fig. 1, it includes antenna array 1 and poor power distribution that a kind of active phase of Ku wave band ridge waveguide of the present invention, which sweeps antenna,
Device 2, active transmitting-receiving subassembly (T/R component) 3 and with wave beam control machine 4.The feed port 6 and T/R of linear array 5 on antenna array 1
Component 3 connects, and total port (totally 14) of each T/R component and 14 branch ports 7 of power divider 2 are separately connected, real
Show active phase and sweeps the integration of antenna, Integration Design；T/R component 3 is turned under the instruction of wave beam control machine 4 by transmitting-receiving
Power amplification, phase shift that switch completes transmitting signal are changed, antenna radiation unit is then sent to；Complete the low noise of receives echo-signal
The processing such as sound amplification, amplitude weighting, phase shift, realizes radar antenna wave beam phased scanning in the range of pitching face ± 15 ° of space.
Referring to fig. 2,1 front of antenna array of the invention, including linear array 5.Linear array 5 is wide by 28 groups of horizontally arranged ridge waveguides
Side longitudinal joint standing-wave antenna array composition, every group pattern are made of two vallate waveguide linear arrays of left and right.Gap is single in each radiating guide
First spacing is selected as 12.36mm, element number 36, ridge waveguide having a size of 12.5mm × 3mm, wherein single ridge having a size of 3mm ×
1mm, adjacent ridge waveguide spacing are 13.5mm.
Referring to Fig. 3,1 back side of antenna array of the invention, including 6 and of feed port with poor power divider 2, linear array 5
The branch port 7 of poor power divider 2 and and poor power divider 2 and crossing 8 and difference crossing 9.Total end of each T/R component
Mouthful with and the branch port 7 of difference power divider 2 connect, feed port 6 is the feed port of 28 groups of linear arrays, and port sizes are
12.5mm × 3mm is connected with 56 T/R component channels.
As shown in figs. 4-7, every vallate waveguide linear array 5 includes 18 broadside longitudinal joint radiating elements and 1 apex drive structure,
The apex drive structure includes 7 evil spirit T, and each evil spirit T includes upper layer ridge waveguide 14, lower layer's ridge waveguide 10, upper layer ridge ripple
The coupling gap 13 between single ridge 11, function point match block 12 and two layers of waveguide led；Upper layer ridge waveguide 14 and lower layer's ridge waveguide
10 are of the same size；By adjusting the length and width in coupling gap 13, upper layer ridge waveguide 14 and lower layer's ridge waveguide are realized
Transmission of electromagnetic energy between 10；Function divides match block 12 to be a cuboid, and length is equal with the broadside of waveguide, is located at upper layer waveguide
Upper broadside wall on, distributed and required according to different capacity, adjust its width with highly and its relative to coupling the opposite of gap 13
Position realizes that the power distribution of the electromagnetic energy between upper layer ridge waveguide 14 and lower layer's ridge waveguide 10 is transmitted；Upper layer ridge waveguide 14
In single ridge 11 be located at coupling slot gap 13 top position cut off, by change cutting after both sides list ridge 11 interval come
Realize that the good transmission of electromagnetic energy between upper layer ridge waveguide 14 and lower layer ridge waveguide 10 matches, as shown in Figure 8.
Antenna radiation pattern is surveyed as shown in Figures 9 and 10 on radar frequency point of the present invention.
See Fig. 9, surveys on radar center frequency point, in pitching face (face E) ± 15 ° of angular range antenna phased scannings and directions
Figure, is also respectively less than -22dB in the maximum minor lobe of institute's measuring angle.
See Figure 10, the directional diagram of measured direction face (face E) radar different frequent points, the maximum minor lobe of all frequency points is respectively less than-
25dB。
See Figure 11, aerial array port voltage standing-wave ratio curve graph is surveyed, in condition of the Ku wave band voltage standing wave ratio less than 2
Under, with 15% relative bandwidth.
As can be seen that centre frequency is in ± 15 ° of scanning range from actual measurement directional diagram, radar directional diagram minor level
It is attained by 22dB, when scanning is to 15 degree, radar gain is directed toward compared with zero only declines 0.4dB or so, can satisfy one-dimensional active phase
The normal use demand that clearance reaches.It is obtained by aerial array port voltage standing-wave ratio curve graph, antenna has 15% in Ku wave band
Opposite bandwidth of operation, meet the engineering service index of the radar of airborne imaging radar and battle reconnaissance, to demonstrate the day
Linear system, which is united, realizes the validity of one-dimensional Connectors for Active Phased Array Radar wideband operation and phased scanning by using ridge waveguide linear array.
Claims (2)
1. a kind of active phase of Ku wave band based on ridge waveguide gap array sweeps antenna, including antenna array (1) and poor power distribution
Device (2), T/R component (3) and wave beam control machine (4)；Antenna array (1) passes through the logical of its feed port (6) and T/R component (3)
Road port connection, total port of T/R component (3) with and difference power divider (2) branch port (7) be separately connected；Wave beam control
Machine (4) processed carries out velocity of wave control to T/R component (3)；It is characterized in that the antenna array (1) is in the azimuth direction by left and right
Each 28 vallate waveguide broadside longitudinal joint linear array (5) composition of two column, 28 vallate waveguide broadside longitudinal joint linear arrays (5) are divided into 7 in vertical direction
Group, two adjacent groups are at Heterogeneous Permutation；Every vallate waveguide linear array (5) includes 18 broadside longitudinal joint radiating elements and 1 apex drive
Structure, on the azimuth direction of antenna array (1), two alignment formation of left and right are wide by control at one group of complete radiating curtain
Offset between the side longitudinal joint radiating element and ridge waveguide axis and phase for adjusting left and right T/R component (3) is consistent with amplitude, it is real
The Sidelobe amplitude distribution of existing ridge waveguide linear array (5).
2. a kind of active phase of Ku wave band based on ridge waveguide gap array according to claim 1 sweeps antenna, feature exists
In the apex drive structure include 7 evil spirits T, each evil spirit T include upper layer ridge waveguide (14), lower layer's ridge waveguide (10), on
Single ridge (11), function in layer ridge waveguide divide the coupling gap (13) between match block (12) and two layers of waveguide；Upper layer ridge waveguide
(14) it is of the same size with lower layer's ridge waveguide (10)；By adjusting the length and width of coupling gap (13), upper layer is realized
Transmission of electromagnetic energy between ridge waveguide (14) and lower layer's ridge waveguide (10)；Function divide match block (12) be a cuboid, length with
The broadside of waveguide is equal, on the upper broadside wall of upper layer waveguide, is distributed and is required according to different capacity, adjusts its width and height
And its relative position relative to coupling gap (13), realize the electromagnetism between upper layer ridge waveguide (14) and lower layer's ridge waveguide (10)
The power distribution of energy is transmitted；Single ridge (11) in upper layer ridge waveguide (14) is carried out in the top position for being located at coupling slot gap (13)
Cutting is realized between upper layer ridge waveguide (14) and lower layer's ridge waveguide (10) by the interval of both sides list ridge (11) after change cutting
The good transmission of electromagnetic energy matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542652.2A CN109546360A (en) | 2018-12-17 | 2018-12-17 | The active phase of Ku wave band based on ridge waveguide gap array sweeps antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542652.2A CN109546360A (en) | 2018-12-17 | 2018-12-17 | The active phase of Ku wave band based on ridge waveguide gap array sweeps antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109546360A true CN109546360A (en) | 2019-03-29 |
Family
ID=65855190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811542652.2A Pending CN109546360A (en) | 2018-12-17 | 2018-12-17 | The active phase of Ku wave band based on ridge waveguide gap array sweeps antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109546360A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114300865A (en) * | 2021-12-17 | 2022-04-08 | 西安空间无线电技术研究所 | Ultra-wideband wide-angle scanning active phased array antenna system and implementation method |
| CN114865259A (en) * | 2022-04-18 | 2022-08-05 | 成都天成电科科技有限公司 | Waveguide converter, phased array TR module structure and active phased antenna |
| US11489262B1 (en) * | 2020-12-01 | 2022-11-01 | Raytheon Company | Radiator having a ridged feed structure |
| CN116014460A (en) * | 2023-03-27 | 2023-04-25 | 成都国恒空间技术工程股份有限公司 | Dual-frenquency VICTS phased array antenna |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427171A (en) * | 2011-07-29 | 2012-04-25 | 中国兵器工业第二○六研究所 | Ka wave band flat plate gap array antenna monopulse feed network |
| CN102593589A (en) * | 2012-02-29 | 2012-07-18 | 西安空间无线电技术研究所 | Single pulse wide angle electric scanning reflective array antenna |
| US8497809B1 (en) * | 2008-09-16 | 2013-07-30 | Rockwell Collins, Inc. | Electronically scanned antenna |
| CN104901001A (en) * | 2015-05-19 | 2015-09-09 | 安徽四创电子股份有限公司 | Ridge waveguide bias slot coupling micro-strip oscillator dual polarized antenna |
| US9142872B1 (en) * | 2013-04-01 | 2015-09-22 | Google Inc. | Realization of three-dimensional components for signal interconnections of electromagnetic waves |
| CN107230836A (en) * | 2017-06-05 | 2017-10-03 | 上海航天测控通信研究所 | The spaceborne AESA SAR antennas of C-band |
| CN207868374U (en) * | 2018-01-25 | 2018-09-14 | 江苏华灿电讯股份有限公司 | A kind of 5G antennas with heat dissipation and water resistance |
| CN108631054A (en) * | 2018-03-29 | 2018-10-09 | 西安电子工程研究所 | Mix the slot array antenna of feed |
-
2018
- 2018-12-17 CN CN201811542652.2A patent/CN109546360A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8497809B1 (en) * | 2008-09-16 | 2013-07-30 | Rockwell Collins, Inc. | Electronically scanned antenna |
| CN102427171A (en) * | 2011-07-29 | 2012-04-25 | 中国兵器工业第二○六研究所 | Ka wave band flat plate gap array antenna monopulse feed network |
| CN102593589A (en) * | 2012-02-29 | 2012-07-18 | 西安空间无线电技术研究所 | Single pulse wide angle electric scanning reflective array antenna |
| US9142872B1 (en) * | 2013-04-01 | 2015-09-22 | Google Inc. | Realization of three-dimensional components for signal interconnections of electromagnetic waves |
| CN104901001A (en) * | 2015-05-19 | 2015-09-09 | 安徽四创电子股份有限公司 | Ridge waveguide bias slot coupling micro-strip oscillator dual polarized antenna |
| CN107230836A (en) * | 2017-06-05 | 2017-10-03 | 上海航天测控通信研究所 | The spaceborne AESA SAR antennas of C-band |
| CN207868374U (en) * | 2018-01-25 | 2018-09-14 | 江苏华灿电讯股份有限公司 | A kind of 5G antennas with heat dissipation and water resistance |
| CN108631054A (en) * | 2018-03-29 | 2018-10-09 | 西安电子工程研究所 | Mix the slot array antenna of feed |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11489262B1 (en) * | 2020-12-01 | 2022-11-01 | Raytheon Company | Radiator having a ridged feed structure |
| CN114300865A (en) * | 2021-12-17 | 2022-04-08 | 西安空间无线电技术研究所 | Ultra-wideband wide-angle scanning active phased array antenna system and implementation method |
| CN114300865B (en) * | 2021-12-17 | 2024-06-11 | 西安空间无线电技术研究所 | Ultra-wide bandwidth angle scanning active phased array antenna system and implementation method |
| CN114865259A (en) * | 2022-04-18 | 2022-08-05 | 成都天成电科科技有限公司 | Waveguide converter, phased array TR module structure and active phased antenna |
| CN116014460A (en) * | 2023-03-27 | 2023-04-25 | 成都国恒空间技术工程股份有限公司 | Dual-frenquency VICTS phased array antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109546360A (en) | The active phase of Ku wave band based on ridge waveguide gap array sweeps antenna | |
| CN103682573B (en) | Dual-beam sector antenna and array | |
| CN105390822B (en) | Cylindrical type integration active phase array antenna | |
| US7068218B2 (en) | Calibration device for an antenna array, antenna array and methods for antenna array operation | |
| CN109728445B (en) | Three-frequency-band measurement and control remote-sensing guard multifunctional composite feed source | |
| CN109149128A (en) | A kind of 5G large scale array antenna | |
| CN101479887A (en) | Integrated waveguide antenna and array | |
| EP2127024A1 (en) | A displaced feed parallel plate antenna | |
| CN102394379A (en) | Dual-band co-aperture flat array antenna | |
| CN102427171A (en) | Ka wave band flat plate gap array antenna monopulse feed network | |
| CN102299421B (en) | Amplitude-phase weighed narrow waveguide slot array antenna | |
| CN104577347A (en) | Dual-band multi-polarization common-caliber waveguide slot antenna | |
| US11411301B2 (en) | Compact multiband feed for small cell base station antennas | |
| US6169518B1 (en) | Dual beam monopulse antenna system | |
| US6175326B1 (en) | Moving receive beam method and apparatus for synthetic aperture radar | |
| CN108242600A (en) | A kind of linear polarization pulse Small-slotted Planar Antenna Array | |
| GB2090070A (en) | Multimode array antenna | |
| CN105071053A (en) | Miniature dual-frequency-band coplanar composite monopulse array antenna | |
| CN109659709A (en) | A kind of broadband that the face E focuses, Sidelobe, wide angle scanning waveguide narrow side mutually sweep antenna | |
| CN108232416B (en) | Dual-polarization CTS beam scanning antenna array | |
| CN1851981B (en) | Bidirectional multi-frequency integrated antenna | |
| Zou et al. | High gain low sidelobe multibeam shaped lens antenna at 24 GHz for wind profile radar | |
| US5298906A (en) | Antenna isolation for continuous wave radar systems | |
| CN105470652A (en) | Low-profile wide-angle scanning waveguide slot array antenna | |
| CN107437660A (en) | A kind of antenna assembly of Step Frequency continuous wave through-wall radar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190329 |
|
| WD01 | Invention patent application deemed withdrawn after publication |