CN111180900B - Multiband airborne radar antenna - Google Patents

Multiband airborne radar antenna Download PDF

Info

Publication number
CN111180900B
CN111180900B CN201911425664.1A CN201911425664A CN111180900B CN 111180900 B CN111180900 B CN 111180900B CN 201911425664 A CN201911425664 A CN 201911425664A CN 111180900 B CN111180900 B CN 111180900B
Authority
CN
China
Prior art keywords
antenna
wave band
antenna array
band
airborne radar
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.)
Active
Application number
CN201911425664.1A
Other languages
Chinese (zh)
Other versions
CN111180900A (en
Inventor
张海波
王毅
行坤
杨涛
史戈
李中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Electronics of CAS
Original Assignee
Institute of Electronics of CAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Institute of Electronics of CAS filed Critical Institute of Electronics of CAS
Priority to CN201911425664.1A priority Critical patent/CN111180900B/en
Publication of CN111180900A publication Critical patent/CN111180900A/en
Application granted granted Critical
Publication of CN111180900B publication Critical patent/CN111180900B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/02—Arrangements for de-icing; Arrangements for drying-out ; Arrangements for cooling; Arrangements for preventing corrosion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
    • H01Q1/285—Aircraft wire antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas

Abstract

The invention discloses a multiband airborne radar antenna, comprising: the first wave band antenna array surface and the module component are fixed on an antenna support frame structure; the second wave band antenna array surface and the module component are fixed on the antenna support frame structure; the N wave band antenna array surface and the module component are fixed on the antenna support frame structure; wherein N is more than or equal to 3, and the first wave band, the second wave band and the Nth wave band are different from each other. The multiband airborne radar antenna provided by the invention has the advantages that a plurality of band radar antennas are concentrated in one airborne radar antenna structure, the layout is reasonable, the components are compact, the rapid assembly and disassembly can be realized, and the heat dissipation requirement of high-integration components can be met.

Description

Multiband airborne radar antenna
Technical Field
The invention relates to the technical field of radar communication, in particular to a multiband airborne radar antenna.
Background
Currently, airborne radar has become an important monitoring means in the fields of military, civil remote sensing detection, disaster monitoring and the like. The imaging characteristics of radars with different wave bands to the ground are different, and the details presented to ground objects are different, so that in the fields of natural disaster monitoring, remote sensing imaging and the like, the radars with different wave bands are frequently required to fly for multiple times on the same land to obtain different characteristics of the ground objects. Currently, most airborne radars are radar antennas with one wave band, and the design that a plurality of wave band radars are integrated into one radar antenna structure is not available.
Disclosure of Invention
In order to solve the above disadvantages, the present invention provides a multiband airborne radar antenna to at least partially solve the above existing problems.
The invention provides a multiband airborne radar antenna, which comprises:
the first wave band antenna array surface and the module component are fixed on an antenna support frame structure;
the second wave band antenna array surface and the module component are fixed on the antenna support frame structure; and
the N wave band antenna array surface and the module component are fixed on the antenna support frame structure;
wherein N is more than or equal to 3, and the first wave band, the second wave band and the Nth wave band are different from each other.
In some embodiments, the first, second and nth bands are different bands from each other, including L, X and Ka bands. Furthermore, an L-waveband antenna array surface and a module component are fixed on one side of the antenna support frame structure; the antenna array surfaces and the module components of the X wave band and the Ka wave band are fixed on the other side of the antenna support frame structure, and the antenna array surfaces and the module components of the Ka wave band are arranged on the two sides of the antenna array surfaces and the module components of the X wave band.
In some embodiments, the antenna array and module assembly comprises:
the heat dissipation teeth realize the heat dissipation function of the module during working; and
and the positioning pins and the fixing holes are used for fixing each antenna array surface and the module assembly on the antenna support frame structure.
In some embodiments, the antenna support frame structure comprises:
the main supporting plate is used for fixing the antenna array surfaces and the module components in different wave bands through a plurality of fixing pin sockets;
the left side plate and the right side plate are fixedly connected with the main supporting plate through a plurality of threaded fixing holes;
the upper cover plate and the lower cover plate are fixedly connected with the main supporting plate and the left side plate and the right side plate through a plurality of through holes;
the left support and the right support are connected with the airplane through a plurality of through holes.
Further, wherein:
the left side plate, the right side plate, the left support and the right support are fixedly provided with a driving assembly through a through hole in the middle, the driving assembly comprises a driving shaft and a driving motor, furthermore, the left side plate, the right side plate, the left support and the right support are both provided with a plurality of reinforcing ribs, and the parts of the left side plate, the right side plate, the left support and the right support, which are not provided with the reinforcing ribs;
the upper cover plate and the lower cover plate are provided with a plurality of grooves and ventilation holes, and reinforcing ribs are arranged around the grooves.
In some embodiments, the multi-band airborne radar antenna further comprises:
a fan bracket arranged between the antenna array surfaces of the X wave band and the Ka wave band and the module component;
a partition plate fixing the fan bracket;
and/or an antenna rear cover fixed on the upper and lower cover plates and the left and right side plates, and further having a vent hole.
The multiband airborne radar antenna provided by the invention has the following beneficial effects:
(1) based on the reasonable layout of different antenna forms, the problem of mutual interference is solved when different antennas are integrated;
(2) the radar antennas with a plurality of different wave bands are concentrated in the middle of one airborne radar antenna structure, the layout is reasonable, the components are compact, the rapid disassembly and assembly can be realized, and the heat dissipation requirement of high-integration components can be met.
Drawings
FIG. 1 is a front view of a multiband airborne radar antenna structure according to an embodiment of the present invention;
FIG. 2 is a top view of a multiband airborne radar antenna structure according to an embodiment of the present invention;
FIG. 3 is an antenna frame diagram of a multiband airborne radar antenna structure according to an embodiment of the present invention;
fig. 4 is a structural diagram of a main supporting plate in an antenna supporting frame structure of a multiband airborne radar antenna according to an embodiment of the present invention;
fig. 5-6 are structural diagrams of left and right side plates of an antenna support frame structure of a multiband airborne radar antenna according to an embodiment of the present invention;
fig. 7-8 are structural diagrams of a left bracket in an antenna support frame structure of a multiband airborne radar antenna according to an embodiment of the invention;
9-10 are diagrams of the right bracket of the antenna support frame structure of the multiband airborne radar antenna according to the embodiment of the invention;
FIG. 11 is a diagram of the structure of the upper and lower cover plates of the antenna support frame structure of the multiband airborne radar antenna according to the embodiment of the present invention;
FIG. 12 is a block diagram of a fan bracket in an antenna support frame structure of a multiband airborne radar antenna according to an embodiment of the present invention;
fig. 13 is a structural view of a driving motor in the embodiment of the invention;
FIG. 14 is a structural view of a drive spindle in an embodiment of the invention;
FIG. 15 is a block diagram of a rear cover of an antenna in an antenna structure for a multiband airborne radar according to an embodiment of the invention;
FIG. 16 is a block diagram of an X-band antenna array and structural components in an embodiment of the present invention;
FIG. 17 is a block diagram of an L-band antenna array and structural components in an embodiment of the present invention;
fig. 18 is a structural diagram of the Ka-band antenna array and structural components in an embodiment of the present invention.
In the figure:
l-band antenna 1 Ka-band antenna 2
X-band antenna 3 antenna support frame structure 4
Driving assembly 5 antenna rear cover 6
Fan 7 and fan support 8
Partition board 9 main support board 41
Left side plate 42 and right side plate 43
Upper cover plate 44 and lower cover plate 45
Left support 46 and right support 47
Positioning aperture 412 groove design 463
Hollowed-out design 462 reinforcing ribs 421, 464 and 474
Fixing holes 411, 422, 423, 424, 461, 471, 472, 473
Driving spindle 51 driving motor 52
Vent 61 heat dissipation tooth 11
Fixing hole 13 of positioning pin 12
Detailed Description
In order that the objects, technical solutions and advantages of the present invention will become more apparent, the present invention will be further described in detail with reference to the accompanying drawings in conjunction with the following specific embodiments.
An embodiment of the present invention provides a multiband airborne radar antenna, including:
the first wave band antenna array surface and the module component are fixed on an antenna support frame structure;
the second wave band antenna array surface and the module component are fixed on the antenna support frame structure; and
the N wave band antenna array surface and the module component are fixed on the antenna support frame structure;
wherein N is more than or equal to 3, and the first wave band, the second wave band and the Nth wave band are different from each other.
In some embodiments, the first, second and nth bands are different bands, and may be, for example, an L band, an S band, a C band, an X band, a Ku band, a K band, a Ka band, and the like.
In the present embodiment, a three-band airborne radar antenna is provided, and specifically, please refer to fig. 1, the structure includes an L-band antenna array and module assembly 1, a Ka-band antenna array and module assembly 2, and an X-band antenna array and module assembly 3 fixed on the same antenna support frame structure 4.
In some embodiments, referring to fig. 1 to fig. 3 in combination, the antenna support frame structure includes:
the main supporting plate 41 fixes the antenna array surfaces and the module components of different wave bands through a plurality of fixing pin sockets;
left and right side plates (left and right side plates 42 and 43) fixedly connected to the main support plate 41 through a plurality of screw fixing holes;
upper and lower cover plates (upper cover plate 44 and lower cover plate 45) fixedly connected to the main support plate 41 and the left and right side plates through a plurality of through holes;
the left bracket and the right bracket (the left bracket 46 and the right bracket 47) are connected with the airplane through a plurality of through holes; and
a fan bracket 8 arranged between the antenna array planes of the X wave band 3 and the Ka wave band 2 and the module components;
a partition plate 9 for fixing the fan bracket 8;
and/or an antenna rear cover 6 fixed to the upper and lower cover plates and the left and right side plates, and further, the antenna rear cover 6 has a ventilation hole 61 (see fig. 15).
The multi-band airborne radar antenna disclosed by the invention has the advantages that a plurality of bands are arranged in one radar antenna, and the respective forms of the bands and the structure of the antenna are required to be considered when the antenna is designed and arranged in different bands and structures. For example, on one hand, the L-band antenna is designed as a patch, the size of the antenna is large, the antenna needs to be placed on one side of the antenna separately, the X-band antenna and the K-band antenna are in a slot array form, the size of the antenna is small, and the antenna can be combined and considered to be placed on the other side of the antenna; on the other hand, when the antenna operates, because the frequency bands of the antennas are different, the problem of mutual interference possibly caused by the antennas still needs to be considered.
Based on the above embodiments, referring to fig. 1 again in this embodiment, the main supporting plate 41 is used to position the antenna array and the module components of the three bands. Wherein the L-band antenna array and the module assembly 1 are arranged at the left side of the main supporting plate 41, the X-band antenna array and the module assembly 3 are arranged at the middle position of the right side of the main supporting plate 41, and the Ka-band antenna array and the module assembly 2 are arranged at the upper side and the lower side of the X-band assembly 3. And the main supporting plate 41 has a plurality of fixing pin sockets thereon, which are positioned with the antenna array planes and the module components of the three bands.
In some embodiments, referring to fig. 4, the main supporting plate 41 is configured as follows:
the main supporting plate 41 further includes four bosses, and each boss is distributed with four through holes 411 (as shown in fig. 4) for connecting each component in the antenna supporting frame structure;
a plurality of through holes 412 are distributed on one side of the main supporting plate 41 structure, which is provided with X, Ka wave band antenna array planes and module components, and are used for connecting rear connectors of the components with a rear processing unit;
the main supporting plate 41 has a plurality of positioning holes 412 for fixing the main supporting plate 41 in the antenna supporting frame structure without shaking.
In some embodiments, referring to fig. 5 to 6, the left and right side plates are configured as follows:
the left side plate and the right side plate are designed in a symmetrical structure, the left side plate and the right side plate are provided with a plurality of reinforcing ribs 421, and in order to reduce weight, the middle of the left side plate and the right side plate is designed to be hollowed;
the middle part of the left and right side plates is respectively provided with 4 threaded fixing holes 424 at the upper part and the lower part, the 4 threaded fixing holes are matched with four through holes 411 on four bosses of the main supporting plate 41 and are used for realizing the structural fixation of the left and right side plates and the main supporting plate 41;
and the middle of the left side plate and the right side plate is provided with a circular through hole for being matched with a driving motor.
And 8 thread fixing holes 422 are distributed around the through hole in the middle of the left side plate and the right side plate and used for fixing the driving motor.
In some embodiments, referring to fig. 11, the upper and lower cover plates are configured as follows:
the upper cover plate and the lower cover plate are distributed with a plurality of fan through holes as heat conducting channels of the fans, and four threaded holes are distributed around the channels and used for fixing the fans;
the upper cover plate and the lower cover plate are symmetrically designed.
The left side and the right side of the upper cover plate and the lower cover plate are provided with a plurality of through holes for fixing with the left side plate and the right side plate;
a plurality of through holes are arranged in the middle of the upper cover plate and the lower cover plate and used for fixing the main support plate 41;
the upper cover plate and the lower cover plate adopt groove design at the installation position of the fan, so that the fan can be conveniently placed in the upper cover plate and the lower cover plate, meanwhile, the weight of the upper cover plate and the lower cover plate is reduced, and the periphery of the groove is designed into reinforcing ribs, and meanwhile, the rigidity of the cover plates is increased;
in the embodiment, the front sides of the upper and lower cover plates have a plurality of threaded holes for fixing the Ka-band and L-band array elements 2 and 1.
In some embodiments, referring to fig. 7 to 10, the left and right brackets are configured as follows:
the left support and the right support are designed in a triangular mode, stability of the antenna structure is improved, hollow-out design 462 or groove design 463 is adopted in the middle of the supports, and weight of the antenna is reduced.
Four through holes (such as a left bracket through hole 461 in fig. 7 and a right bracket through hole 471 in fig. 9) are distributed at the upper parts of the left bracket and the right bracket and are used for connecting the airborne antenna structure with the airplane;
structural reinforcing ribs (such as the reinforcing rib 464 of the left bracket in fig. 8 and the reinforcing rib 474 of the right bracket in fig. 10) are arranged at the lower part of the through hole;
the right bracket adopts a circular through hole 472 design in the middle for placing a driving spindle 51 (as shown in fig. 14) and a driving motor 52 (as shown in fig. 13).
Preferably, wherein:
the right bracket is designed with a disc (please refer to fig. 9 and 10) for protecting the screw drive in the drive assembly;
eight threaded holes 473 are distributed on the outer side of the right bracket and used for fixing the driving motor 52;
the middle of the left bracket adopts a circular through hole design and is used for placing a driving main shaft 51;
adopt circular through-hole design in the middle of the left socle, radar antenna internal plant passes through the left side through-hole and realizes being connected with external equipment.
In some embodiments, the separator is configured to:
the partition plates 9 are arranged on the left side and the right side of the X-band antenna array surface 3 and the Ka-band antenna array surface 2 and are fixed with the upper cover plate, the lower cover plate and the main supporting plate;
a plurality of through holes are distributed in the middle of the partition plate 9, so that heat dissipation of the whole structure is facilitated.
In some embodiments, referring to fig. 12, the fan bracket 8 is configured as follows:
and a plurality of circular through holes are arranged on the fan bracket 8 and used as heat dissipation channels of the fan air path. The fan bracket 8 is fixed with through holes distributed in the middle of the partition plate 9;
and a plurality of threaded holes are formed in two sides of the upper surface of the fan support 8 and used for fixing the X-band antenna 3 array surface and the structural component as well as the Ka-band antenna 2 array surface and the structural component.
In some embodiments, the driving motor 52 is disposed on one side of the right bracket 47 as shown in fig. 13.
In some embodiments, as shown in fig. 14, the driving spindle 51 is distributed on two sides of the triangular bracket and the left and right side plates.
Wherein:
the driving main shaft 51 at the right bracket 47 is matched with the driving main shaft to complete the driving of the antenna structure;
the driving spindle 51 arranged at the left bracket 46 realizes the connection of the left bracket 46 and the left side plate 42, and simultaneously assists the driving motor to complete the driving and left-right test rotation of the antenna together, and particularly, the driving spindle has no driving force and can only realize the rotation function;
in some embodiments, the driving spindle is a cylindrical hollow design, and the antenna internal connection line penetrates out of the driving spindle arranged on the left side to be connected with an external device.
In some embodiments, referring to fig. 15 again, the antenna cover plate is configured as follows:
the antenna cover plate is integrally formed, is provided with through holes at the periphery and is fixed on the upper cover plate, the lower cover plate, the left side plate and the right side plate;
the antenna cover plate is reserved with a fan through hole, a fan can be installed, and the antenna cover plate is provided with a vent hole 61 for radiating the module at the rear part of the component.
In some embodiments, please refer to fig. 16-18, which are schematic diagrams of an antenna array and a module component of three different bands in the present embodiment, wherein fig. 16 is a structural diagram of an X-band antenna array and a structure component, fig. 17 is a structural diagram of an L-band antenna array and a structure component, fig. 18 is a structural diagram of a Ka-band antenna array and a structure component, and further, both of them include:
the heat dissipation teeth 11 realize the heat dissipation function when the module works; and
the positioning pins 12 and the fixing holes 13 realize the fixation of each antenna array and the module assembly on the antenna support frame structure 4.
In this embodiment, through the antenna array face and the module subassembly of three kinds of different wave bands of fixed L wave band, Ka wave band and X wave band in same antenna structure, can realize that airborne radar sends the detected signal and mutual noninterference of different wave bands to same parcel at the same time to can obtain the different characteristics of ground feature fast, and need not the radar and fly many times.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A multi-band airborne radar antenna, comprising:
the first wave band antenna array surface and the module component are fixed on an antenna support frame structure;
the second wave band antenna array surface and the module component are fixed on the antenna support frame structure;
the N wave band antenna array surface and the module component are fixed on the antenna support frame structure;
wherein N is more than or equal to 3, and the first wave band, the second wave band and the Nth wave band are different from each other;
wherein the first, second, and nth bands include an L band, an X band, and a Ka band;
the antenna array surface and the module component of the L waveband are fixed on one side of the antenna support frame structure; the X-waveband and Ka-waveband antenna array surface and module component are fixed on the other side of the antenna support frame structure, and the Ka-waveband antenna array surface and module component are arranged on two sides of the X-waveband antenna array surface and module component; and
wherein, the antenna support frame structure includes: the main supporting plate is used for fixing the antenna array surfaces and the module components in different wave bands through a plurality of fixing pin sockets; the left side plate and the right side plate are fixedly connected with the main supporting plate through a plurality of threaded fixing holes; the upper cover plate and the lower cover plate are fixedly connected with the main supporting plate and the left side plate and the right side plate through a plurality of through holes; and the left bracket and the right bracket are connected with the airborne radar antenna through a plurality of through holes.
2. The multiband airborne radar antenna of claim 1, wherein the antenna array and module assembly comprises:
the heat dissipation teeth realize the heat dissipation function of the module during working; and
and the positioning pins and the fixing holes are used for fixing the antenna array surfaces and the module assembly on the antenna support frame structure.
3. The multiband airborne radar antenna of claim 2, wherein the left and right side plates and the left and right brackets secure a drive assembly including a drive shaft and a drive motor by providing a through hole in the middle.
4. The multiband airborne radar antenna of claim 3, wherein the left and right side plates and the left and right brackets each have a plurality of ribs, and the portions of the left and right side plates and the left and right brackets that do not have ribs are of hollow design.
5. The multiband airborne radar antenna of claim 2, characterized in that the upper and lower cover plates have a plurality of groove designs and vent holes with ribs around the grooves.
6. The multiband airborne radar antenna of claim 2, further comprising:
the fan bracket is arranged between the antenna array surfaces of the X wave band and the Ka wave band and the module assembly;
a partition plate fixing the fan bracket;
and/or the antenna rear cover is fixed on the upper cover plate, the lower cover plate, the left side plate and the right side plate.
7. The multiband airborne radar antenna of claim 6, wherein the antenna back cover has a vent.
CN201911425664.1A 2019-12-31 2019-12-31 Multiband airborne radar antenna Active CN111180900B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911425664.1A CN111180900B (en) 2019-12-31 2019-12-31 Multiband airborne radar antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911425664.1A CN111180900B (en) 2019-12-31 2019-12-31 Multiband airborne radar antenna

Publications (2)

Publication Number Publication Date
CN111180900A CN111180900A (en) 2020-05-19
CN111180900B true CN111180900B (en) 2021-01-15

Family

ID=70654371

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911425664.1A Active CN111180900B (en) 2019-12-31 2019-12-31 Multiband airborne radar antenna

Country Status (1)

Country Link
CN (1) CN111180900B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8593369B2 (en) * 2008-11-12 2013-11-26 Navico Holding As Antenna assembly
CN101982900B (en) * 2010-09-08 2013-06-19 上海大学 L/S/X three-band dual-polarized planar antenna array
US10615513B2 (en) * 2015-06-16 2020-04-07 Urthecast Corp Efficient planar phased array antenna assembly
CN207133425U (en) * 2017-09-05 2018-03-23 北京北科天绘科技有限公司 A kind of laser radar gondola
CN109884594B (en) * 2019-02-28 2021-07-23 中国电子科技集团公司第三十八研究所 High-performance integrated active module

Also Published As

Publication number Publication date
CN111180900A (en) 2020-05-19

Similar Documents

Publication Publication Date Title
EP2631672B1 (en) Aircraft radar altimeter structure
US6999022B1 (en) Surveillance system
US9712259B2 (en) Canister antenna producing a pseudo-omni radiation pattern for mitigating passive intermodulation (PIM)
US20120282868A1 (en) Pyramidal Antenna Apparatus
US20060227062A1 (en) Antenna system with parasitic element and associated method
SE533885C2 (en) Antenna device
SE511497C2 (en) Device for receiving and transmitting radio signals
KR20220002453A (en) Systems and methods for signaling communication with scalable modular network nodes
CN111180900B (en) Multiband airborne radar antenna
EP2159878A1 (en) Stacked patch antenna array
US4438437A (en) Dual mode blade antenna
CN110383577B (en) Rotary radar and unmanned aerial vehicle
JP3431551B2 (en) Aircraft antenna system and method of using same
US5986611A (en) Steerable disk antenna
CN109085565A (en) A kind of miniaturization mm wave RF test platform
CN210956937U (en) Filter module and AFU antenna
US20230327345A1 (en) Rf module for antenna and antenna apparatus comprising same
US20210337678A1 (en) Multi-functional front slice panel apparatus and method of manufacture
CN111348206A (en) Unmanned aerial vehicle carries direction-finding device
EP3985796B1 (en) Integrated aircraft antenna and light assemblies
AU2006327964B2 (en) Phased array antenna
KR102278616B1 (en) Antenna device and vehicle having the same
CN107078395B (en) Antenna assembly
US5167510A (en) Crosspoint switch module and matrix
US6608601B1 (en) Integrated antenna radar system for mobile and transportable air defense

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
GR01 Patent grant
GR01 Patent grant