CN108288764A - A kind of Ku/Ka switchings two-band feed network - Google Patents
A kind of Ku/Ka switchings two-band feed network Download PDFInfo
- Publication number
- CN108288764A CN108288764A CN201810271523.8A CN201810271523A CN108288764A CN 108288764 A CN108288764 A CN 108288764A CN 201810271523 A CN201810271523 A CN 201810271523A CN 108288764 A CN108288764 A CN 108288764A
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- 230000010287 polarization Effects 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000037361 pathway Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims 1
- 238000002955 isolation Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 238000005388 cross polarization Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241001347978 Major minor Species 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- 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
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
A kind of Ku/Ka switchings two-band feed network,It includes Ku/Ka frequency ranges switching Microwave Net,Ku frequency ranges polarization rotating mechanism,Two Ka frequency band filters and fixed platform,The two ka feeder lines ports reserved in fixed platform are connected by waveguide feeder and two Ka frequency band filters correspondingly,Ku feeder lines port is reserved in fixed platform to be connected with Ku frequency ranges polarization rotating mechanism,It is for rotating freely the rotor block for carrying out port switching that Ku/Ka frequency ranges switching Microwave Net, which is movably set in Ku/Ka frequency ranges switching Microwave Net in fixed platform,,It is set side by side in rotor block through the Ku frequency band signals channel of block and ka frequency band signals channel,Ka frequency band signals channel is connected with phase shifter,The output port that rotor block switches to phase shifter is connected with ka feeder lines port or switches to the output port in Ku frequency band signals channel by rotor block and ku feeder lines port is connected,Feed of the present invention takes rotation Switch structure,Integrated model is simple and efficient.
Description
Technical field
The present invention relates to the antenna in various forms of Wireless microwave satellite communications or the antennas in electronic reconnaissance signal
Ku/Ka in equal fields switches two-band feed network, it is a kind of Ku/Ka two-band feed networks of time-sharing work, especially
Suitable for compact, miniaturization, on the antennas such as electrical performance demands height, it is especially suitable in car antenna, it is ship-board antenna, airborne
Antenna etc. uses.
Background technology
In recent years, with the fast development of wireless communication technique, purposes is more and more extensive, and the existing resource of frequency range cannot
Meet demand, the resource for developing higher frequency range is imperative, as satellite antenna carrier switchs to vehicle-mounted, boat-carrying, machine from ground
The carriers such as load.
Currently, the satellite application of Ku frequency ranges is very extensive, the satellite of Ka frequency ranges has also progressed into the practical stage, can design
Go out to minimize the shared satellite communication antena of Ku/Ka two-bands, Ku/Ka two-bands feed network is as satellite communication antena system
Core component, it is desirable that have high performance electrical characteristic, including the voltage standing wave ratio of each waveguide port, receive-transmit isolation, friendship
Changes, the Circular polarization ratios such as polarization isolation, directional diagram etc. are pitched, while structure also requires simple and compact to have wide practical use.
Ku/Ka two-band compacts corrugated horn efficiently shares a major-minor face reflector, the timesharing of antenna selectivities
Ku frequency ranges or Ka HF modes are worked in, realizes that the function of Ku/Ka two-band transmit-receive sharings, the interference between aerial signal are asked
Topic can be solved by receive-transmit isolation and cross polarization isolation so that the utilization rate of antenna improves one times.
Invention content
It is mostly coaxial-type knot it is an object of the invention to avoid the structure of above-mentioned Ku/Ka Double frequency feed sources in the prior art
Structure, the transmission of Ka frequency band signals rely on the material property and accurate to dimension and Ku that dielectric rod, electrical property are limited to dielectric rod
Frequency band signals can not adjust linear polarization, the shortcomings of cannot meeting polarization tracking requirement, and the present invention provides a kind of Ku/Ka double frequencies timesharing
Feed network, entire Ku/Ka switchings two-band feed network are simple and compact for structure.The Ku/Ka feed networks have good frequency range
The electric properties such as isolation, axis ratio, cross polarization isolation, standing-wave ratio, radiation characteristic.
The technical solution of offer is：
Provide a kind of Ku/Ka switchings two-band feed network comprising Ku/Ka frequency ranges switch Microwave Net 2, the polarization of Ku frequency ranges
Rotating mechanism 3, two Ka frequency band filters 4 and fixed platforms,
Two Ka frequency band filters 4 and Ku frequency ranges polarization rotating mechanism 3 are all disposed within below fixed platform, are reserved in fixed platform
Two ka feeder lines ports be connected correspondingly by waveguide feeder and two Ka frequency band filters 4, it is pre- in fixed platform
Ku feeder lines port is stayed to be connected with Ku frequency ranges polarization rotating mechanism；
Ku/Ka frequency ranges switching Microwave Net 2 is movably set in fixed platform, and it is for certainly that Ku/Ka frequency ranges, which switch Microwave Net 2,
The rotor block of port switching is carried out by rotation, is set side by side with through the Ku frequency band signals channel of block and ka frequency ranges in rotor block
Signal path, ka frequency band signals channel are connected with phase shifter, and rotor block switches to the output port of phase shifter and ka is presented
Line end mouth be connected or switched to by the rotor block output port in Ku frequency band signals channel connects with ku feeder lines port
It is logical.
Further, the phase shifter is partition board phase shifter, and phase shifter extends two output channels, and two outputs are logical
Road is connected with ka feeder lines port correspondingly.
Further, the Ka frequency band filters 4 are three port one-to-two filters.
Further, the ku feeder lines port is located between two ka feeder lines ports.
Further, further include spin axis and rocking arm 2-4-1, the fixed platform is connected in by bearing in spin axis, institute
The spin axis stated is fixedly connected with the rotor, and the rocking arm is fixedly connected with spin axis, and driving lever 2- is vertically fixed in one end of rocking arm
4-2。
Further, further including cap tube 2-2, cap tube is equipped to be reserved with public port on cap tube on the stationary platform,
Be fitted with horn feed outside the public port of cap tube, rotor block switch to Ku frequency band signals channel public port be connected or
Person's rotor block switches to ka frequency band signals channel and is connected with public port.
Further, the described Ku frequency ranges polarization rotating mechanism include for adjust the matched rotating mechanism of polarizations and
Rotary joint 5-3 for transmitting signal, the rotating mechanism include as the central waveguide 5-1 of rotor and as stator
Safety barrel 5-2, in the inner cavity of central waveguide active mounting safety barrel；
It is fixed with rotor match block on the side wall of central waveguide, stator match block, rotor are fixed on the inner wall of safety barrel
The side wave pathway 5-7 extended at circular ring shape with the periphery closed out between block and stator match block along central waveguide, it is described
Side wave pathway both ends respectively in central waveguide reserve signal input coupling mouth 5-4 and safety barrel on reserve signal receive
Hair side ports 5-5 is connected, by the pole for changing the angulation change side wave pathway between rotor match block and stator match block
Change angle；
The top of central waveguide is reserved with public port, and the straight end mouth of central waveguide bottom end connects with the waveguide port of rotary joint
It is logical.
Further, the outer wall setting of central waveguide is provided with waveguide groove body, and one end of waveguide groove body is provided with rotor
Match block 5-6 is provided with stator match block positioned at the other end of waveguide groove body, and safety barrel closes the top surface of waveguide groove body, stator
The both ends of waveguide groove body are closed to form side wave pathway, input coupling mouth and rotor match block phase with block and rotor match block
Right, signal transmitting and receiving side is opposite with stator match block.
Further, rotor match block is the convex block with ladder boss, ladder boss and the input of rotor match block
Coupling aperture face, stator match block are the convex block with ladder boss, ladder boss and the side ports face of stator match block.
The object of the present invention is achieved like this：
It has the following advantages that compared with the background technology, the present invention：
1. the mode that feed of the present invention uses is spout corrugated horn altogether, processing technology is ripe, is not influenced by dielectric material,
It can ensure that machining accuracy, electric property are good by machining.
2. the present invention carries out two frequencies of Ku/Ka using time sharing mode by the form of reciprocating rotary switching
Alternating between section is replaced, and dependable performance is stablized, and automatic regulation may be implemented after integrated motor.
3. the present invention solves by Ku frequency ranges polarization rotating mechanism and cannot achieve linear polarization adjustment and following function
Problem realizes the Ku transmitting-receiving matched abilities of frequency range linear polarization.
4. the present invention is mounted on the axis for not only having realized Ka frequency ranges on antenna than function admirable, but also realizes Ku frequency range line lines
The function of the adjustment and tracking of polarized signal, two frequency ranges of Ku/Ka all have low high gain, secondary lobe, low-cross polarization, low-voltage
The excellent performances such as standing-wave ratio.
5. the present invention is using modular assembly mode, structure size simple and compact.
Description of the drawings
Fig. 1 is overall structure figure of the present invention.
Fig. 2 is that the axis of the present invention regards structure chart.
Fig. 3 is the side block diagram of the rotating mechanism of the present invention.
Fig. 4 is the sectional structure chart of the rotating mechanism of the present invention.
Fig. 5 is the sectional structure chart of the rotating mechanism of the present invention.
Fig. 6 is that the Ku/Ka frequency ranges of the present invention switch the Switch structure figure of Microwave Net.
Reference sign：Horn feed 1, Ku/Ka frequency ranges switching Microwave Net 2, Ku frequency ranges polarization rotating mechanism 3, Ka
Frequency band filter 4, rotation, rocking arm 2-4-1, driving lever 2-4-2, central waveguide 5-1, safety barrel 5-2, rotary joint 5-3, signal input
Coupling aperture 5-4, signal transmitting and receiving side ports 5-5, rotor match block 5-6, side wave pathway 5-7；
Specific implementation mode
In the following, in conjunction with Fig. 1 to Fig. 6, the invention will be further described.
As shown, Ku/Ka switches two-band feed network, microwave is switched by Ku/Ka two-bands feed 1, Ku/Ka frequency ranges
Network 2,3, two Ka frequency band filters 4 of Ku frequency ranges polarization rotating mechanism, Ka frequency ranges waveguide feeder 5 form, and Ku/Ka switches double frequency
There are six waveguide ports and one to radiate port, the two ka feeder lines ports reserved in fixed platform and a ku for section feed network
Feeder line port, the ku feeder lines port are located between two ka feeder lines ports, two Ka frequency band filters 4 and a Ku frequency range
Polarization rotating mechanism 3 is all disposed within below fixed platform, and Ku/Ka frequency ranges switching Microwave Net 2 is movably set in fixed platform,
Ku/Ka frequency ranges switching Microwave Net 2 is for rotating freely the rotor block for carrying out port switching, and the fixed platform passes through axis
It holds and is connected in spin axis, the spin axis is fixedly connected with rotor block, and the rocking arm is fixedly connected with spin axis, the one of rocking arm
End is vertically fixed driving lever 2-4-2, drives rotor block rotation by stirring driving lever and rocking arm is driven to swing, at this time fixed platform
Position fix, Ku frequency band signals channel and the ka frequency band signals channel of block, ka frequency ranges are provided through in rotor block
Signal path is connected with phase shifter, and there is phase shifter the shape of falling Y channel, phase shifter to be similarly disposed in rotor block, phase shifter
For partition board phase shifter, phase shifter extends two output channels, and two output channels connect with ka feeder lines port correspondingly
It is logical, during rotor block, it can be connected or lead to ka feeder lines port with the output port of any switching laws to phase shifter
Overwinding sub-block of walking around switches to the output port in Ku frequency band signals channel and ku feeder lines port is connected, in the fixed platform
Reserved ku feeder lines port is connected with Ku frequency ranges polarization rotating mechanism；The two ka feeder lines ports one reserved in fixed platform are a pair of
That answers is connected by waveguide feeder and two Ka frequency band filters 4.
The Ka frequency band filters 4 are three port one-to-two filters.
Cap tube is provided with outside rotor block, cap tube, which is fixed, to be equipped on the stationary platform, is reserved on cap tube public
The public port of port, cap tube is fitted with horn feed outside, and rotor block switches to Ku frequency band signals channel public port phase
It connects or rotor block switches to ka frequency band signals channel and is connected with public port.
Ku/Ka switches two-band feed network using time sharing mode, that is, is choosing Ku band operations or Ka
Band operation carries out working frequency range conversion by stirring switching device, and the polarization of Ku band operations is linear polarization, Ka band operations
Polarization is circular polarisation, and the polar plane adjustment function of Ku frequency ranges polarizes rotating mechanism to realize by Ku frequency ranges, and entire Ku/Ka is cut
It is simple and compact for structure to change two-band feed network.
As seen in figures 3-6, Ku frequency ranges polarization rotating mechanism includes for adjusting the matched whirler of polarizations
Structure and rotary joint 5-3 for transmitting signal, the rotating mechanism include as the central waveguide 5-1 of rotor and as fixed
The safety barrel 5-2 of son in the inner cavity of central waveguide active mounting safety barrel, is fixed with rotor match block, position on the side wall of central waveguide
In being fixed with stator match block on the inner wall of safety barrel, closed out along central waveguide between rotor match block and stator match block
The side wave pathway 5-7 that periphery extends at circular ring shape, the both ends of the side wave pathway respectively with reserve in central waveguide
The signal transmitting and receiving side ports 5-5 reserved on signal input coupling mouth 5-4 and safety barrel is connected, by change rotor match block with it is fixed
The polarisation angles of angulation change side wave pathway between sub- match block, the top of central waveguide are reserved with public port, center
The straight end mouth of waveguide bottom end and the waveguide port of rotary joint are connected.
The outer wall setting of central waveguide is provided with waveguide groove body, and one end of waveguide groove body is provided with rotor match block 5-6,
The other end of waveguide groove body is provided with stator match block, safety barrel closes the top surface of waveguide groove body, stator match block and rotor
Match block closes the both ends of waveguide groove body to form side wave pathway, and input coupling mouth is opposite with rotor match block, signal transmitting and receiving
Side is opposite with stator match block.
Rotor match block is the convex block with ladder boss, and the ladder boss and input coupling mouth of rotor match block are just
Right, stator match block is the convex block with ladder boss, ladder boss and the side ports face of stator match block.
The operating frequency range of Ku/Ka two-band feeds is that Ku frequency ranges cover transmitting-receiving frequency, Ka frequency ranges cover transmitting-receiving frequency.
The above, relatively good embodiment only of the invention, but scope of protection of the present invention is not limited thereto, appoints
The related technical personnel what is familiar with the art in the technical scope disclosed by the present invention, the variation that can readily occur in and replace
It changes, should all cover within the scope of the present invention.
The content that description in the present invention is not described in detail belongs to the known technology of professional and technical personnel in the field.
Case study on implementation of the present invention designs and has manufactured a set of Ku/Ka switchings two-band feed network and is applied to 0.9 meter of antenna.
The result of actual measurement shows that being 19.6 ~ 21.2GHz in Ka frequency range feed network receives frequencies, tranmitting frequency is 29.4 ~ 31GHz, Ka frequencies
Section transmitting-receiving axis ratio is less than 1dB, and Ku UHF band reception frequencies are 12.25 ~ 12.75GHz, and tranmitting frequency is 14 ~ 14.5GHz, Ku transmitting-receivings
The cross polarization isolation of frequency range is less than -35 dB, and symmetrically, the first secondary lobe of antenna of Ku/Ka two-bands is small for antenna pattern
It is good less than other electric properties such as 1.3 in -14dB, voltage standing wave ratio, reach good index request.
Claims (9)
1.Ku/Ka switches two-band feed network, it is characterised in that：Switch Microwave Net including Ku/Ka frequency ranges（2）, Ku frequency ranges
Polarize rotating mechanism（3）, two Ka frequency band filters（4）And fixed platform（6）,
Two Ka frequency band filters（4）With Ku frequency ranges polarization rotating mechanism（3）It is all disposed within below fixed platform, in fixed platform
Two reserved ka feeder lines ports pass through waveguide feeder and two Ka frequency band filters correspondingly（4）It is connected, it is fixed flat
Ku feeder lines port is reserved on platform to be connected with Ku frequency ranges polarization rotating mechanism；
Ku/Ka frequency ranges switch Microwave Net（2）It is movably set in fixed platform, Ku/Ka frequency ranges switch Microwave Net（2）For with
In rotating freely the rotor block for carrying out port switching, it is set side by side with through the Ku frequency band signals channel of block and ka in rotor block
Frequency band signals channel, ka frequency band signals channel are connected with phase shifter, rotor block switch to the output port of phase shifter with
Ka feeder lines port is connected or switches to the output port in Ku frequency band signals channel and ku feeder lines port by rotor block
It is connected.
2. switching two-band feed network according to the Ku/Ka described in claim 1, it is characterised in that：The phase shifter be every
Plate phase shifter, phase shifter extend two output channels, and two output channels are connected with ka feeder lines port correspondingly.
3. Ku/Ka according to claim 2 switches two-band feed network, it is characterised in that：The Ka frequency ranges filtering
Device（4）For three port one-to-two filters.
4. Ku/Ka according to claim 1 switches two-band feed network, it is characterised in that：The ku feeder lines port
Between two ka feeder lines ports.
5. Ku/Ka according to claim 2 switches two-band feed network, it is characterised in that：Further include spin axis and rocking arm
（2-4-1）, the fixed platform is connected in by bearing in spin axis, and the spin axis is fixedly connected with the rotor, and described shakes
Arm is fixedly connected with spin axis, and driving lever is vertically fixed in one end of rocking arm（2-4-2）.
6. Ku/Ka according to claim 2 switches two-band feed network, it is characterised in that：It further include cap tube（2-2）,
Cap tube is equipped on the stationary platform, and public port is reserved on cap tube, horn feed is fitted with outside the public port of cap tube,
Rotor block switch to Ku frequency band signals channel public port be connected or rotor block to switch to ka frequency band signals logical
Road is connected with public port.
7. Ku/Ka according to claim 2 switches two-band feed network, it is characterised in that：The Ku frequency ranges polarization
Rotating mechanism includes the rotary joint for adjusting the matched rotating mechanism of polarizations and for transmitting signal（5-3）, described
Rotating mechanism include central waveguide as rotor（5-1）With the safety barrel as stator（5-2）, central waveguide active mounting is fixed
In the inner cavity of cylinder；
It is fixed with rotor match block on the side wall of central waveguide, stator match block, rotor are fixed on the inner wall of safety barrel
The side wave pathway extended at circular ring shape with the periphery closed out between block and stator match block along central waveguide（5-7）, institute
The both ends for the side wave pathway stated respectively in central waveguide reserve signal input coupling mouth（5-4）With the letter reserved on safety barrel
Number transmitting-receiving side ports（5-5）It is connected, is connected by changing the angulation change side wave between rotor match block and stator match block
The polarisation angles in road；
The top of central waveguide is reserved with public port, and the straight end mouth of central waveguide bottom end connects with the waveguide port of rotary joint
It is logical.
8. Ku/Ka according to claim 7 switching two-band feed network it is characterized in that：
The outer wall setting of central waveguide is provided with waveguide groove body, and one end of waveguide groove body is provided with rotor match block（5-6）, position
The other end of waveguide groove body is provided with stator match block, safety barrel closes the top surface of waveguide groove body, stator match block and rotor
Both ends with block closing waveguide groove body are to form side wave pathway, and input coupling mouth is opposite with rotor match block, signal transmitting and receiving side
End is opposite with stator match block.
9. Ku/Ka according to claim 8 switching two-band feed network it is characterized in that：Rotor match block is with rank
The convex block of terraced boss, ladder boss and the input coupling mouth face of rotor match block, stator match block are with ladder boss
Convex block, the ladder boss of stator match block and side ports face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810271523.8A CN108288764B (en) | 2018-03-29 | 2018-03-29 | Ku/Ka switching dual-band feed source network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810271523.8A CN108288764B (en) | 2018-03-29 | 2018-03-29 | Ku/Ka switching dual-band feed source network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108288764A true CN108288764A (en) | 2018-07-17 |
| CN108288764B CN108288764B (en) | 2023-12-15 |
Family
ID=62834254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810271523.8A Active CN108288764B (en) | 2018-03-29 | 2018-03-29 | Ku/Ka switching dual-band feed source network |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534916A (en) * | 2019-10-11 | 2019-12-03 | 华讯方舟科技有限公司 | Polarize feed source device and satellite antenna device |
| CN111600119A (en) * | 2020-05-28 | 2020-08-28 | 无锡华信雷达工程有限责任公司 | Ku/Ka ultra-wide double-frequency composite feed network system |
| CN114361809A (en) * | 2021-12-31 | 2022-04-15 | 苏州阿清智能科技有限公司 | Ku and ka dual-frequency receiving and transmitting assembly fast switching device |
| WO2022161630A1 (en) | 2021-01-29 | 2022-08-04 | Ovzon Sweden Ab | Dual-band radio terminal and filter structure |
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| US20150097747A1 (en) * | 2013-10-04 | 2015-04-09 | Ki Min HWANG | Antenna system for simultaneous triple-band satellite communication |
| CN203871473U (en) * | 2014-05-12 | 2014-10-08 | 北京航天控制仪器研究所 | Dual-mode antenna feed source for mobile carrier satellite communication system |
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| CN105470649A (en) * | 2015-12-21 | 2016-04-06 | 中国电子科技集团公司第五十四研究所 | Ku/Ka dual-band time multiplexing feed source network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534916A (en) * | 2019-10-11 | 2019-12-03 | 华讯方舟科技有限公司 | Polarize feed source device and satellite antenna device |
| CN111600119A (en) * | 2020-05-28 | 2020-08-28 | 无锡华信雷达工程有限责任公司 | Ku/Ka ultra-wide double-frequency composite feed network system |
| WO2022161630A1 (en) | 2021-01-29 | 2022-08-04 | Ovzon Sweden Ab | Dual-band radio terminal and filter structure |
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| CN114361809A (en) * | 2021-12-31 | 2022-04-15 | 苏州阿清智能科技有限公司 | Ku and ka dual-frequency receiving and transmitting assembly fast switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108288764B (en) | 2023-12-15 |
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