CN103840272B - A kind of method solving antenna for satellite communication in motion height and gain contradiction and communication in moving thereof - Google Patents
A kind of method solving antenna for satellite communication in motion height and gain contradiction and communication in moving thereof Download PDFInfo
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- CN103840272B CN103840272B CN201410082394.XA CN201410082394A CN103840272B CN 103840272 B CN103840272 B CN 103840272B CN 201410082394 A CN201410082394 A CN 201410082394A CN 103840272 B CN103840272 B CN 103840272B
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Abstract
The present invention provides a kind of and solves antenna for satellite communication in motion height and the method for gain contradiction and communication in moving thereof, and method comprises the following steps: be designed as parabola antenna-feedback system keeping flat the lowest (design feed Collapsible structure if desired)；The antenna house of parabola antenna designs for liftable；Being connected with the end cover of vertical antenna cover by azimuth rotating platform by antenna surface so that when system is in running order, by adjusting the pitch axis of azimuth rotating platform, antenna elevation angle is 10 °～90 °.Present invention introduces " Jing Zhongtong " and " portable station " theory, when communication in moving uses, antenna elevation cover cap cover to high state, antenna-feedback system can in allowed band normal rotation capture, tracking satellite, suitable with the height of incision paraboloid communication in moving, gain；Communication in moving when not in use, set level by antenna, reduces antenna house height；Make a product between plate aerial communication in moving and cutting parabola antenna face communication in moving, solve the contradiction of communication in moving system height and gain.
Description
Technical field
The present invention relates to mobile in the ground satellite station communication system i.e. brand-new scheme of " communication in moving ", be specifically related to a kind of method solving antenna for satellite communication in motion height and gain contradiction and communication in moving system thereof.
Background technology
Communication in moving is the abbreviation of " the ground satellite station communication system in Yi Dong ".By communication in moving system, the carrier of the movements such as vehicle, steamer, aircraft can the platform such as real-time tracking satellite in motor process, transmit the multimedia messages such as voice, data, image incessantly, the needs of multimedia communication under various military-civil emergency communication and mobile condition can be met.In prior art, communication in moving mainly has two big main products: a class is plate aerial communication in moving, being mainly characterized by of it: the height of plate aerial is low (＜ 300mm), the low (RX:35dB of antenna gain；TX:36dB)；Another kind of is cutting parabola antenna face communication in moving (cutting parabola antenna: in order to lower system height, complete parabola antenna is respectively cut up and down), being mainly characterized by of it: the highest (>=550mm), antenna gain high (RX: >=38dB；TX: >=39dB).
Owing to vehicle-mounted communication in moving is a kind of emergency communication equipment, when being mainly used in emergent, antenna just needs work, when i.e. keeping needing in driving process work, antenna keeps the platforms such as real-time tracking satellite, rather than is constantly in duty, and disorder of internal organs is open to traffic use infrequently.So, for vehicle-mounted communication in moving, owing to the height of plate aerial is relatively low, its windage is less, and has preferable disguise, less to the appearance effects of car body.On the other hand, the gain of plate aerial, the height of plate aerial to be improved are improved；Being additionally, since flat plate antenna structure complicated, requirement on machining accuracy is high, is difficult to improve its gain.And cut-parabolic antenna communication in moving, gain is higher, and the height of antenna is the highest, and therefore cut-parabolic antenna exists certain windage to car body, and disguised bad, also have impact on the attractive in appearance of car body.
For a long time, those skilled in the art are difficult to make great efforts to break through from antenna technology direction always, it is difficult to solve vehicle-mounted antenna for satellite communication in motion height and the contradiction of gain.
Summary of the invention
For deficiencies of the prior art, present invention aim to address vehicle-mounted antenna for satellite communication in motion height and the conflicting problem of gain, the scheme solved from system design view, it is provided that a kind of method solving antenna for satellite communication in motion height and gain contradiction；The present invention also provides for the communication in moving of a kind of novel solution antenna height and gain contradiction.
Realizing above-mentioned purpose, the technical solution used in the present invention is: a kind of method solving antenna for satellite communication in motion height and gain contradiction, it is characterised in that comprise the following steps:
1) parabola antenna-feedback system is kept flat highly it is designed to the lowest, when feed length is longer than antenna surface height, antenna feed is designed as extension type；
2) antenna house is made up of end cover and housing two part；The housing of described antenna house is designed as liftable mode:
When system is in running order, the housing of adjustment rise antenna house, to extreme higher position, can allow antenna bearingt, pitching freely rotatable, identical with parabola communication in moving duty；
When system is in off working state, adjusting and keep flat the antenna patch end, the housing of antenna house is reduced to be close to antenna, and system height is equal to antenna house height, and height is suitable with plate aerial communication in moving；
3) antenna reflective face is connected with the end cover of vertical antenna cover by azimuth rotating platform, by adjusting the pitch axis on azimuth rotating platform；
When making system in running order, antenna elevation angle is 10 °～90 °；
When system is in off position, antenna keeps flat completely, suitable with the housing height of antenna house.
Further, described antenna uses cut-parabolic antenna or the plate aerial of quite gain.
The present invention also provides for a kind of communication in moving solving antenna height and gain contradiction, including the antenna being made up of antenna surface, antenna feed and orthomode transducer OMT；Described antenna is located in liftable antenna house, and described liftable antenna house is made up of end cover and housing two part；Housing is located at above end cover, and can make elevating movement in short transverse；Antenna feed can be telescopic structure；Antenna surface is covered by the end of azimuth rotating platform and vertical antenna cover and is connected, by the pitch axis of adjustment azimuth rotating platform, antenna can the elevation angle can be 10 °～90 ° rotations.
Compared to existing technology, there is advantages that
Present invention introduces " Jing Zhongtong " and " portable station " theory, when communication in moving uses, antenna elevation cover cap cover to high state, antenna-feedback system can in allowed band normal rotation capture, tracking satellite, suitable with the height of incision paraboloid communication in moving, gain；I.e. antenna elevation cover and antenna feed, makes antenna height with gain as cut-parabolic antenna communication in moving；Communication in moving when not in use, set level (or simultaneous retractable feed) by antenna, reduces antenna house height, and now height is suitable with plate aerial communication in moving；Make a product between plate aerial communication in moving and cutting parabola antenna face communication in moving, solve the contradiction of communication in moving system height and gain.
Using the present invention program, communication in moving does not carries out emergency processing when, user can reduce antenna house height, not only can reduce windage, and car load better appearance；Needs work when, antenna elevation cover, although although at this moment system comparison is high, but performance is significantly larger than plate aerial communication in moving, and user is easier to accept.
Accompanying drawing explanation
Fig. 1 is communication in moving parabola antenna structural representation of the present invention.
Fig. 2 is communication in moving of the present invention scalable axis height parabola antenna structural representation (duty).
Fig. 3 is communication in moving of the present invention scalable axis height parabola antenna structural representation (off working state).
Fig. 4 is to present invention introduces liftable antenna house antenna for satellite communication in motion (off working state).
Fig. 5 is to present invention introduces liftable antenna house antenna for satellite communication in motion (duty).
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the present invention is described in further detail.
Embodiment
1
:
As a example by cutting parabola antenna surface antenna, a kind of method solving the logical height of disorder of internal organs antenna and gain contradiction, concrete grammar includes:
1, compression antenna axis height (feed 1 height+orthomode transducer (OMT) 6 height) ＜ 300mm；When needing, feed is scalable, and height is (height of the height+orthomode transducer (OMT) 6 of antenna surface 2).
As a example by 1m aperture antenna: calculate according to burnt footpath ratio, a length of the 260 of feed 1～350mm.The height of antenna surface 2 is 150～260mm；During designing antenna, the height of antenna surface 2 is the highest, and the length of feed 1 is the shortest.Antenna axis height adds the height of orthomode transducer (OMT) 6 equal to feed 1 length, and antenna axis height to be forced down must force down feed 1 length and the height of orthomode transducer (OMT) 6 simultaneously.In the present embodiment, if a length of 40mm of orthomode transducer (OMT) 6 is constant.
The a length of 260mm of 1.1 feeds 1, the height of antenna surface 2 are that 260mm(sees Fig. 1):
The a length of 260mm of feed 1, antenna surface 2 degree of depth is equal to feed 1 length, now need not flexible feed 1, a length of 40mm of orthomode transducer (OMT) 6, and antenna axis height is equal to 300mm.When system does not works, antenna keeps flat, and system height is approximately more than 300mm, suitable with plate aerial communication in moving height.
1.2 feed length 350mm, antenna surface height 150mm(see Fig. 2 and Fig. 3):
Now antenna surface is more shallow, but feed length is longer, needs to introduce feed stretching structure, and when system does not works, making feed contraction in length is 190mm to 150mm identical with antenna surface, same orthomode transducer (OMT) a length of 40mm, antenna axis height.When system does not works, antenna keeps flat, and system height is less than plate aerial communication in moving height.
Recovering feed length during work, fixed, antenna reaches normal index.
2, re-start structure design and i.e. adjust the strong point (seeing Fig. 4 and Fig. 5) of antenna:
The present invention is by adjusting the pitch axis strong point at antenna surface so that when system is in off position, antenna keeps flat on earth completely, and whole system height approximates antenna and keeps flat height (＜ 300mm), and height is suitable with plate aerial communication in moving.
During duty, antenna elevation angle is minimum can be to 10 ° of now antenna the highest (close to 600mm), and identical with incision paraboloid height, antenna gain is identical with incision paraboloid.Antenna elevation angle is up to 90 °, and now aerial position is identical with off working state.In figure, 3 is antenna house, and 4 is azimuth rotating platform.
3, liftable antenna house (seeing Fig. 4 and Fig. 5) is introduced。
3.1 antenna house liftings
This method devises vertical antenna cover, and when system is in off working state, the antenna patch end keeps flat, and antenna house is reduced to be close to antenna, and system height is equal to antenna house height, and height is suitable with plate aerial communication in moving.
When system is in running order, antenna house is increased to about 600mm height, and antenna bearingt, pitching can be freely rotatable, identical with incision paraboloid communication in moving duty.
Although adding the software flows such as antenna house elevating mechanism and collection, but avoiding the complexity of plate aerial, total complexity lowers significantly.
Embodiment 2:
As a example by plate aerial, when not using, keep flat antenna, lower antenna house；Antenna elevation cover during use, normally uses.Plate aerial keeps flat highly that itself is lower, it is achieved get up natural.
The present invention provides a kind of antenna adjusting communication in moving height and gain contradiction, and concrete structure is: include the antenna being made up of antenna surface, antenna feed and orthomode transducer (OMT)；Described antenna is located in liftable antenna house, and described liftable antenna house is made up of end cover and housing two part；Housing is located at above end cover, and can make elevating movement in short transverse；
Antenna feed can be telescopic structure；Antenna surface is connected with the end cover of vertical antenna cover by azimuth rotating platform, and by adjusting the pitch axis of azimuth rotating platform, the elevation angle of antenna can be 10 °～90 ° rotations.
Antenna axis height is equal to feed length plus (OMT) highly.
It addition, by adjusting the pitch axis strong point at antenna surface so that when system is in off position, antenna keeps flat on earth completely, and whole system height approximates antenna and keeps flat height (＜ 300mm), and height is suitable with plate aerial communication in moving.
During duty, antenna elevation angle is minimum can be to 10 ° of now antenna the highest (close to 600mm), and identical with incision paraboloid height, antenna gain is identical with incision paraboloid.Antenna elevation angle is up to 90 °, and now aerial position is identical with off working state.
When system is in off working state, the antenna patch end, keeps flat, and the housing of antenna house is reduced to be close to antenna, and system height is equal to antenna house height, and height is suitable with plate aerial communication in moving.
When system is in running order, the housing of antenna house rises, and the whole height of antenna house is about 600mm, and antenna bearingt, pitching can be freely rotatable, identical with incision paraboloid communication in moving duty.
Finally illustrate is, above-described embodiment is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail with reference to preferred embodiment, it will be understood by those within the art that, technical scheme can be modified or equivalent, without deviating from objective and the scope of technical solution of the present invention, it all should be contained in the middle of scope of the presently claimed invention.
Claims (2)
1. the method solving antenna for satellite communication in motion height and gain contradiction, it is characterised in that comprise the following steps:
1) compression antenna axis height: feed height+orthomode transducer (OMT) highly ＜ 300mm；Or feed is scalable, antenna axis height is the height of the height+orthomode transducer (OMT) of antenna surface；
2) strong point of adjustment antenna:
Adjusting the pitch axis strong point at antenna surface so that when system is in off position, antenna keeps flat on earth completely, whole system height approximates antenna and keeps flat height ＜ 300mm, and height is suitable with plate aerial communication in moving；
During duty, antenna elevation angle minimum can to 10 ° now antenna the highest, close to 600mm identical with incision paraboloid height, antenna gain is identical with incision paraboloid；Antenna elevation angle is up to 90 °, and now aerial position is identical with off working state；
3) liftable antenna house is introduced:
Design vertical antenna cover, when system is in off working state, the antenna patch end, keeps flat, and antenna house is reduced to be close to antenna, and system height is equal to antenna house height, and height is suitable with plate aerial communication in moving；
When system is in running order, antenna house is increased to about 600mm height, and antenna bearingt, pitching can be freely rotatable, identical with incision paraboloid communication in moving duty.
2. the communication in moving solving antenna height and gain contradiction, it is characterised in that include the antenna being made up of antenna surface, antenna feed and orthomode transducer OMT；Described antenna is located in liftable antenna house, and described liftable antenna house is made up of end cover and housing two part；Housing is located at above end cover, and can make elevating movement in short transverse；
Antenna feed can be telescopic structure；
Antenna surface is connected with the end cover of vertical antenna cover by azimuth rotating platform, and by adjusting the pitch axis of azimuth rotating platform, antenna elevation angle is 10 °～90 ° rotations.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410082394.XA CN103840272B (en) | 2014-03-07 | 2014-03-07 | A kind of method solving antenna for satellite communication in motion height and gain contradiction and communication in moving thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410082394.XA CN103840272B (en) | 2014-03-07 | 2014-03-07 | A kind of method solving antenna for satellite communication in motion height and gain contradiction and communication in moving thereof |
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| CN103840272A CN103840272A (en) | 2014-06-04 |
| CN103840272B true CN103840272B (en) | 2016-09-07 |
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| CN113823918B (en) * | 2021-07-22 | 2023-09-05 | 北京遥测技术研究所 | Novel multi-beam imaging self-tracking parabolic antenna |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201629405U (en) * | 2010-03-02 | 2010-11-10 | 重庆航天新世纪卫星应用技术有限责任公司 | In-motion satellite communication with eccentric azimuth spindle |
| CN101931116A (en) * | 2010-07-12 | 2010-12-29 | 四川湖山电器有限责任公司 | Portable paraboloid satellite earth antenna capable of being rapidly erected and folded |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7173571B2 (en) * | 2004-04-26 | 2007-02-06 | Windmill International, Inc. | Portable antenna positioner apparatus and method |
| CN201345408Y (en) * | 2008-11-24 | 2009-11-11 | 中国电子科技集团公司第二十八研究所 | Antenna lifting device |
| JP2013201774A (en) * | 2013-06-04 | 2013-10-03 | Mitsubishi Electric Corp | Antenna device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201629405U (en) * | 2010-03-02 | 2010-11-10 | 重庆航天新世纪卫星应用技术有限责任公司 | In-motion satellite communication with eccentric azimuth spindle |
| CN101931116A (en) * | 2010-07-12 | 2010-12-29 | 四川湖山电器有限责任公司 | Portable paraboloid satellite earth antenna capable of being rapidly erected and folded |
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