CN102447156A - Umbrella type unfolded reticular antenna - Google Patents
Umbrella type unfolded reticular antenna Download PDFInfo
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- CN102447156A CN102447156A CN2010105140541A CN201010514054A CN102447156A CN 102447156 A CN102447156 A CN 102447156A CN 2010105140541 A CN2010105140541 A CN 2010105140541A CN 201010514054 A CN201010514054 A CN 201010514054A CN 102447156 A CN102447156 A CN 102447156A
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Abstract
The invention relates to an umbrella type unfolded reticular antenna which comprises a base; the base is fixed with a center solid reflecting surface; a plurality of waveguide type supporting rods are vertically connected with the center solid reflecting surface; a plurality of articulated mechanisms are fixed at the periphery of the edge of the base and are respectively connected with a radial rib so that the folded or unfolded radial ribs are uniformly distributed at the periphery of the center solid reflecting surface; reflecting screen meshes are fixed on the surfaces of the radial ribs and form a needed reflecting surface with the center solid reflecting surface; slotted type compressing blocks are fixed on the radial ribs, and annular compressing ropes are arranged in slots of the slotted type compressing blocks; the annular compressing ropes are tightened up to restrain the radial ribs in the foldable state to form an annular end-to-end closing structure; the annular compressing ropes are connected with a cutter which is used for cutting the annular compressing ropes; the articulated mechanisms are used for providing driving torque so as to unfold the radial ribs; the waveguide type supporting rods are internally provided with a plurality of feed waveguide channels; and a multiple-beam feed source loudspeaker array is arranged at the top of the supporting rods and is connected with the supporting rods through irregular waveguides.
Description
Technical field
The present invention relates to the deployable net-shape antenna of a kind of umbrella formula, can be used for the spaceborne synthetic aperture radar (SAR) system of X-band.
Background technology
Satellite-borne synthetic aperture radar (SAR) can be realized the observation to earth surface in round-the-clock round-the-clock ground, obtains the high-definition picture of ground target, has a wide range of applications in national economy and national defence field.The borne SAR system is an important component part of spaceborne synthetic aperture radar (SAR) system, mainly is made up of antenna and antenna extension mechanism, and the composition of antenna is decided according to antenna form.For parabolic antenna, it comprises reflecting surface and feed.For planar array antenna, it comprises front and feeding network.At present successful Application, typically mainly contain types such as planar array antenna, netted parabolic antenna and entity parabolic antenna.
Netted parabolic antenna structure mainly contains two kinds of forms, and a kind of is to be similar to umbrella-shaped structure, and another kind is to utilize a large amount of expandable truss unit, connects and composes support frame by hinge, on support frame, lays wire netting again.Be characterized in having in light weight, the rigidity of structure is big, precision is high and can be configured to various curve forms etc. easily.Although the wire netting wire side is different from solid object surface, is discontinuous, but still can reflects radio wave up to the 40GHz frequency.
In light weight, characteristics such as caliber size is big, efficient height that netted parabolic antenna has have obtained increasing attention and application in the satellite-borne SAR field.
Summary of the invention
The object of the present invention is to provide the deployable net-shape antenna of a kind of umbrella formula.
Be the realization above-mentioned purpose, the deployable net-shape antenna of umbrella formula provided by the invention, its structure is:
One base is fixed with a central entity reflecting surface, is with the central entity reflecting surface vertically to be connected with some waveguide type support bars; Be fixed with a plurality of linkages around the edge of base, connect a radial rib respectively on these a plurality of linkages, make this central entity reflecting surface around be evenly equipped with the radial rib that can draw in or launch; Be fixed with the reflection silk screen on the radial rib surface, constitute required reflecting surface with the central entity reflecting surface; Be fixed with the slot type compact heap on the radial rib, be provided with annular in the groove of slot type compact heap and compress rope; Tighten up annular and compress rope radial rib is constrained to rounding state, form the closed loop configuration of head and the tail; Annular compresses rope and connects a cutter, compresses rope in order to cut off annular, provides driving moment to launch radial rib by this linkage; A plurality of feed waveguide passages are contained in the inside of waveguide type support bar, are used for microwave transmission and support structure; Multi-beam Feed Horn array is installed in the top of support bar, is connected with support bar through irregular waveguide, is used to transmit and receive microwave signal.
The deployable net-shape antenna of described umbrella formula, wherein this base is the hub-type base.
The deployable net-shape antenna of described umbrella formula, wherein this base is processed by the carbon fiber ring epoxy resin composite material.
The deployable net-shape antenna of described umbrella formula, wherein this radial rib is processed by the carbon fiber ring epoxy resin composite material.
The deployable net-shape antenna of described umbrella formula, wherein this reflection silk screen is to be sewn on the surface of radial rib.
The deployable net-shape antenna of described umbrella formula, wherein this compact heap is a wedge shape slot type compact heap.
The deployable net-shape antenna of described umbrella formula, wherein this waveguide type support bar is processed by the carbon fiber ring epoxy resin composite material.
The deployable net-shape antenna of described umbrella formula, wherein this multi-beam Feed Horn array is made up of a plurality of loudspeaker.
The deployable net-shape antenna of described umbrella formula, wherein this irregular waveguide connects the waveguide mouth of support bar and the feed horn of multi-beam Feed Horn array.
The deployable net-shape antenna of umbrella formula of the present invention, have in light weight, draw in volume little, launch the characteristics that bore is big, efficient is high.Antenna actinal surface size can reach diameter 3～6m, can be used for the X-band or the spaceborne synthetic aperture radar (SAR) system of high band more.
Description of drawings
Fig. 1 is the three-dimensional view of the deployable net-shape antenna deployed condition of umbrella formula of the present invention.
Fig. 2 is the three-dimensional view of another angle of Fig. 1.
Fig. 3 is the three-dimensional view of the deployable net-shape antenna rounding state of umbrella formula of the present invention.
The three-dimensional view of another angle of Fig. 4 Fig. 3.
Fig. 5 is the three-dimensional view of waveguide type support bar of the present invention and multi-beam feed.
Fig. 6 is the three-dimensional view of multi-beam Feed Horn array of the present invention.
Fig. 7 is the three-dimensional view of irregular waveguide between multi-beam trumpet array and waveguide type support bar.
Fig. 8 is the three-dimensional view of multichannel waveguide type support bar.
Fig. 9 A is the three-dimensional view of linkage rounding state.
Fig. 9 B is the three-dimensional view of linkage deployed condition.
Figure 10 compresses the three-dimensional view of rope for wedge shape slot type compact heap and annular.
Primary clustering symbol description in the accompanying drawing:
1 hub-type base; 2 central entity reflectings surface; 3 radial ribs; 4 reflection silk screens; 5 linkages; 6 waveguide type support bars; 7 multi-beam trumpet arrays; 8 irregular waveguides; 9 compact heaps; 10 cutters; 11 compress rope.
Embodiment
The deployable net-shape antenna of umbrella formula of the present invention mainly is made up of two parts, and the one, the deployable grating reflector of umbrella formula, the 2nd, the multi-beam feed of forming by a plurality of loudspeaker.Wherein, grating reflector mainly is made up of central entity reflecting surface, radial rib and the reflection silk screen that is laid on the radial rib.The multi-beam feed mainly is made up of waveguide type support bar, trumpet array and irregular waveguide.
The deployable net-shape antenna overall structure of umbrella formula of the present invention is:
Be fixed with a central entity reflecting surface, some radial ribs and some waveguide type support bars on the one hub-type base; Radial rib adopts linkage to be connected with the hub-type base, be distributed on the central entity reflecting surface around; Wedge shape slot type compact heap is fixed on the radial rib, and annular compresses the groove that rope is arranged in compact heap; Linkage provides driving moment that radial rib is launched, and radial rib is locked on the preposition; The reflection silk screen is sewn on the surface of these radial ribs, constitutes required reflecting surface with the central entity reflecting surface; A plurality of feed waveguide passages are contained in the inside of waveguide type support bar, are used for microwave transmission and support structure; Multi-beam Feed Horn array is positioned at the top of support bar, is connected with support bar through irregular waveguide, is used to transmit and receive microwave signal.
Do further to describe below in conjunction with accompanying drawing.
Seeing also Fig. 1～Figure 10, is the configuration and composition sketch map of the deployable net-shape antenna of umbrella formula of the present invention.
The deployable net-shape antenna of umbrella formula mainly by hub-type base, central entity reflecting surface, radial rib, reflection silk screen, linkage, waveguide type support bar, multi-beam Feed Horn array, irregular waveguide, compact heap, compress rope and cutter etc. is formed.Wherein, hub-type base 1, central entity reflecting surface 2, radial rib 3, waveguide type support bar 6 are processed by the carbon fiber ring epoxy resin composite material.The bottom surface and the satellite of hub-type base 1 are fixed, and constitute the basis of entire antenna.Central entity reflecting surface 2, linkage 5, waveguide type support bar 6 all are directly installed on the base 1.Radial rib 3 is connected with linkage 5, is driven by it and launches and be locked on the preposition.Reflection silk screen 4 is laid on the surface of radial rib 3, constitutes required reflecting surface with central entity reflecting surface 2.A plurality of feed waveguide passages are contained in the inside of waveguide type support bar 6, not only are used to support multi-beam Feed Horn array 7, also are used for microwave transmission.Irregular waveguide 8 has connected waveguide type support bar 6 and multi-beam Feed Horn array 7.Wedge shape slot type compact heap 9 is fixed on the radial rib 3 and annular compresses rope and 11 together aerial lock fixed on rounding state.Priming system cutter 10 can cut off and compress rope 11, discharges antenna and launches.
The deployable net-shape antenna of umbrella formula of present embodiment is a paraboloid of revolution antenna, the about 25kg of gross mass, and its parabolic focal length is 1.1m.The diameter of central entity reflecting surface 2 is 0.8m, and during rounding state, the total height of antenna is about 1.3m; During deployed condition, antenna reflective face actinal surface diameter is 3m.
Present embodiment has adopted by wedge shape slot type compact heap 9, annular and has compressed rope 11 and compressing with relieving mechanism of forming of priming system cutter 10 is fixed on rounding state with the deployable net-shape antenna of umbrella formula.Compact heap 9 is installed on the radial rib 3, compresses rope 11 and tightens up in the groove of compact heap 9, sees Fig. 3, Fig. 4 and Figure 10 for details.
During gathering, tighten up gradually and compress rope 11, make that the compact heap on the every radial rib is drawn close to the center of antenna axis direction gradually, can not come closer again, form a loop configuration that head and the tail are closed until contacting with each other.Be fixed and clamped this moment and restrict 11, antenna is constrained to rounding state.
During expansion, cutter 10 energisings are detonated, and cut off compressing rope 11, compress rope 11 and from the groove of compact heap 9, get loose, and radial rib 3 outwards is expanded to the precalculated position gradually under the driving of its root linkage.
There is bigger influence the installation site of compact heap 9 on radial rib 3 to the natural frequency of rounding state antenna.Present embodiment turns to target with rounding state natural antenna frequency maximum, and optimal design and calculating have been carried out in the installation site of compact heap 9, and has reached the optimization purpose.
The linkage 5 of present embodiment has adopted widely used deployable hinge in satellite sun span opening mechanism.Root at every radial rib all is equipped with a cover linkage, and linkage provides driving moment by wind spring, by the position of stop pin locking radial rib, sees Fig. 9 A for details.The position of the rotation of linkage 5 and direction make the antenna of rounding state have minimum envelope size.
The deployable net-shape antenna of umbrella formula of present embodiment has 45 radial ribs, and the surface of radial rib is the paraboloid of revolution.The radial rib that adopts the carbon fiber ring epoxy resin composite material to process has very high thermal stability.Reflection silk screen 4 is laid on the surface of these radial ribs; The locking rigidity of the inner tensions of dependence silk screen, the rigidity of radial rib and thermal stability, linkage; Under the deployed condition, the reflection silk screen has constituted smooth, that tension force is arranged, a stable netted parabola.See Fig. 1～Fig. 4 for details.
The deployable net-shape antenna of umbrella formula of present embodiment has three waveguide type support bars, and its bottom is connected with hub-type base 1, and the top is connected with multi-beam Feed Horn array 7 with irregular waveguide 8.Three feed waveguide passages are all contained in every waveguide type support bar inside, have taken into account the effect of microwave transmission and support structure.It adopts the one-shot forming of carbon fiber ring epoxy resin composite material, and inner surface has carried out metalized, and microwave transmission characteristic and conventional waveguide are suitable, and the rigidity of structure and intensity are higher than conventional waveguide.See Fig. 5 and Fig. 8 for details.
The multi-beam Feed Horn array 7 of present embodiment is made up of the feed horn of 9 different sizes.Eight feed horns wherein are the E-plane sectored horn of vertical line polarization, and per four constitute one group of linear array, totally two groups; Another independent feed horn is the pyramid loudspeaker of horizontal line polarization.Middle loudspeaker linear array adopts adjacent two loudspeaker work in combination, and four loudspeaker make up in twos, can form three wave beams.Simultaneously, can fit into capable function expansion, adopt each loudspeaker to work independently, can form eight scanning beams with the loudspeaker linear array in left side.See Fig. 6 for details.
The multi-beam Feed Horn array of present embodiment not only can realize synthetic aperture radar the strip-type mode of operation, can also realize scanning work pattern and multipolarization mode of operation.
The irregular waveguide 8 of present embodiment is made up of the feed waveguide of 9 sections different sizes and configuration, has connected 9 waveguide mouths of three waveguide type support bars and 9 feed horns of multi-beam Feed Horn array 7 respectively.Because the position of each waveguide mouth and each feed horn is all different with direction, in limited spatial transition, the configuration of irregular waveguide 8 has passed through meticulous optimal design, has guaranteed its microwave transmission characteristic.See Fig. 7 for details.
Claims (9)
1. deployable net-shape antenna of umbrella formula, its structure is:
One base is fixed with a central entity reflecting surface, is with the central entity reflecting surface vertically to be connected with some waveguide type support bars;
Be fixed with a plurality of linkages around the edge of base, connect a radial rib respectively on these a plurality of linkages, make this central entity reflecting surface around be evenly equipped with the radial rib that can draw in or launch;
Be fixed with the reflection silk screen on the radial rib surface, constitute required reflecting surface with the central entity reflecting surface;
Be fixed with the slot type compact heap on the radial rib, be provided with annular in the groove of slot type compact heap and compress rope; Tighten up annular and compress rope radial rib is constrained to rounding state, form the closed loop configuration of head and the tail;
Annular compresses rope and connects a cutter, compresses rope in order to cut off annular, provides driving moment to launch radial rib by this linkage;
A plurality of feed waveguide passages are contained in the inside of waveguide type support bar, are used for microwave transmission and support structure;
Multi-beam Feed Horn array is installed in the top of support bar, is connected with support bar through irregular waveguide, is used to transmit and receive microwave signal.
2. the deployable net-shape antenna of umbrella formula as claimed in claim 1, wherein, this base is the hub-type base.
3. according to claim 1 or claim 2 the deployable net-shape antenna of umbrella formula, wherein, this base is processed by the carbon fiber ring epoxy resin composite material.
4. the deployable net-shape antenna of umbrella formula as claimed in claim 1, wherein, this radial rib is processed by the carbon fiber ring epoxy resin composite material.
5. the deployable net-shape antenna of umbrella formula as claimed in claim 1, wherein, this reflection silk screen is to be sewn on the surface of radial rib.
6. the deployable net-shape antenna of umbrella formula as claimed in claim 1, wherein, this compact heap is a wedge shape slot type compact heap.
7. the deployable net-shape antenna of umbrella formula as claimed in claim 1, wherein, this waveguide type support bar is processed by the carbon fiber ring epoxy resin composite material.
8. the deployable net-shape antenna of umbrella formula as claimed in claim 1, wherein, this multi-beam Feed Horn array is made up of a plurality of loudspeaker.
9. the deployable net-shape antenna of umbrella formula as claimed in claim 1, wherein, this irregular waveguide connects the waveguide mouth of support bar and the feed horn of multi-beam Feed Horn array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105140541A CN102447156A (en) | 2010-10-13 | 2010-10-13 | Umbrella type unfolded reticular antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105140541A CN102447156A (en) | 2010-10-13 | 2010-10-13 | Umbrella type unfolded reticular antenna |
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| CN102447156A true CN102447156A (en) | 2012-05-09 |
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| CN2010105140541A Pending CN102447156A (en) | 2010-10-13 | 2010-10-13 | Umbrella type unfolded reticular antenna |
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| CN102780062A (en) * | 2012-07-26 | 2012-11-14 | 常州亚邦天线有限公司 | Weather radar antenna device |
| CN103560314A (en) * | 2013-11-14 | 2014-02-05 | 哈尔滨工业大学 | Reinforcing framework of flexible parabolic antenna |
| CN103560333A (en) * | 2013-11-14 | 2014-02-05 | 哈尔滨工业大学 | Flexible paraboloid satellite-borne antenna with reinforcing frame |
| CN103682649A (en) * | 2013-12-04 | 2014-03-26 | 上海复合材料科技有限公司 | Novel satellite antenna and composite materials used for same |
| CN103872422A (en) * | 2014-03-24 | 2014-06-18 | 上海交通大学 | Umbrella-shaped unfoldable antenna system |
| CN104241867A (en) * | 2014-09-19 | 2014-12-24 | 上海跃盛信息技术有限公司 | Unfolding mechanism and umbrella-shaped antenna reflector with unfolding mechanism |
| CN104682015A (en) * | 2013-11-26 | 2015-06-03 | 深圳光启创新技术有限公司 | Satellite antenna |
| CN105044878A (en) * | 2015-07-31 | 2015-11-11 | 上海卫星工程研究所 | Foldable and deployable large-aperture optical mirror surface having high acceptance ratio |
| EP2860548A4 (en) * | 2012-06-11 | 2016-04-06 | Bradar Indústria S A | Weather radar system |
| CN105896020A (en) * | 2016-05-05 | 2016-08-24 | 湖南航天环宇通信科技股份有限公司 | Expandable fixed surface antenna |
| CN106207483A (en) * | 2016-06-29 | 2016-12-07 | 西安空间无线电技术研究所 | A kind of multi-fold umbrella reflector |
| CN106785480A (en) * | 2016-11-14 | 2017-05-31 | 上海宇航系统工程研究所 | A kind of radial direction ribbed reflecting surface development mechanism |
| CN107579331A (en) * | 2017-08-10 | 2018-01-12 | 燕山大学 | A kind of umbrella deployable antenna for reflecting surface of synchronously taking down the exhibits |
| CN107658570A (en) * | 2017-08-29 | 2018-02-02 | 西北工业大学 | A kind of solid face reflector antenna of deployable high accuracy |
| CN107732464A (en) * | 2017-08-31 | 2018-02-23 | 西安空间无线电技术研究所 | A kind of design method, system and the medium of multivariable shaped-beam antenna |
| CN107742772A (en) * | 2017-09-25 | 2018-02-27 | 上海卫星工程研究所 | The deployable solid surface antenna development mechanism of petal type |
| CN107768797A (en) * | 2017-10-19 | 2018-03-06 | 西北工业大学 | A kind of spaceborne solid face deployable antenna |
| CN105846044B (en) * | 2016-04-07 | 2018-07-03 | 西安交通大学 | A kind of foldable umbrella antenna structural framework and method of deploying |
| CN108649320A (en) * | 2018-05-11 | 2018-10-12 | 西安空间无线电技术研究所 | A kind of installation method of umbrella antenna metal wire side |
| CN108666729A (en) * | 2018-04-28 | 2018-10-16 | 西安空间无线电技术研究所 | A kind of satellite antenna band high-damping is from check device |
| CN109071041A (en) * | 2016-02-29 | 2018-12-21 | 乐加德公司 | Compact RF film antenna |
| CN110277650A (en) * | 2019-07-10 | 2019-09-24 | 厦门莱慧贸易有限公司 | A kind of Portable satellite aerial for outdoor study |
| CN110474145A (en) * | 2019-07-24 | 2019-11-19 | 西安空间无线电技术研究所 | A kind of novel low PIM umbrella antenna |
| CN110534918A (en) * | 2019-08-08 | 2019-12-03 | 西安电子科技大学 | A kind of major-minor face synchronous expansion umbrella antenna singly driven |
| CN110854542A (en) * | 2019-11-29 | 2020-02-28 | 上海宇航系统工程研究所 | Expandable grid supported folding rib type antenna reflector |
| CN111279554A (en) * | 2017-10-30 | 2020-06-12 | 株式会社Ｑｐｓ研究所 | Reflector, unfolding antenna and spacecraft |
| CN112768952A (en) * | 2020-12-30 | 2021-05-07 | 中国科学院空天信息创新研究院 | Spaceborne cassegrain umbrella type mesh SAR antenna |
| CN113206359A (en) * | 2021-03-27 | 2021-08-03 | 西安电子科技大学 | Central hub coaxially connected with waveguide feed source and application |
| CN113258249A (en) * | 2021-05-18 | 2021-08-13 | 上海宇航系统工程研究所 | On-orbit ultra-large deployable space structure system |
| CN113422193A (en) * | 2021-05-24 | 2021-09-21 | 西安电子科技大学 | Radial rib parabolic cylinder antenna, control method and satellite-borne deployable antenna |
| CN114503361A (en) * | 2019-09-24 | 2022-05-13 | 空中客车防务及航天股份有限公司 | Antenna deployable assembly |
| CN116646745A (en) * | 2023-07-27 | 2023-08-25 | 银河航天(西安)科技有限公司 | Phased array antenna |
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| EP2860548A4 (en) * | 2012-06-11 | 2016-04-06 | Bradar Indústria S A | Weather radar system |
| CN102780062A (en) * | 2012-07-26 | 2012-11-14 | 常州亚邦天线有限公司 | Weather radar antenna device |
| CN103560333B (en) * | 2013-11-14 | 2015-07-15 | 哈尔滨工业大学 | Flexible paraboloid satellite-borne antenna with reinforcing frame |
| CN103560314A (en) * | 2013-11-14 | 2014-02-05 | 哈尔滨工业大学 | Reinforcing framework of flexible parabolic antenna |
| CN103560333A (en) * | 2013-11-14 | 2014-02-05 | 哈尔滨工业大学 | Flexible paraboloid satellite-borne antenna with reinforcing frame |
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| CN104682015A (en) * | 2013-11-26 | 2015-06-03 | 深圳光启创新技术有限公司 | Satellite antenna |
| CN103682649A (en) * | 2013-12-04 | 2014-03-26 | 上海复合材料科技有限公司 | Novel satellite antenna and composite materials used for same |
| CN103872422B (en) * | 2014-03-24 | 2016-03-09 | 上海交通大学 | Umbrella deployable antenna system |
| CN103872422A (en) * | 2014-03-24 | 2014-06-18 | 上海交通大学 | Umbrella-shaped unfoldable antenna system |
| CN104241867A (en) * | 2014-09-19 | 2014-12-24 | 上海跃盛信息技术有限公司 | Unfolding mechanism and umbrella-shaped antenna reflector with unfolding mechanism |
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| CN105044878A (en) * | 2015-07-31 | 2015-11-11 | 上海卫星工程研究所 | Foldable and deployable large-aperture optical mirror surface having high acceptance ratio |
| CN109071041B (en) * | 2016-02-29 | 2022-08-23 | 乐加德公司 | Compact RF film antenna |
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| CN105896020A (en) * | 2016-05-05 | 2016-08-24 | 湖南航天环宇通信科技股份有限公司 | Expandable fixed surface antenna |
| CN105896020B (en) * | 2016-05-05 | 2018-07-24 | 湖南航天环宇通信科技股份有限公司 | Deployable solid surface antenna |
| CN106207483B (en) * | 2016-06-29 | 2018-12-21 | 西安空间无线电技术研究所 | A kind of multi-fold umbrella reflector |
| CN106207483A (en) * | 2016-06-29 | 2016-12-07 | 西安空间无线电技术研究所 | A kind of multi-fold umbrella reflector |
| CN106785480A (en) * | 2016-11-14 | 2017-05-31 | 上海宇航系统工程研究所 | A kind of radial direction ribbed reflecting surface development mechanism |
| CN106785480B (en) * | 2016-11-14 | 2019-08-23 | 上海宇航系统工程研究所 | A kind of radial direction ribbed reflecting surface unfolding mechanism |
| CN107579331B (en) * | 2017-08-10 | 2019-10-11 | 燕山大学 | A kind of umbrella deployable antenna synchronizing reflecting surface of taking down the exhibits |
| CN107579331A (en) * | 2017-08-10 | 2018-01-12 | 燕山大学 | A kind of umbrella deployable antenna for reflecting surface of synchronously taking down the exhibits |
| CN107658570A (en) * | 2017-08-29 | 2018-02-02 | 西北工业大学 | A kind of solid face reflector antenna of deployable high accuracy |
| CN107658570B (en) * | 2017-08-29 | 2020-10-27 | 西北工业大学 | Deployable high-precision solid-surface reflecting surface antenna |
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| CN107742772B (en) * | 2017-09-25 | 2019-10-29 | 上海卫星工程研究所 | The deployable solid surface antenna unfolding mechanism of petal type |
| CN107768797A (en) * | 2017-10-19 | 2018-03-06 | 西北工业大学 | A kind of spaceborne solid face deployable antenna |
| CN107768797B (en) * | 2017-10-19 | 2020-04-03 | 西北工业大学 | Satellite-borne solid surface deployable antenna |
| CN111279554A (en) * | 2017-10-30 | 2020-06-12 | 株式会社Ｑｐｓ研究所 | Reflector, unfolding antenna and spacecraft |
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| CN110277650B (en) * | 2019-07-10 | 2023-07-28 | 上海高博航空制造有限公司 | Portable satellite antenna for outdoor operation |
| CN110474145A (en) * | 2019-07-24 | 2019-11-19 | 西安空间无线电技术研究所 | A kind of novel low PIM umbrella antenna |
| CN110474145B (en) * | 2019-07-24 | 2020-11-20 | 西安空间无线电技术研究所 | Novel low PIM umbrella antenna |
| CN110534918A (en) * | 2019-08-08 | 2019-12-03 | 西安电子科技大学 | A kind of major-minor face synchronous expansion umbrella antenna singly driven |
| CN114503361A (en) * | 2019-09-24 | 2022-05-13 | 空中客车防务及航天股份有限公司 | Antenna deployable assembly |
| CN110854542A (en) * | 2019-11-29 | 2020-02-28 | 上海宇航系统工程研究所 | Expandable grid supported folding rib type antenna reflector |
| CN110854542B (en) * | 2019-11-29 | 2021-06-18 | 上海宇航系统工程研究所 | Expandable grid supported folding rib type antenna reflector |
| CN112768952B (en) * | 2020-12-30 | 2022-06-03 | 中国科学院空天信息创新研究院 | Spaceborne cassegrain umbrella type mesh SAR antenna |
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| CN113206359A (en) * | 2021-03-27 | 2021-08-03 | 西安电子科技大学 | Central hub coaxially connected with waveguide feed source and application |
| CN113258249A (en) * | 2021-05-18 | 2021-08-13 | 上海宇航系统工程研究所 | On-orbit ultra-large deployable space structure system |
| CN113422193A (en) * | 2021-05-24 | 2021-09-21 | 西安电子科技大学 | Radial rib parabolic cylinder antenna, control method and satellite-borne deployable antenna |
| CN116646745A (en) * | 2023-07-27 | 2023-08-25 | 银河航天(西安)科技有限公司 | Phased array antenna |
| CN116646745B (en) * | 2023-07-27 | 2023-10-24 | 银河航天(西安)科技有限公司 | Phased array antenna |
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Application publication date: 20120509 |