DE69905540D1 - Antennenanordnung für Satelliten auf niedriger und mittlerer Umlaufbahn - Google Patents
Antennenanordnung für Satelliten auf niedriger und mittlerer UmlaufbahnInfo
- Publication number
- DE69905540D1 DE69905540D1 DE69905540T DE69905540T DE69905540D1 DE 69905540 D1 DE69905540 D1 DE 69905540D1 DE 69905540 T DE69905540 T DE 69905540T DE 69905540 T DE69905540 T DE 69905540T DE 69905540 D1 DE69905540 D1 DE 69905540D1
- Authority
- DE
- Germany
- Prior art keywords
- satellites
- low
- antenna arrangement
- medium orbit
- orbit
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/06—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
- H01Q19/08—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens for modifying the radiation pattern of a radiating horn in which it is located
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/196,864 US6184838B1 (en) | 1998-11-20 | 1998-11-20 | Antenna configuration for low and medium earth orbit satellites |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69905540D1 true DE69905540D1 (de) | 2003-04-03 |
DE69905540T2 DE69905540T2 (de) | 2003-12-18 |
Family
ID=22727082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69905540T Expired - Lifetime DE69905540T2 (de) | 1998-11-20 | 1999-11-19 | Antennenanordnung für Satelliten auf niedriger und mittlerer Umlaufbahn |
Country Status (4)
Country | Link |
---|---|
US (2) | US6184838B1 (de) |
EP (1) | EP1003241B1 (de) |
DE (1) | DE69905540T2 (de) |
ES (1) | ES2189338T3 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10205379A1 (de) * | 2002-02-09 | 2003-08-21 | Bosch Gmbh Robert | Vorrichtung zum Senden und Empfangen elektromagnetischer Strahlung |
JP2004158911A (ja) * | 2002-11-01 | 2004-06-03 | Murata Mfg Co Ltd | セクタアンテナ装置および車載用送受信装置 |
US6961025B1 (en) * | 2003-08-18 | 2005-11-01 | Lockheed Martin Corporation | High-gain conformal array antenna |
US7193574B2 (en) * | 2004-10-18 | 2007-03-20 | Interdigital Technology Corporation | Antenna for controlling a beam direction both in azimuth and elevation |
US20070036353A1 (en) * | 2005-05-31 | 2007-02-15 | Interdigital Technology Corporation | Authentication and encryption methods using shared secret randomness in a joint channel |
US20090201204A1 (en) * | 2008-02-05 | 2009-08-13 | Ems Technologies, Inc. | Modal beam positioning |
US8249306B2 (en) | 2008-03-18 | 2012-08-21 | Certusview Technologies, Llc | Virtual white lines for delimiting planned excavation sites |
US10135137B2 (en) | 2015-02-20 | 2018-11-20 | Northrop Grumman Systems Corporation | Low cost space-fed reconfigurable phased array for spacecraft and aircraft applications |
EP3500873A4 (de) * | 2016-08-20 | 2020-08-12 | Astrome Technologies Private Limited | System und verfahren zur integrierten optimierung von design und leistung von satellitenkonstellationen |
CN112164885B (zh) * | 2020-08-24 | 2022-10-14 | 西安空间无线电技术研究所 | 一种基于多馈源合成网络的幅相优化设计方法 |
CN112422170B (zh) * | 2020-11-09 | 2022-10-28 | 大连交通大学 | 双频段射频设备近场自动化检测方法 |
CN112526512B (zh) * | 2020-11-23 | 2022-07-22 | 电子科技大学 | 大功率大口径宽带毫米波空馈相控阵雷达系统及成像方法 |
USD1026428S1 (en) * | 2021-11-10 | 2024-05-14 | Puma SE | Shoe |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3835469A (en) * | 1972-11-02 | 1974-09-10 | Hughes Aircraft Co | Optical limited scan antenna system |
DE2738549A1 (de) | 1977-08-26 | 1979-03-01 | Licentia Gmbh | Mikrowellen-antenne |
US5099253A (en) | 1989-11-06 | 1992-03-24 | Raytheon Company | Constant beamwidth scanning array |
FR2679704B1 (fr) * | 1991-07-26 | 1993-09-24 | Alcatel Espace | Antenne-reseau pour ondes hyperfrequences. |
US5703603A (en) | 1994-04-28 | 1997-12-30 | Tovarischestvo S Ogranichennoi Otvetstvennostju "Konkur" | Multi-beam lens antenna |
US5821908A (en) * | 1996-03-22 | 1998-10-13 | Ball Aerospace And Technologies Corp. | Spherical lens antenna having an electronically steerable beam |
FR2762936B1 (fr) | 1997-04-30 | 1999-06-11 | Alsthom Cge Alcatel | Dispositif terminal-antenne pour constellation de satellites defilants |
-
1998
- 1998-11-20 US US09/196,864 patent/US6184838B1/en not_active Expired - Lifetime
-
1999
- 1999-11-19 EP EP99123001A patent/EP1003241B1/de not_active Expired - Lifetime
- 1999-11-19 ES ES99123001T patent/ES2189338T3/es not_active Expired - Lifetime
- 1999-11-19 DE DE69905540T patent/DE69905540T2/de not_active Expired - Lifetime
-
2000
- 2000-06-08 US US09/590,325 patent/US6323815B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1003241A1 (de) | 2000-05-24 |
US6323815B1 (en) | 2001-11-27 |
ES2189338T3 (es) | 2003-07-01 |
US6184838B1 (en) | 2001-02-06 |
DE69905540T2 (de) | 2003-12-18 |
EP1003241B1 (de) | 2003-02-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: WITTE, WELLER & PARTNER, 70178 STUTTGART |