IT1404265B1 - Sistema d'antenna per satelliti in orbita bassa - Google Patents
Sistema d'antenna per satelliti in orbita bassaInfo
- Publication number
- IT1404265B1 IT1404265B1 ITTO2011A000074A ITTO20110074A IT1404265B1 IT 1404265 B1 IT1404265 B1 IT 1404265B1 IT TO2011A000074 A ITTO2011A000074 A IT TO2011A000074A IT TO20110074 A ITTO20110074 A IT TO20110074A IT 1404265 B1 IT1404265 B1 IT 1404265B1
- Authority
- IT
- Italy
- Prior art keywords
- satellites
- antenna system
- low orbit
- orbit
- low
- Prior art date
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
- H01Q3/2658—Phased-array fed focussing structure
-
- 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
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/147—Reflecting surfaces; Equivalent structures provided with means for controlling or monitoring the shape of the reflecting surface
-
- 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
- H01Q19/10—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 reflecting surfaces
- H01Q19/12—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 reflecting surfaces wherein the surfaces are concave
- H01Q19/17—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 reflecting surfaces wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
-
- 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
- H01Q19/10—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 reflecting surfaces
- H01Q19/12—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 reflecting surfaces wherein the surfaces are concave
- H01Q19/17—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 reflecting surfaces wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
- H01Q19/175—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 reflecting surfaces wherein the surfaces are concave the primary radiating source comprising two or more radiating elements arrayed along the focal line of a cylindrical focusing surface
-
- 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
- H01Q19/10—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 reflecting surfaces
- H01Q19/18—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 reflecting surfaces having two or more spaced reflecting surfaces
- H01Q19/19—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 reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
-
- 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
- H01Q19/10—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 reflecting surfaces
- H01Q19/18—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 reflecting surfaces having two or more spaced reflecting surfaces
- H01Q19/19—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 reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
- H01Q19/192—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 reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface with dual offset reflectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device
-
- 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
- H01Q3/2664—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 electrically moving the phase centre of a radiating element in the focal plane of a focussing device
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Relay Systems (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO2011A000074A IT1404265B1 (it) | 2011-01-28 | 2011-01-28 | Sistema d'antenna per satelliti in orbita bassa |
EP12153175.0A EP2485328B1 (en) | 2011-01-28 | 2012-01-30 | Antenna system for low-earth-orbit satellites |
US13/361,146 US9054414B2 (en) | 2011-01-28 | 2012-01-30 | Antenna system for low-earth-orbit satellites |
ES12153175T ES2706425T3 (es) | 2011-01-28 | 2012-01-30 | Sistema de antenas para satélites de la órbita baja terrestre |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO2011A000074A IT1404265B1 (it) | 2011-01-28 | 2011-01-28 | Sistema d'antenna per satelliti in orbita bassa |
Publications (2)
Publication Number | Publication Date |
---|---|
ITTO20110074A1 ITTO20110074A1 (it) | 2012-07-29 |
IT1404265B1 true IT1404265B1 (it) | 2013-11-15 |
Family
ID=43975654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO2011A000074A IT1404265B1 (it) | 2011-01-28 | 2011-01-28 | Sistema d'antenna per satelliti in orbita bassa |
Country Status (4)
Country | Link |
---|---|
US (1) | US9054414B2 (it) |
EP (1) | EP2485328B1 (it) |
ES (1) | ES2706425T3 (it) |
IT (1) | IT1404265B1 (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140028494A1 (en) * | 2012-07-26 | 2014-01-30 | The Aerospace Corporation | Virtual Aperture Radar |
US9246234B2 (en) * | 2013-09-24 | 2016-01-26 | Northrop Grumman Systems Corporation | Antenna for multiple frequency bands |
JP6586060B2 (ja) * | 2016-08-26 | 2019-10-02 | 日本電信電話株式会社 | 反射板 |
FR3067535B1 (fr) * | 2017-06-09 | 2023-03-03 | Airbus Defence & Space Sas | Satellite de telecommunications, procede de formation de faisceaux et procede de fabrication d’une charge utile de satellite |
FR3073347B1 (fr) * | 2017-11-08 | 2021-03-19 | Airbus Defence & Space Sas | Charge utile de satellite comportant un reflecteur a double surface reflechissante |
EP3729560B1 (en) * | 2017-12-19 | 2023-11-22 | Lockheed Martin Corporation | Wide scan phased array fed reflector systems |
RU2727860C1 (ru) * | 2019-05-24 | 2020-07-24 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский национальный исследовательский технический университет им. А.Н. Туполева - КАИ" | Способ стабилизации лучей спутниковой многолучевой гибридной зеркальной антенны по сигналам от смещенных наземных маяков |
US11881625B1 (en) * | 2020-10-06 | 2024-01-23 | Lockheed Martin Corporation | Phased array feed reflector collar and paraconic ground plane |
EP4250489B1 (en) * | 2021-01-04 | 2025-03-05 | Huawei Technologies Co., Ltd. | Dual-reflector antenna and control method therefor, and communication system |
EP4298737A4 (en) | 2021-02-24 | 2024-12-04 | BlueHalo LLC | System and method for a digitally beamformed phased array feed |
CN113113783A (zh) * | 2021-03-09 | 2021-07-13 | 北京航空航天大学 | 一种适用于高速飞行器头部的高增益共型天线 |
US12051853B2 (en) * | 2021-12-30 | 2024-07-30 | The Boeing Company | Confocal antenna system |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2523375A1 (fr) * | 1982-03-10 | 1983-09-16 | Europ Agence Spatiale | Dispositif de compensation des distorsions des reflecteurs pour antennes de reception et/ou transmission d'ondes a faisceaux multiples |
JPS58177006A (ja) * | 1982-04-09 | 1983-10-17 | Nippon Telegr & Teleph Corp <Ntt> | 反射鏡アンテナ |
FR2548836B1 (fr) * | 1983-07-08 | 1986-02-21 | Thomson Csf | Antenne a couverture quasi torique a deux reflecteurs |
DE3533204A1 (de) * | 1985-09-18 | 1987-03-19 | Standard Elektrik Lorenz Ag | Antenne mit einem hauptreflektor und einem hilfsreflektor |
FR2616612B3 (fr) * | 1987-06-11 | 1990-10-26 | Broadcast Television Syst | Generateur pour former des signaux de plaques de roues pour la transmission de luminance et de chrominance |
IT1272984B (it) * | 1994-05-17 | 1997-07-01 | Space Eng Srl | Antenna a riflettore o a lente, a fasci sagomati o a scansione di fascio |
US6266024B1 (en) * | 1998-12-23 | 2001-07-24 | Hughes Electronics Corporation | Rotatable and scannable reconfigurable shaped reflector with a movable feed system |
US6215452B1 (en) * | 1999-01-15 | 2001-04-10 | Trw Inc. | Compact front-fed dual reflector antenna system for providing adjacent, high gain antenna beams |
US6842157B2 (en) * | 2001-07-23 | 2005-01-11 | Harris Corporation | Antenna arrays formed of spiral sub-array lattices |
US6580399B1 (en) * | 2002-01-11 | 2003-06-17 | Northrop Grumman Corporation | Antenna system having positioning mechanism for reflector |
US6943745B2 (en) * | 2003-03-31 | 2005-09-13 | The Boeing Company | Beam reconfiguration method and apparatus for satellite antennas |
EP1709707A1 (en) * | 2003-12-31 | 2006-10-11 | Brunello Locatori | Method and device for tv receiving and internet transreceiving on a satelite antenna |
US7315279B1 (en) * | 2004-09-07 | 2008-01-01 | Lockheed Martin Corporation | Antenna system for producing variable-size beams |
US7466287B1 (en) * | 2006-02-22 | 2008-12-16 | Lockheed Martin Corporation | Sparse trifilar array antenna |
RU2380802C1 (ru) * | 2008-11-17 | 2010-01-27 | Джи-хо Ан | Компактная многолучевая зеркальная антенна |
-
2011
- 2011-01-28 IT ITTO2011A000074A patent/IT1404265B1/it active
-
2012
- 2012-01-30 US US13/361,146 patent/US9054414B2/en active Active
- 2012-01-30 ES ES12153175T patent/ES2706425T3/es active Active
- 2012-01-30 EP EP12153175.0A patent/EP2485328B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US9054414B2 (en) | 2015-06-09 |
EP2485328A1 (en) | 2012-08-08 |
US20120242539A1 (en) | 2012-09-27 |
EP2485328B1 (en) | 2018-11-21 |
ITTO20110074A1 (it) | 2012-07-29 |
ES2706425T3 (es) | 2019-03-28 |
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