DE69003215D1 - Speiseeinrichtung für eine Mehrkeulenantenne. - Google Patents

Speiseeinrichtung für eine Mehrkeulenantenne.

Info

Publication number
DE69003215D1
DE69003215D1 DE90402633T DE69003215T DE69003215D1 DE 69003215 D1 DE69003215 D1 DE 69003215D1 DE 90402633 T DE90402633 T DE 90402633T DE 69003215 T DE69003215 T DE 69003215T DE 69003215 D1 DE69003215 D1 DE 69003215D1
Authority
DE
Germany
Prior art keywords
feeding device
lobe antenna
lobe
antenna
feeding
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 - Fee Related
Application number
DE90402633T
Other languages
English (en)
Other versions
DE69003215T2 (de
Inventor
Antoine Roederer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agence Spatiale Europeenne
Original Assignee
Agence Spatiale Europeenne
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Agence Spatiale Europeenne filed Critical Agence Spatiale Europeenne
Publication of DE69003215D1 publication Critical patent/DE69003215D1/de
Application granted granted Critical
Publication of DE69003215T2 publication Critical patent/DE69003215T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
    • H03F3/602—Combinations of several amplifiers
    • 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
    • H01Q3/2658—Phased-array fed focussing structure
    • 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
    • H01Q3/30—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 varying the relative phase between the radiating elements of an array
    • H01Q3/34—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 varying the relative phase between the radiating elements of an array by electrical means
    • H01Q3/40—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 varying the relative phase between the radiating elements of an array by electrical means with phasing matrix
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/198—A hybrid coupler being used as coupling circuit between stages of an amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/372—Noise reduction and elimination in amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)
DE90402633T 1989-09-26 1990-09-25 Speiseeinrichtung für eine Mehrkeulenantenne. Expired - Fee Related DE69003215T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8912584A FR2652452B1 (fr) 1989-09-26 1989-09-26 Dispositif d'alimentation d'une antenne a faisceaux multiples.

Publications (2)

Publication Number Publication Date
DE69003215D1 true DE69003215D1 (de) 1993-10-14
DE69003215T2 DE69003215T2 (de) 1994-01-05

Family

ID=9385823

Family Applications (1)

Application Number Title Priority Date Filing Date
DE90402633T Expired - Fee Related DE69003215T2 (de) 1989-09-26 1990-09-25 Speiseeinrichtung für eine Mehrkeulenantenne.

Country Status (6)

Country Link
US (1) US5115248A (de)
EP (1) EP0420739B1 (de)
JP (1) JP2662084B2 (de)
CA (1) CA2026066C (de)
DE (1) DE69003215T2 (de)
FR (1) FR2652452B1 (de)

Families Citing this family (127)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5055798A (en) * 1990-10-09 1991-10-08 Hughes Aircraft Company Hybrid matrix amplifier systems, and methods for making thermally-balanced hybrid matrix amplifier systems
FR2670052B1 (fr) * 1990-11-29 1993-07-30 Alcatel Espace Antenne emission reconfigurable.
US5289193A (en) * 1990-11-29 1994-02-22 Alcatel Espace Reconfigurable transmission antenna
US5548294A (en) * 1994-08-17 1996-08-20 Teledesic Corporation Dielectric lens focused scanning beam antenna for satellite communication system
EP0611501B1 (de) * 1991-11-08 1996-12-18 Teledesic Corporation Strahlkompensationsverfahren für satellitenkommunikationssystem
US5506589A (en) * 1993-04-09 1996-04-09 Hughes Aircraft Company Monopulse array system with air-stripline multi-port network
US5818397A (en) * 1993-09-10 1998-10-06 Radio Frequency Systems, Inc. Circularly polarized horizontal beamwidth antenna having binary feed network with microstrip transmission line
GB2288913B (en) 1994-04-18 1999-02-24 Int Maritime Satellite Organiz Satellite payload apparatus with beamformer
FR2719948B1 (fr) * 1994-05-10 1996-07-19 Dassault Electronique Antenne multi-faisceaux pour la réception de micro-ondes émanant de plusieurs satellites.
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
JPH0884022A (ja) * 1994-09-12 1996-03-26 Uchu Tsushin Kiso Gijutsu Kenkyusho:Kk マルチビーム送信系
FR2728366A1 (fr) * 1994-12-19 1996-06-21 Europ Agence Spatiale Reseau conformateur de faisceaux pour antenne radiofrequence mettant en oeuvre la transformee de fourier rapide et structure materielle implantant un tel reseau, notamment pour les applications spatiales
US5589843A (en) * 1994-12-28 1996-12-31 Radio Frequency Systems, Inc. Antenna system with tapered aperture antenna and microstrip phase shifting feed network
FR2729505A1 (fr) * 1995-01-18 1996-07-19 Alcatel Espace Antenne multifaisceaux forte capacite a balayage electronique en emission
EP0727839A1 (de) * 1995-02-16 1996-08-21 SPACE ENGINEERING S.p.A. Direktstrahlende Gruppenantenne mit multigeformter Strahlungskeule
FR2732163B1 (fr) * 1995-03-20 1997-05-30 Europ Agence Spatiale Dispositif d'alimentation d'une antenne multisources et multifaisceaux
US5751250A (en) * 1995-10-13 1998-05-12 Lucent Technologies, Inc. Low distortion power sharing amplifier network
US5604462A (en) * 1995-11-17 1997-02-18 Lucent Technologies Inc. Intermodulation distortion detection in a power shared amplifier network
US5646631A (en) * 1995-12-15 1997-07-08 Lucent Technologies Inc. Peak power reduction in power sharing amplifier networks
US5734345A (en) * 1996-04-23 1998-03-31 Trw Inc. Antenna system for controlling and redirecting communications beams
US5784030A (en) * 1996-06-06 1998-07-21 Hughes Electronics Corporation Calibration method for satellite communications payloads using hybrid matrices
US5818388A (en) * 1996-06-06 1998-10-06 Hughes Electronics Corporation Satellite communications apparatus using active redundancy
SE505476C2 (sv) * 1996-06-12 1997-09-01 Ericsson Telefon Ab L M Anordning och förfarande vid signalöverföring
US5689272A (en) * 1996-07-29 1997-11-18 Motorola, Inc. Method and system for producing antenna element signals for varying an antenna array pattern
US6018316A (en) * 1997-01-24 2000-01-25 Ail Systems, Inc. Multiple beam antenna system and method
US6240072B1 (en) 1997-04-07 2001-05-29 Nortel Networks Limited Piecewise coherent beamforming for satellite communications
US6016124A (en) * 1997-04-07 2000-01-18 Nortel Networks Corporation Digital beamforming in a satellite communication system
US6072432A (en) * 1997-05-02 2000-06-06 Radio Frequency Systems, Inc. Hybrid power tapered/space tapered multi-beam antenna
US6046701A (en) * 1997-11-03 2000-04-04 Spike Technologies, Inc. Apparatus for high-performance sectored antenna system
US5949370A (en) * 1997-11-07 1999-09-07 Space Systems/Loral, Inc. Positionable satellite antenna with reconfigurable beam
DE19756363A1 (de) * 1997-12-18 1999-06-24 Cit Alcatel Antennenspeiseanordnung
US6377558B1 (en) * 1998-04-06 2002-04-23 Ericsson Inc. Multi-signal transmit array with low intermodulation
US5936588A (en) * 1998-06-05 1999-08-10 Rao; Sudhakar K. Reconfigurable multiple beam satellite phased array antenna
US5936592A (en) * 1998-06-05 1999-08-10 Ramanujam; Parthasarathy Reconfigurable multiple beam satellite reflector antenna with an array feed
US6169525B1 (en) 1998-09-10 2001-01-02 Spike Technologies, Inc. High-performance sectored antenna system using low profile broadband feed devices
DE19917202A1 (de) 1999-04-16 2000-10-19 Bosch Gmbh Robert Multibeam-Phasenarray-Antenneneinrichtung
US6337659B1 (en) 1999-10-25 2002-01-08 Gamma Nu, Inc. Phased array base station antenna system having distributed low power amplifiers
US6445343B1 (en) 2000-02-16 2002-09-03 Hughes Electronics Corporation Antenna element array alignment system
FR2806214B1 (fr) 2000-03-10 2003-08-01 Agence Spatiale Europeenne Antenne reflectrice comportant une pluralite de panneaux
US6577879B1 (en) * 2000-06-21 2003-06-10 Telefonaktiebolaget Lm Ericsson (Publ) System and method for simultaneous transmission of signals in multiple beams without feeder cable coherency
FR2811480B1 (fr) * 2000-07-06 2006-09-08 Cit Alcatel Antenne de telecommunication destinee a couvrir une large zone terrestre
CN100409486C (zh) * 2000-07-10 2008-08-06 安德鲁公司 蜂窝天线
US6577282B1 (en) 2000-07-19 2003-06-10 Hughes Electronics Corporation Method and apparatus for zooming and reconfiguring circular beams for satellite communications
US9130810B2 (en) 2000-09-13 2015-09-08 Qualcomm Incorporated OFDM communications methods and apparatus
US7295509B2 (en) 2000-09-13 2007-11-13 Qualcomm, Incorporated Signaling method in an OFDM multiple access system
FR2826511B1 (fr) * 2001-06-21 2003-12-19 Cit Alcatel Procede de repointage pour antenne reseau a reflecteur
US7639196B2 (en) * 2001-07-10 2009-12-29 Andrew Llc Cellular antenna and systems and methods therefor
US6868043B1 (en) * 2003-02-20 2005-03-15 Bbnt Solutions Llc Beam broadening with maximum power in array transducers
US6992621B2 (en) * 2003-03-07 2006-01-31 Vivato, Inc. Wireless communication and beam forming with passive beamformers
US6943745B2 (en) 2003-03-31 2005-09-13 The Boeing Company Beam reconfiguration method and apparatus for satellite antennas
DE10319063B4 (de) * 2003-04-25 2009-09-03 Astrium Gmbh Verfahren zur Erzeugung von mehreren SAR-Sendestrahlen und SAR-Antennensystem
US8018390B2 (en) * 2003-06-16 2011-09-13 Andrew Llc Cellular antenna and systems and methods therefor
US7427962B2 (en) * 2003-06-16 2008-09-23 Andrew Corporation Base station antenna rotation mechanism
US6965279B2 (en) * 2003-07-18 2005-11-15 Ems Technologies, Inc. Double-sided, edge-mounted stripline signal processing modules and modular network
US7038621B2 (en) * 2003-08-06 2006-05-02 Kathrein-Werke Kg Antenna arrangement with adjustable radiation pattern and method of operation
US20050030248A1 (en) * 2003-08-06 2005-02-10 Kathrein-Werke Kg, Antenna arrangement
DE10336071B3 (de) * 2003-08-06 2005-03-03 Kathrein-Werke Kg Antennenanordnung sowie Verfahren insbesondere zu deren Betrieb
US9137822B2 (en) 2004-07-21 2015-09-15 Qualcomm Incorporated Efficient signaling over access channel
US9148256B2 (en) 2004-07-21 2015-09-29 Qualcomm Incorporated Performance based rank prediction for MIMO design
US7315279B1 (en) * 2004-09-07 2008-01-01 Lockheed Martin Corporation Antenna system for producing variable-size beams
US9246560B2 (en) 2005-03-10 2016-01-26 Qualcomm Incorporated Systems and methods for beamforming and rate control in a multi-input multi-output communication systems
US9154211B2 (en) 2005-03-11 2015-10-06 Qualcomm Incorporated Systems and methods for beamforming feedback in multi antenna communication systems
US8446892B2 (en) 2005-03-16 2013-05-21 Qualcomm Incorporated Channel structures for a quasi-orthogonal multiple-access communication system
US9461859B2 (en) 2005-03-17 2016-10-04 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9520972B2 (en) 2005-03-17 2016-12-13 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9143305B2 (en) 2005-03-17 2015-09-22 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9184870B2 (en) 2005-04-01 2015-11-10 Qualcomm Incorporated Systems and methods for control channel signaling
US9408220B2 (en) 2005-04-19 2016-08-02 Qualcomm Incorporated Channel quality reporting for adaptive sectorization
US9036538B2 (en) 2005-04-19 2015-05-19 Qualcomm Incorporated Frequency hopping design for single carrier FDMA systems
US8879511B2 (en) 2005-10-27 2014-11-04 Qualcomm Incorporated Assignment acknowledgement for a wireless communication system
US8565194B2 (en) 2005-10-27 2013-10-22 Qualcomm Incorporated Puncturing signaling channel for a wireless communication system
US8611284B2 (en) 2005-05-31 2013-12-17 Qualcomm Incorporated Use of supplemental assignments to decrement resources
US8462859B2 (en) 2005-06-01 2013-06-11 Qualcomm Incorporated Sphere decoding apparatus
US9179319B2 (en) 2005-06-16 2015-11-03 Qualcomm Incorporated Adaptive sectorization in cellular systems
US8599945B2 (en) 2005-06-16 2013-12-03 Qualcomm Incorporated Robust rank prediction for a MIMO system
US8885628B2 (en) 2005-08-08 2014-11-11 Qualcomm Incorporated Code division multiplexing in a single-carrier frequency division multiple access system
US7741997B1 (en) * 2005-08-17 2010-06-22 Lockheed Martin Corporation Multiple-beam phased array with switchable element areas
US20070041457A1 (en) 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
US9209956B2 (en) 2005-08-22 2015-12-08 Qualcomm Incorporated Segment sensitive scheduling
US8644292B2 (en) 2005-08-24 2014-02-04 Qualcomm Incorporated Varied transmission time intervals for wireless communication system
US9136974B2 (en) 2005-08-30 2015-09-15 Qualcomm Incorporated Precoding and SDMA support
US9225416B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Varied signaling channels for a reverse link in a wireless communication system
US9210651B2 (en) 2005-10-27 2015-12-08 Qualcomm Incorporated Method and apparatus for bootstraping information in a communication system
US9144060B2 (en) 2005-10-27 2015-09-22 Qualcomm Incorporated Resource allocation for shared signaling channels
US8045512B2 (en) 2005-10-27 2011-10-25 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US9172453B2 (en) 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
US9225488B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Shared signaling channel
US8582509B2 (en) 2005-10-27 2013-11-12 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US8693405B2 (en) 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
US8477684B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Acknowledgement of control messages in a wireless communication system
US9088384B2 (en) 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems
US8582548B2 (en) 2005-11-18 2013-11-12 Qualcomm Incorporated Frequency division multiple access schemes for wireless communication
US8354956B2 (en) 2006-01-13 2013-01-15 Lockheed Martin Corporation Space segment payload architecture for mobile satellite services (MSS) systems
US7710340B2 (en) * 2006-01-13 2010-05-04 Lockheed Martin Corporation Reconfigurable payload using non-focused reflector antenna for HIEO and GEO satellites
US20090061941A1 (en) * 2006-03-17 2009-03-05 Steve Clark Telecommunications antenna monitoring system
US9014619B2 (en) * 2006-05-30 2015-04-21 Atc Technologies, Llc Methods and systems for satellite communications employing ground-based beam forming with spatially distributed hybrid matrix amplifiers
ES2398702T3 (es) * 2006-09-26 2013-03-21 Eutelsat Sa Sistema de carga útil para satélites
US7839235B2 (en) * 2007-05-24 2010-11-23 Huawei Technologies Co., Ltd. Feed network device, antenna feeder subsystem, and base station system
US20090201204A1 (en) * 2008-02-05 2009-08-13 Ems Technologies, Inc. Modal beam positioning
US8380531B2 (en) * 2008-07-25 2013-02-19 Invivodata, Inc. Clinical trial endpoint development process
US8670778B2 (en) * 2008-09-29 2014-03-11 Qualcomm Incorporated Dynamic sectors in a wireless communication system
US9634388B2 (en) * 2008-10-13 2017-04-25 Elektrobit Wireless Communications Oy Antenna beam
EP3686990B1 (de) * 2008-11-20 2023-06-14 CommScope Technologies LLC Doppelstrahlsektorantenne und array damit
FR2953341B1 (fr) * 2009-12-02 2011-12-09 Centre Nat Etd Spatiales Dispositif d'amplification de puissance de charge utile d'un satellite multifaisceaux de diffusion de donnees
TWI429137B (zh) * 2010-02-05 2014-03-01 Ralink Technology Corp 用於智慧型天線之饋入裝置
FR2965412B1 (fr) * 2010-09-24 2013-03-22 Thales Sa Systeme antennaire a deux grilles de spots a mailles complementaires imbriquees
FR2993716B1 (fr) * 2012-07-20 2016-09-02 Thales Sa Antenne d'emission et de reception multifaisceaux a plusieurs sources par faisceau, systeme d'antennes et systeme de telecommunication par satellite comportant une telle antenne
FR2993715B1 (fr) * 2012-07-20 2017-03-10 Thales Sa Source radiofrequence compacte, antenne et systeme d'antennes multifaisceaux comportant de telles sources compactes et systeme de telecommunication par satellite comportant au moins une telle antenne
US9395727B1 (en) 2013-03-22 2016-07-19 Google Inc. Single layer shared aperture beam forming network
KR102087793B1 (ko) 2013-07-05 2020-04-14 한국전자통신연구원 다중 빔 안테나 시스템 및 이의 출력 전력 제어 방법
US9831549B2 (en) * 2014-08-15 2017-11-28 Honeywell International Inc. Systems and methods for high power microwave combining and switching
US10347986B2 (en) * 2015-03-19 2019-07-09 European Space Agency (Esa) Reconfigurable RF front end circuit for a multi-beam array fed reflector antenna system
CA2992741A1 (en) 2015-07-16 2017-01-19 The Arizona Board Of Regents On Behalf Of The University Of Arizona Phased array line feed for a reflector antenna
DE102015013060B4 (de) 2015-10-06 2018-08-09 KATHREIN Sachsen GmbH Antennenspeisenetzwerk
US10362493B2 (en) 2015-12-17 2019-07-23 Legba, Inc. High-bandwidth beamforming LTE Base Station
US10158170B2 (en) * 2016-01-25 2018-12-18 International Business Machines Corporation Two-dimensional scanning cylindrical reflector
US10199742B2 (en) * 2016-04-19 2019-02-05 Raytheon Company Passive frequency multiplexer
CN106252901B (zh) * 2016-09-05 2023-06-20 广东博纬通信科技有限公司 宽频三波束阵列天线
KR101772206B1 (ko) 2016-12-26 2017-08-28 광운대학교 산학협력단 스위칭 네트워크를 이용하여 빔형성 개수를 확장한 버틀러 매트릭스
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
JP2020077988A (ja) * 2018-11-08 2020-05-21 株式会社デンソー アンテナ装置
WO2020218290A1 (ja) * 2019-04-25 2020-10-29 株式会社村田製作所 アンテナモジュール及び通信装置
FR3098024B1 (fr) * 2019-06-27 2022-06-03 Thales Sa Formateur analogique multifaisceaux bidimensionnel de complexité réduite pour antennes réseaux actives reconfigurables
JP6921252B2 (ja) * 2020-01-21 2021-08-18 ソフトバンク株式会社 フェイズドアレイアンテナ、送信装置、無線電力伝送システム及び無線通信システム
US11658719B2 (en) 2020-06-25 2023-05-23 Qualcomm Incorporated Hybrid beamforming with a butler matrix
CN212783781U (zh) * 2020-08-07 2021-03-23 康普技术有限责任公司 具有集成波束成形网络的双光束基站天线
CN112421218B (zh) * 2020-11-27 2022-08-16 重庆金美通信有限责任公司 一种多波束切换天线

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1367467A (en) * 1971-03-26 1974-09-18 Marconi Co Ltd Switching systems
US3731316A (en) * 1972-04-25 1973-05-01 Us Navy Butler submatrix feed for a linear array
FR2241886A1 (en) * 1973-05-21 1975-03-21 Labo Cent Telecommunicat Multibeam satellite antennae network - operates in low gigacycle frequency range to increase channel availability
JPS60119103A (ja) * 1983-11-30 1985-06-26 Mitsubishi Electric Corp 送信空中線装置
JPS625704A (ja) * 1985-06-29 1987-01-12 Toshiba Corp アンテナ給電装置
JPS62169505A (ja) * 1986-01-22 1987-07-25 Toshiba Corp 円形配列アンテナ装置
JPH0746761B2 (ja) * 1986-03-04 1995-05-17 国際電信電話株式会社 アレイアンテナの給電回路
JP2585268B2 (ja) * 1987-05-15 1997-02-26 株式会社東芝 反射鏡アンテナ
JPH0630407B2 (ja) * 1987-08-31 1994-04-20 日本電気株式会社 電子走査アンテナ
GB8721188D0 (en) * 1987-09-09 1988-04-27 Era Patents Ltd Networks for antenna arrays
FR2628896B1 (fr) * 1988-03-18 1990-11-16 Alcatel Espace Antenne a reconfiguration electronique en emission
US4901085A (en) * 1988-09-23 1990-02-13 Spar Aerospace Limited Divided LLBFN/HMPA transmitted architecture

Also Published As

Publication number Publication date
FR2652452A1 (fr) 1991-03-29
US5115248A (en) 1992-05-19
EP0420739A1 (de) 1991-04-03
JPH03207104A (ja) 1991-09-10
FR2652452B1 (fr) 1992-03-20
EP0420739B1 (de) 1993-09-08
DE69003215T2 (de) 1994-01-05
JP2662084B2 (ja) 1997-10-08
CA2026066A1 (en) 1991-03-27
CA2026066C (en) 1994-02-01

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