JPH04220003A - デジタルビーム形成回路網を備えた拡大されたフェイズドアレイ - Google Patents

デジタルビーム形成回路網を備えた拡大されたフェイズドアレイ

Info

Publication number
JPH04220003A
JPH04220003A JP3067889A JP6788991A JPH04220003A JP H04220003 A JPH04220003 A JP H04220003A JP 3067889 A JP3067889 A JP 3067889A JP 6788991 A JP6788991 A JP 6788991A JP H04220003 A JPH04220003 A JP H04220003A
Authority
JP
Japan
Prior art keywords
array
signal
digital
antenna
antenna system
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.)
Pending
Application number
JP3067889A
Other languages
English (en)
Japanese (ja)
Inventor
Donald C D Chang
ドナルド・シー・ディー・チャング
Der Embse Urban A Von
アーバン・エー・フォン・デア・エンブセ
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of JPH04220003A publication Critical patent/JPH04220003A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H01Q25/008—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 lens fed multibeam arrays
    • 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

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Transmission System (AREA)
  • Aerials With Secondary Devices (AREA)
JP3067889A 1990-03-07 1991-03-07 デジタルビーム形成回路網を備えた拡大されたフェイズドアレイ Pending JPH04220003A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49002890A 1990-03-07 1990-03-07
US490028 1990-03-07

Publications (1)

Publication Number Publication Date
JPH04220003A true JPH04220003A (ja) 1992-08-11

Family

ID=23946316

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3067889A Pending JPH04220003A (ja) 1990-03-07 1991-03-07 デジタルビーム形成回路網を備えた拡大されたフェイズドアレイ

Country Status (2)

Country Link
EP (1) EP0446610A1 (de)
JP (1) JPH04220003A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206658A (en) * 1990-10-31 1993-04-27 Rockwell International Corporation Multiple beam antenna system
FR2685551B1 (fr) * 1991-12-23 1994-01-28 Alcatel Espace Antenne active "offset" a double reflecteurs.
US5909460A (en) 1995-12-07 1999-06-01 Ericsson, Inc. Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array
US5808967A (en) * 1996-10-07 1998-09-15 Rowe-Deines Instruments Incorporated Two-dimensional array transducer and beamformer
US5929808A (en) * 1997-10-14 1999-07-27 Teledesic Llc System and method for the acquisition of a non-geosynchronous satellite signal
US6571081B1 (en) * 1999-05-04 2003-05-27 Hughes Electronics Corporation Hybridized space/ground beam forming
DE102008057088B4 (de) * 2008-11-13 2014-07-10 Deutsches Zentrum für Luft- und Raumfahrt e.V. Reflektorantenne, insbesondere zum Empfangen und/oder Aussenden von Signalen von und/oder hin zu Satelliten
GB2546309B (en) * 2016-01-15 2020-03-18 Cambridge Broadband Networks Ltd An Antenna

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130798B (en) * 1982-10-06 1986-02-12 Standard Telephones Cables Ltd Digital beam-forming radar
FR2535906B1 (fr) * 1982-11-05 1985-09-20 Thomson Csf Antenne a double reflecteur pour radar de poursuite permettant d'ameliorer l'acquisition
FR2588422A1 (fr) * 1985-10-08 1987-04-10 Thomson Csf Antenne a balayage electronique ayant un nombre reduit d'elements rayonnants et de dephaseurs, et un angle de balayage restreint
US4922257A (en) * 1987-01-27 1990-05-01 Mitsubishi Denki Kabushiki Kaisha Conformal array antenna

Also Published As

Publication number Publication date
EP0446610A1 (de) 1991-09-18

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