DE69407332T2 - Verfahren zur Strahlungskeulenkompression in Antennendiagrammen - Google Patents

Verfahren zur Strahlungskeulenkompression in Antennendiagrammen

Info

Publication number
DE69407332T2
DE69407332T2 DE69407332T DE69407332T DE69407332T2 DE 69407332 T2 DE69407332 T2 DE 69407332T2 DE 69407332 T DE69407332 T DE 69407332T DE 69407332 T DE69407332 T DE 69407332T DE 69407332 T2 DE69407332 T2 DE 69407332T2
Authority
DE
Germany
Prior art keywords
beam compression
antenna diagrams
diagrams
antenna
compression
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
DE69407332T
Other languages
English (en)
Other versions
DE69407332D1 (de
Inventor
Toshihiro Sezai
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.)
National Space Development Agency of Japan
Original Assignee
NATIONAL SPACE DEVELOPMENT AGENCY OF JAPAN TOKIO/TOKYO JP
National Space Development Agency of Japan
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 NATIONAL SPACE DEVELOPMENT AGENCY OF JAPAN TOKIO/TOKYO JP, National Space Development Agency of Japan filed Critical NATIONAL SPACE DEVELOPMENT AGENCY OF JAPAN TOKIO/TOKYO JP
Application granted granted Critical
Publication of DE69407332D1 publication Critical patent/DE69407332D1/de
Publication of DE69407332T2 publication Critical patent/DE69407332T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01Q25/02—Antennas or antenna systems providing at least two radiating patterns providing sum and difference patterns
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/42—Simultaneous measurement of distance and other co-ordinates
    • G01S13/44—Monopulse radar, i.e. simultaneous lobing
    • G01S13/4409—HF sub-systems particularly adapted therefor, e.g. circuits for signal combination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/2813—Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE69407332T 1993-04-22 1994-03-14 Verfahren zur Strahlungskeulenkompression in Antennendiagrammen Expired - Fee Related DE69407332T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5117575A JP2544292B2 (ja) 1993-04-22 1993-04-22 レ―ダにおけるアンテナパタ―ンのビ―ム圧縮処理方法

Publications (2)

Publication Number Publication Date
DE69407332D1 DE69407332D1 (de) 1998-01-29
DE69407332T2 true DE69407332T2 (de) 1998-04-09

Family

ID=14715221

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69407332T Expired - Fee Related DE69407332T2 (de) 1993-04-22 1994-03-14 Verfahren zur Strahlungskeulenkompression in Antennendiagrammen

Country Status (4)

Country Link
US (1) US5432519A (de)
EP (1) EP0621492B1 (de)
JP (1) JP2544292B2 (de)
DE (1) DE69407332T2 (de)

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US5569373A (en) * 1995-06-28 1996-10-29 Smith; Gerald F. Reusable fluid filter and adapter
US6540914B1 (en) 2000-04-24 2003-04-01 Vortex International, Llc Cleanable filter with spinning screen
US6488848B1 (en) 2000-04-24 2002-12-03 Vortex International, Llc Cleanable filter with ported cylinder adjacent screen
US6818125B2 (en) * 2000-04-24 2004-11-16 Vortex International, Llc Engine block with angled oil outlets
US6666968B2 (en) 2001-03-22 2003-12-23 Vortex International, Llc Fluid filtration apparatus
JP4093792B2 (ja) * 2002-04-18 2008-06-04 富士通株式会社 移動無線局の位置を決定する測位システム、プログラムおよび位置決定方法
US20040079401A1 (en) * 2002-10-24 2004-04-29 Smith Gerald F. Re-useable filter cleaning apparatus
US20050265388A1 (en) * 2004-05-12 2005-12-01 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Aggregating mote-associated log data
US20050267960A1 (en) * 2004-05-12 2005-12-01 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Mote-associated log creation
US7317898B2 (en) * 2004-03-31 2008-01-08 Searete Llc Mote networks using directional antenna techniques
US8335814B2 (en) * 2004-03-31 2012-12-18 The Invention Science Fund I, Llc Transmission of aggregated mote-associated index data
US7599696B2 (en) * 2004-06-25 2009-10-06 Searete, Llc Frequency reuse techniques in mote-appropriate networks
US8161097B2 (en) * 2004-03-31 2012-04-17 The Invention Science Fund I, Llc Aggregating mote-associated index data
US9261383B2 (en) * 2004-07-30 2016-02-16 Triplay, Inc. Discovery of occurrence-data
US7457834B2 (en) * 2004-07-30 2008-11-25 Searete, Llc Aggregation and retrieval of network sensor data
US20060062252A1 (en) * 2004-06-30 2006-03-23 Jung Edward K Mote appropriate network power reduction techniques
US20060064402A1 (en) * 2004-07-27 2006-03-23 Jung Edward K Y Using federated mote-associated indexes
US7929914B2 (en) * 2004-03-31 2011-04-19 The Invention Science Fund I, Llc Mote networks using directional antenna techniques
US20050227686A1 (en) * 2004-03-31 2005-10-13 Jung Edward K Y Federating mote-associated index data
US8346846B2 (en) * 2004-05-12 2013-01-01 The Invention Science Fund I, Llc Transmission of aggregated mote-associated log data
US20050256667A1 (en) * 2004-05-12 2005-11-17 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Federating mote-associated log data
US7389295B2 (en) * 2004-06-25 2008-06-17 Searete Llc Using federated mote-associated logs
US7941188B2 (en) 2004-03-31 2011-05-10 The Invention Science Fund I, Llc Occurrence data detection and storage for generalized sensor networks
US8275824B2 (en) * 2004-03-31 2012-09-25 The Invention Science Fund I, Llc Occurrence data detection and storage for mote networks
US7725080B2 (en) * 2004-03-31 2010-05-25 The Invention Science Fund I, Llc Mote networks having directional antennas
US7366544B2 (en) * 2004-03-31 2008-04-29 Searete, Llc Mote networks having directional antennas
US7536388B2 (en) * 2004-03-31 2009-05-19 Searete, Llc Data storage for distributed sensor networks
US20050255841A1 (en) * 2004-05-12 2005-11-17 Searete Llc Transmission of mote-associated log data
WO2005101710A2 (en) * 2004-03-31 2005-10-27 Searete Llc Transmission of aggregated mote-associated index data
US20060004888A1 (en) * 2004-05-21 2006-01-05 Searete Llc, A Limited Liability Corporation Of The State Delaware Using mote-associated logs
US20060079285A1 (en) * 2004-03-31 2006-04-13 Jung Edward K Y Transmission of mote-associated index data
US8200744B2 (en) * 2004-03-31 2012-06-12 The Invention Science Fund I, Llc Mote-associated index creation
US9062992B2 (en) * 2004-07-27 2015-06-23 TriPlay Inc. Using mote-associated indexes
US7623064B2 (en) * 2005-12-06 2009-11-24 Arthur Robert Calderbank Instantaneous radar polarimetry
US9366756B2 (en) 2008-12-06 2016-06-14 Thales Canada Inc RF tag reader for accurate position determination
CA2792723C (en) * 2010-03-10 2017-02-21 Thales Rail Signaling Solutions Inc. Rf tag reader for accurate position determination
CN108333559B (zh) * 2018-01-11 2021-09-10 深圳市远望谷信息技术股份有限公司 一种精准确定沿轨道运行的物体位置的方法及装置
US20240142574A1 (en) * 2022-10-27 2024-05-02 Rockwell Collins, Inc. Hybrid clutter suppression using electronically scanned antennas

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2567197A (en) * 1950-08-30 1951-09-11 Fox Nelson Duplex switch with sum and difference frequency receivers
DE1791200A1 (de) * 1968-09-30 1971-11-11 Inst Fuer Nachrichtentechnik Verfahren und Anordnung zur Verbesserung und elektronischen Regelung der Empfangscharakteristik einer Antenne
FR2101100B1 (de) * 1970-08-21 1973-11-23 Thomson Csf
JPH0748616B2 (ja) * 1991-10-24 1995-05-24 宇宙開発事業団 アンテナパターンの処理方法
US5248984A (en) * 1991-11-13 1993-09-28 National Space Development Agency Of Japan Method for processing an antenna pattern
US5302961A (en) * 1992-12-28 1994-04-12 General Electric Co. Antenna aperture with mainlobe jammer nulling capability

Also Published As

Publication number Publication date
US5432519A (en) 1995-07-11
JPH06308220A (ja) 1994-11-04
DE69407332D1 (de) 1998-01-29
EP0621492B1 (de) 1997-12-17
EP0621492A1 (de) 1994-10-26
JP2544292B2 (ja) 1996-10-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NATIONAL SPACE DEVELOPMENT AGENCY OF JAPAN, TSUKUB

8339 Ceased/non-payment of the annual fee