DE69934811D1 - Verafhrten zum trennen eines gewünschnten signals von einem störsignal - Google Patents

Verafhrten zum trennen eines gewünschnten signals von einem störsignal

Info

Publication number
DE69934811D1
DE69934811D1 DE69934811T DE69934811T DE69934811D1 DE 69934811 D1 DE69934811 D1 DE 69934811D1 DE 69934811 T DE69934811 T DE 69934811T DE 69934811 T DE69934811 T DE 69934811T DE 69934811 D1 DE69934811 D1 DE 69934811D1
Authority
DE
Germany
Prior art keywords
signal
disconnecting
wanted
transition
transition signal
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
DE69934811T
Other languages
English (en)
Other versions
DE69934811T2 (de
Inventor
Livingstone Richardson
Douglas Hischke
Paul Richardson
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.)
Northrop Grumman Corp
Original Assignee
Northrop Grumman Corp
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 Northrop Grumman Corp filed Critical Northrop Grumman Corp
Application granted granted Critical
Publication of DE69934811D1 publication Critical patent/DE69934811D1/de
Publication of DE69934811T2 publication Critical patent/DE69934811T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • H04B1/126—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means having multiple inputs, e.g. auxiliary antenna for receiving interfering signal
    • 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
    • G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • G01S7/038—Feedthrough nulling circuits
    • 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
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • 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
    • G01S7/285—Receivers
    • G01S7/288—Coherent receivers
    • G01S7/2883—Coherent receivers using FFT processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Noise Elimination (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE69934811T 1998-09-28 1999-07-09 Verafhrten zum trennen eines gewünschnten signals von einem störsignal Expired - Fee Related DE69934811T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US161921 1998-09-28
US09/161,921 US6052421A (en) 1998-09-28 1998-09-28 Method for separating a desired signal from an interfering signal
PCT/US1999/015576 WO2000019598A1 (en) 1998-09-28 1999-07-09 Method for separating a desired signal from an interfering signal

Publications (2)

Publication Number Publication Date
DE69934811D1 true DE69934811D1 (de) 2007-02-22
DE69934811T2 DE69934811T2 (de) 2007-10-31

Family

ID=22583376

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69934811T Expired - Fee Related DE69934811T2 (de) 1998-09-28 1999-07-09 Verafhrten zum trennen eines gewünschnten signals von einem störsignal

Country Status (7)

Country Link
US (1) US6052421A (de)
EP (1) EP1118155B1 (de)
JP (1) JP2002526749A (de)
DE (1) DE69934811T2 (de)
IL (2) IL142140A0 (de)
TW (1) TW438981B (de)
WO (1) WO2000019598A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69934003T2 (de) * 1999-03-16 2007-05-31 Nokia Corp. Empfangsverfahren und empfänger für spreizspektrumsignalen
EP2065729A3 (de) 2000-04-24 2010-07-28 Lockheed Martin Mission Systems Passives, kohärentes Ortungssystem und -verfahren
AU2002211802B8 (en) * 2000-10-20 2007-04-26 Lockheed Martin Corporation Civil aviation passive coherent location system and method
ATE500521T1 (de) 2001-05-04 2011-03-15 Lockheed Corp System und verfahren zur detektion und merkmalextraktion für passive kohärente ortungsgsanwendungen
US6703968B2 (en) 2001-05-04 2004-03-09 Lockheed Martin Corporation System and method for mitigating co-channel interference in passive coherent location applications
IL158717A0 (en) 2001-05-04 2004-05-12 Lockheed Corp System and method for wideband pre-detection signal processing for passive coherent location applications
AU2002256451B2 (en) 2001-05-04 2008-05-01 Lockheed Martin Corporation System and method for measurment domain data association in passive coherent location applications
US6710743B2 (en) * 2001-05-04 2004-03-23 Lockheed Martin Corporation System and method for central association and tracking in passive coherent location applications
WO2003050559A1 (en) 2001-12-05 2003-06-19 Lockheed Martin Corporation System and method for auto calibrated reduced rank adaptive processor
US7424268B2 (en) * 2002-04-22 2008-09-09 Cisco Technology, Inc. System and method for management of a shared frequency band
EP1558944A4 (de) * 2002-10-04 2008-10-22 Sigtec Navigation Pty Ltd Verbesserung an einem satellitengest tztenpositionsbestimmungssystem
ATE510363T1 (de) * 2003-10-31 2011-06-15 Ericsson Telefon Ab L M Mehrfachzugriffsstörungsunterdrückung
US20060208945A1 (en) * 2005-02-28 2006-09-21 James Kolanek Space / time / polarization adaptive antenna for ESM / ELINT receivers
WO2007049547A1 (ja) * 2005-10-24 2007-05-03 Matsushita Electric Industrial Co., Ltd. 干渉信号特徴量保存方法及び装置、干渉信号特徴量取得方法及び装置、並びに、干渉信号抑圧方法及び装置
US8611443B2 (en) * 2008-01-25 2013-12-17 Nxp, B.V. Method and apparatus to cancel additive sinusoidal disturbances in OFDM receivers
US9419677B2 (en) * 2008-12-19 2016-08-16 Intel Corporation Removal of modulated tonal interference
JP5977138B2 (ja) * 2012-10-10 2016-08-24 日本信号株式会社 車上装置、及び、これを用いた列車制御装置
RU2674648C1 (ru) * 2018-04-03 2018-12-12 Акционерное общество "НИИ измерительных приборов - Новосибирский завод имени Коминтерна" /АО "НПО НИИИП-НЗиК"/ Способ распознавания отраженных сигналов от цели и сигналов ответной импульсной помехи
CN116643247B (zh) * 2023-07-25 2023-10-27 南京航空航天大学 一种舱内活体检测杂波抑制方法和装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3755811A (en) * 1968-06-10 1973-08-28 Rca Corp Discriminating signaling system
US4079376A (en) * 1976-03-09 1978-03-14 Westinghouse Electric Corporation Target detection system in a medium PRF pulse doppler search/track radar receiver
US4266279A (en) * 1979-03-29 1981-05-05 Motorola, Inc. Memory system for a Doppler radar incorporating a fast Fourier transform computer
FR2629600B1 (fr) * 1984-08-24 1991-10-11 Thomson Csf Dispositif de reception radar et radar comportant un tel dispositif
US5191347A (en) * 1990-08-30 1993-03-02 Mitsubishi Denki Kabushiki Kaisha Pulsed Doppler radar system
US5251161A (en) * 1992-02-25 1993-10-05 Automatic Systems Laboratory, Inc. Method of generating model crash waveforms for testing vehicle crash detection systems
JP2567332B2 (ja) * 1993-02-17 1996-12-25 本田技研工業株式会社 時分割型レーダシステム
US5345470A (en) * 1993-03-31 1994-09-06 Alexander Richard O Methods of minimizing the interference between many multiple FMCW radars
FR2706624B1 (fr) * 1993-06-14 1995-09-29 Dassault Electronique Dispositif radar de surveillance au sol, notamment pour aéroport.
JP2967672B2 (ja) * 1993-07-28 1999-10-25 三菱電機株式会社 レーダ信号処理装置
US5374932A (en) * 1993-08-02 1994-12-20 Massachusetts Institute Of Technology Airport surface surveillance system
US5481270A (en) * 1994-03-04 1996-01-02 Martin Marietta Corporation Radar with adaptive range sidelobe suppression
US5422912A (en) * 1994-06-23 1995-06-06 Grumman Aerospace Corporation Adaptive weak signal identification system
US5473332A (en) * 1994-08-10 1995-12-05 Mcdonnell Douglas Corporation RFI suppression circuit and method
US5872628A (en) * 1996-09-27 1999-02-16 The Regents Of The University Of California Noise pair velocity and range echo location system

Also Published As

Publication number Publication date
EP1118155A1 (de) 2001-07-25
EP1118155B1 (de) 2007-01-10
IL142140A0 (en) 2002-03-10
IL142140A (en) 2006-10-05
JP2002526749A (ja) 2002-08-20
DE69934811T2 (de) 2007-10-31
WO2000019598A1 (en) 2000-04-06
TW438981B (en) 2001-06-07
US6052421A (en) 2000-04-18
EP1118155A4 (de) 2004-03-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee