DE69713837T2 - Adaptive filterung von signalangepassten daten - Google Patents

Adaptive filterung von signalangepassten daten

Info

Publication number
DE69713837T2
DE69713837T2 DE69713837T DE69713837T DE69713837T2 DE 69713837 T2 DE69713837 T2 DE 69713837T2 DE 69713837 T DE69713837 T DE 69713837T DE 69713837 T DE69713837 T DE 69713837T DE 69713837 T2 DE69713837 T2 DE 69713837T2
Authority
DE
Germany
Prior art keywords
signal
adaptive filtering
adjusted data
adjusted
data
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
DE69713837T
Other languages
English (en)
Other versions
DE69713837D1 (de
Inventor
W Warren
R Breed
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
Raytheon 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 Raytheon Co filed Critical Raytheon Co
Publication of DE69713837D1 publication Critical patent/DE69713837D1/de
Application granted granted Critical
Publication of DE69713837T2 publication Critical patent/DE69713837T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
    • G01S13/5244—Adaptive clutter cancellation
    • 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
    • G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03993—Noise whitening

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Filters That Use Time-Delay Elements (AREA)
DE69713837T 1996-01-22 1997-01-20 Adaptive filterung von signalangepassten daten Expired - Fee Related DE69713837T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/589,806 US5617099A (en) 1996-01-22 1996-01-22 Adaptive filtering of matched-filter data
PCT/US1997/000563 WO1997027497A1 (en) 1996-01-22 1997-01-20 Adaptive filtering of matched-filter data

Publications (2)

Publication Number Publication Date
DE69713837D1 DE69713837D1 (de) 2002-08-14
DE69713837T2 true DE69713837T2 (de) 2003-03-13

Family

ID=24359605

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69713837T Expired - Fee Related DE69713837T2 (de) 1996-01-22 1997-01-20 Adaptive filterung von signalangepassten daten

Country Status (8)

Country Link
US (1) US5617099A (de)
EP (1) EP0815470B1 (de)
KR (1) KR100246021B1 (de)
AU (1) AU701515B2 (de)
CA (1) CA2212491C (de)
DE (1) DE69713837T2 (de)
NO (1) NO974145D0 (de)
WO (1) WO1997027497A1 (de)

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US6809681B1 (en) * 1992-08-25 2004-10-26 Raytheon Company Random-modulation radar signal-induced interference cancellation method and apparatus
US5940536A (en) * 1995-09-05 1999-08-17 Matsushita Electric Industrial Co., Ltd. Ringing detector and filter
US5760734A (en) * 1996-11-18 1998-06-02 Lockheed Martin Corp. Radar clutter removal by matrix processing
FI106656B (fi) 1998-03-26 2001-03-15 Markku Sakari Lehtinen Menetelmä ja järjestelmä tutkaheijastavuuden ja doppler-siirtymän mittaamiseksi pulssitutkalla
ATE403166T1 (de) * 2000-06-06 2008-08-15 Altratek Inc Sensorsystem und verfahren zum detektieren und verfolgen von zielen
US6445342B1 (en) * 2000-06-30 2002-09-03 Motorola, Inc. Method and device for multi-user frequency-domain channel estimation
US6362781B1 (en) * 2000-06-30 2002-03-26 Motorola, Inc. Method and device for adaptive antenna combining weights
US6504506B1 (en) * 2000-06-30 2003-01-07 Motorola, Inc. Method and device for fixed in time adaptive antenna combining weights
US6480139B1 (en) * 2000-10-05 2002-11-12 Lockheed Martin Corporation Jammer counting using cholesky factor diagonal elements
DE60309748T2 (de) * 2002-03-13 2007-10-04 Raytheon Canada Ltd., Waterloo System und Verfahren zur Rauschunterdrückung in vorverarbeiteten Radardaten
KR100648917B1 (ko) 2004-10-13 2006-11-24 소나테크 주식회사 다중음원 과 첩신호를 이용한 선저 탑재식 수중초음파탐상장치
US7783110B2 (en) * 2004-12-01 2010-08-24 Bae Systems Information And Electronic Systems Integration Inc. Semicoherent channel estimator
WO2007091929A1 (en) * 2006-02-09 2007-08-16 Telefonaktiebolaget Lm Ericsson (Publ) A radar system comprising at least two spatially separated antenna units
US7773032B2 (en) * 2006-05-10 2010-08-10 Research Foundation Of The City University Of New York Methods and applications utilizing signal source memory space compression and signal processor computational time compression
US20080238762A1 (en) * 2007-01-31 2008-10-02 Donald Spyro Gumas System and methods for multistep target detection and parameter estimation
FR2915288B1 (fr) * 2007-04-17 2009-06-05 Thales Sa Procede de depollution de signaux pour un antibrouillage centralise.
US7903024B2 (en) * 2007-10-25 2011-03-08 Lockheed Martin Corporation Adaptive moving target indicator (MTI) clutter rejection filter for radar systems
US8730092B2 (en) * 2010-05-04 2014-05-20 Raytheon Company Multistatic target detection and geolocation
FR2975193B1 (fr) * 2011-05-12 2020-10-09 Thales Sa Procede et systeme de localisation d'interferences affectant un signal de radionavigation par satellite
FR2977679B1 (fr) * 2011-07-06 2013-08-16 Rockwell Collins France Procede et dispositif de detection d'une cible masquee par des reflecteurs de forte energie
CN103116154B (zh) * 2013-01-25 2014-07-23 西安电子科技大学 基于杂波环境下的发射与接收联合优化自适应滤波方法
US10101445B2 (en) * 2014-04-29 2018-10-16 Research Foundation Of The City University Of New York Power centroid radar
DE102015209878B3 (de) * 2015-05-29 2016-02-18 Robert Bosch Gmbh Verfahren und Vorrichtung zur Erfassung von Objekten im Umfeld eines Fahrzeugs
US10031221B2 (en) * 2016-03-03 2018-07-24 Raytheon Company System and method for estimating number and range of a plurality of moving targets
US10302740B2 (en) * 2016-08-17 2019-05-28 Raytheon Company System and method for fast adaptive range doppler compression
CN109959907B (zh) * 2017-12-25 2023-10-20 大连楼兰科技股份有限公司 一种对高度数据进行处理的方法
CN110109048B (zh) * 2019-05-23 2020-11-06 北京航空航天大学 一种基于相位差的入侵信号来波方向角度范围估计方法
RU199379U1 (ru) * 2020-02-25 2020-08-31 Акционерное общество «Научно-исследовательский институт по измерительной технике-радиотехнические комплексы» Адаптивное устройство подавления пассивных помех
RU197685U1 (ru) * 2020-02-25 2020-05-21 Акционерное общество «Научно-исследовательский институт по измерительной технике-радиотехнические комплексы» Адаптивное устройство подавления пассивных помех
CN111398945B (zh) * 2020-03-09 2023-04-18 西南交通大学 基于慢时间滑窗滤波器的稀疏动目标检测方法
CN111693963B (zh) * 2020-06-24 2023-09-22 艾索信息股份有限公司 一种聚心方法
CN113064147B (zh) * 2021-03-30 2023-09-29 哈尔滨工程大学 一种低信噪比下新型匹配场被动定位方法
CN115656963B (zh) * 2022-12-26 2023-05-09 南京天朗防务科技有限公司 一种非参数化信号空间中的杂波抑制方法

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US4028697A (en) * 1970-09-08 1977-06-07 Sperry Rand Corporation Adaptive signal processor for clutter elimination
US4024541A (en) * 1970-09-08 1977-05-17 Sperry Rand Corporation Radar adaptive signal processor system
US3808594A (en) * 1971-03-17 1974-04-30 Sperry Rand Corp Multiplicative signal processor for target detection systems
US4006351A (en) * 1974-11-11 1977-02-01 James Nickolas Constant Recursive filter implemented as a matched clutter filter
FR2546630B1 (fr) * 1983-05-26 1986-01-17 Thomson Csf Recepteur pour systeme radar doppler a impulsions
IT1199170B (it) * 1984-07-27 1988-12-30 Selenia Ind Elettroniche Elaboratore digitale di segnali radar in grado di effettuare la cancellazione adattiva del clutter mediante stimatore parametrico
US4914441A (en) * 1988-08-29 1990-04-03 Raytheon Company Method of processing in a pulse doppler radar
US5183706A (en) * 1990-08-03 1993-02-02 W. R. Grace & Co.-Conn. Forming web for lining a rigid container
US5151702A (en) * 1991-07-22 1992-09-29 General Electric Company Complementary-sequence pulse radar with matched filtering following doppler filtering
JPH0566268A (ja) * 1991-09-06 1993-03-19 Mitsubishi Electric Corp デイジタル・パルス圧縮装置
US5440311A (en) * 1993-08-06 1995-08-08 Martin Marietta Corporation Complementary-sequence pulse radar with matched filtering and Doppler tolerant sidelobe suppression preceding Doppler filtering
US5349567A (en) * 1993-08-24 1994-09-20 Hughes Aircraft Company Least mean square (LMS) normalizer for active sonar
DE4423899C1 (de) * 1994-07-08 1995-11-02 Deutsche Forsch Luft Raumfahrt Verfahren zur Detektion, Lokalisierung und Geschwindigkeitsbestimmung von Bewegtzielen aus Radar-Rohdaten eines von einem Träger mitgeführten, kohärenten, ein- oder mehrkanaligen Abbildungssystems

Also Published As

Publication number Publication date
KR100246021B1 (ko) 2000-03-02
NO974145L (no) 1997-09-09
US5617099A (en) 1997-04-01
DE69713837D1 (de) 2002-08-14
CA2212491A1 (en) 1997-07-31
EP0815470A1 (de) 1998-01-07
AU1828297A (en) 1997-08-20
CA2212491C (en) 2000-10-24
WO1997027497A1 (en) 1997-07-31
NO974145D0 (no) 1997-09-09
EP0815470B1 (de) 2002-07-10
KR19980703165A (ko) 1998-10-15
AU701515B2 (en) 1999-01-28

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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