DE3485976D1 - Anordnung zur identifikation und unterdrueckung von unerwuenschten zweitspur-echos in radarsystemen. - Google Patents

Anordnung zur identifikation und unterdrueckung von unerwuenschten zweitspur-echos in radarsystemen.

Info

Publication number
DE3485976D1
DE3485976D1 DE8484830065T DE3485976T DE3485976D1 DE 3485976 D1 DE3485976 D1 DE 3485976D1 DE 8484830065 T DE8484830065 T DE 8484830065T DE 3485976 T DE3485976 T DE 3485976T DE 3485976 D1 DE3485976 D1 DE 3485976D1
Authority
DE
Germany
Prior art keywords
echos
unwanted
suppression
track
identification
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 - Lifetime
Application number
DE8484830065T
Other languages
English (en)
Inventor
Gaspare Galati
Ennio Giaccari
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.)
Leonardo SpA
Original Assignee
Selenia Industrie Elettroniche Associate SpA
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 Selenia Industrie Elettroniche Associate SpA filed Critical Selenia Industrie Elettroniche Associate SpA
Application granted granted Critical
Publication of DE3485976D1 publication Critical patent/DE3485976D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01S13/526—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 performing filtering on the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters
    • G01S13/528—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 performing filtering on the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters with elimination of blind 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
    • 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
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/20—Systems for measuring distance only using transmission of interrupted, pulse modulated waves whereby multiple time-around echoes are used or eliminated

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)
DE8484830065T 1983-05-04 1984-03-12 Anordnung zur identifikation und unterdrueckung von unerwuenschten zweitspur-echos in radarsystemen. Expired - Lifetime DE3485976D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT48219/83A IT1197641B (it) 1983-05-04 1983-05-04 Dispositivo per l'identificazione e la soppressione di echi indesiderati di seconda traccia in sistemi radar

Publications (1)

Publication Number Publication Date
DE3485976D1 true DE3485976D1 (de) 1992-12-17

Family

ID=11265309

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484830065T Expired - Lifetime DE3485976D1 (de) 1983-05-04 1984-03-12 Anordnung zur identifikation und unterdrueckung von unerwuenschten zweitspur-echos in radarsystemen.

Country Status (4)

Country Link
US (1) US4630052A (de)
EP (1) EP0126032B1 (de)
DE (1) DE3485976D1 (de)
IT (1) IT1197641B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170678B (en) * 1985-02-01 1988-10-19 Emi Ltd Receiving circuit
GB2187605B (en) * 1986-03-07 1990-05-09 Plessey Co Plc Radar system
US4973968A (en) * 1986-03-07 1990-11-27 Plessey Overseas Limited Radar system for determining first time around targets from multiple time around targets
US4688044A (en) * 1986-07-07 1987-08-18 Hughes Aircraft Company Multiple range interval clutter cancellation circuit
US4890113A (en) * 1987-12-09 1989-12-26 Westinghouse Electric Corp. Second time around clutter cancellation system
US5036325A (en) * 1989-10-05 1991-07-30 Hughes Aircraft Company Doppler determination system for MTI radars
DE4104907C1 (de) * 1991-02-18 1992-08-27 Dornier Gmbh, 7990 Friedrichshafen, De
US6137852A (en) * 1997-12-23 2000-10-24 Motorola, Inc Phase detector circuit and method of phase detecting
DE102004010537B4 (de) 2004-03-04 2007-04-05 Eads Deutschland Gmbh Verfahren zur Auswertung von Radardaten zum vollautomatischen Erstellen einer Karte gestörter Gebiete
JP5580621B2 (ja) * 2010-02-23 2014-08-27 古野電気株式会社 エコー信号処理装置、レーダ装置、エコー信号処理方法、およびエコー信号処理プログラム
EP2743722A1 (de) * 2012-12-14 2014-06-18 BAE Systems PLC Abschwächen der anomalen Ausbreitungsauswirkungen in einem Radar
EP2932297A1 (de) * 2012-12-14 2015-10-21 BAE Systems PLC Abschwächen von anomalen verbreitungsauswirkungen in einem radar
US10222462B2 (en) 2013-02-27 2019-03-05 Waymo Llc Adaptive algorithms for interrogating the viewable scene of an automotive radar
JP6249805B2 (ja) * 2014-02-05 2017-12-20 三菱電機株式会社 レーダ信号処理装置及びレーダ信号処理方法
EP3835822B1 (de) * 2018-08-06 2022-08-24 Mitsubishi Electric Corporation Signalverarbeitungsvorrichtung und signalverarbeitungsverfahren
CN109765536B (zh) * 2018-10-22 2023-04-21 西北大学 基于辅助通道的fda-mimo降维空时自适应杂波抑制方法及设备
JP6797340B1 (ja) * 2020-03-24 2020-12-09 三菱電機株式会社 信号処理装置、レーダ装置および信号処理方法
CN114415123B (zh) * 2022-04-01 2022-07-19 北京海兰信数据科技股份有限公司 一种基于非相参邻域加权脉冲积累处理方法及系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023409A (en) * 1956-03-09 1962-02-27 Westinghouse Electric Corp Pulse doppler radar system
US3312969A (en) * 1965-07-09 1967-04-04 Burroughs Corp Radar video processor and clutter eliminator
FR2050644A5 (de) * 1969-06-19 1971-04-02 Thomson Csf
US3828348A (en) * 1971-10-21 1974-08-06 Hughes Aircraft Co System for minimizing multiple time around echos in a coherent-on-receive-doppler radar
NL169520C (nl) * 1972-04-25 1982-07-16 Hollandse Signaalapparaten Bv Impulsradarapparaat.
SE371299B (de) * 1974-01-15 1974-11-11 Ericsson Telefon Ab L M
GB1526689A (en) * 1977-07-26 1978-09-27 Int Standard Electric Corp Digital compensator for transmitter instability in mti radar systems
US4459592A (en) * 1980-10-31 1984-07-10 Long Maurice W Methods of and circuits for suppressing doppler radar clutter

Also Published As

Publication number Publication date
IT8348219A0 (it) 1983-05-04
EP0126032B1 (de) 1992-11-11
EP0126032A3 (en) 1987-05-27
IT1197641B (it) 1988-12-06
US4630052A (en) 1986-12-16
EP0126032A2 (de) 1984-11-21

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Legal Events

Date Code Title Description
8332 No legal effect for de