FR2512210A1 - Dispositif d'elimination des echos mobiles de ne trace et des echos parasites dans un radar - Google Patents

Dispositif d'elimination des echos mobiles de ne trace et des echos parasites dans un radar Download PDF

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Publication number
FR2512210A1
FR2512210A1 FR8116466A FR8116466A FR2512210A1 FR 2512210 A1 FR2512210 A1 FR 2512210A1 FR 8116466 A FR8116466 A FR 8116466A FR 8116466 A FR8116466 A FR 8116466A FR 2512210 A1 FR2512210 A1 FR 2512210A1
Authority
FR
France
Prior art keywords
echoes
radar
circuit
trace
elimination device
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.)
Granted
Application number
FR8116466A
Other languages
English (en)
French (fr)
Other versions
FR2512210B1 (enExample
Inventor
Serge Jean Penhard
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR8116466A priority Critical patent/FR2512210A1/fr
Priority to DE8282401517T priority patent/DE3270413D1/de
Priority to EP82401517A priority patent/EP0073706B1/fr
Priority to US06/411,567 priority patent/US4513287A/en
Priority to CA000410354A priority patent/CA1203870A/en
Publication of FR2512210A1 publication Critical patent/FR2512210A1/fr
Application granted granted Critical
Publication of FR2512210B1 publication Critical patent/FR2512210B1/fr
Granted 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
    • G01S13/06—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
    • 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

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)
FR8116466A 1981-08-28 1981-08-28 Dispositif d'elimination des echos mobiles de ne trace et des echos parasites dans un radar Granted FR2512210A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8116466A FR2512210A1 (fr) 1981-08-28 1981-08-28 Dispositif d'elimination des echos mobiles de ne trace et des echos parasites dans un radar
DE8282401517T DE3270413D1 (en) 1981-08-28 1982-08-10 Radar apparatus for eliminating multiple time-around moving echos and clutter echos
EP82401517A EP0073706B1 (fr) 1981-08-28 1982-08-10 Dispositif d'élimination des échos mobiles de Nième trace et des échos parasites dans un radar
US06/411,567 US4513287A (en) 1981-08-28 1982-08-25 Device for the elimination of nth trace moving echoes and interference echoes in a radar
CA000410354A CA1203870A (en) 1981-08-28 1982-08-27 Device for the elimination of n.sup.t.sup.h trace moving echoes and interference echoes in a radar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8116466A FR2512210A1 (fr) 1981-08-28 1981-08-28 Dispositif d'elimination des echos mobiles de ne trace et des echos parasites dans un radar

Publications (2)

Publication Number Publication Date
FR2512210A1 true FR2512210A1 (fr) 1983-03-04
FR2512210B1 FR2512210B1 (enExample) 1983-12-02

Family

ID=9261747

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8116466A Granted FR2512210A1 (fr) 1981-08-28 1981-08-28 Dispositif d'elimination des echos mobiles de ne trace et des echos parasites dans un radar

Country Status (5)

Country Link
US (1) US4513287A (enExample)
EP (1) EP0073706B1 (enExample)
CA (1) CA1203870A (enExample)
DE (1) DE3270413D1 (enExample)
FR (1) FR2512210A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3222474A1 (de) * 1982-06-15 1983-12-15 Siemens AG, 1000 Berlin und 8000 München Puls-doppler-radargeraet mit einem pulslaengen-diskriminator
FR2589586B1 (fr) * 1984-01-27 1988-04-08 Thomson Csf Procede et dispositif de mesure des signaux de bruit d'un recepteur radar
JPS60169782A (ja) * 1984-02-14 1985-09-03 Nec Corp 移動目標表示装置
US4973968A (en) * 1986-03-07 1990-11-27 Plessey Overseas Limited Radar system for determining first time around targets from multiple time around targets
US5036325A (en) * 1989-10-05 1991-07-30 Hughes Aircraft Company Doppler determination system for MTI radars
FR2712094B1 (fr) * 1993-11-02 1995-12-01 Thomson Csf Procédé de détermination du rang d'ambiguïté en distance d'échos radar.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3109171A (en) * 1961-02-06 1963-10-29 George L Henry Three-pulse canceller for coherent mti systems
FR2097168A1 (enExample) * 1970-07-03 1972-03-03 Plessey Handel Investment Ag
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168500A (en) * 1972-03-10 1979-09-18 The United States Of America As Represented By The Secretary Of The Air Force Method and system for moving target elimination and indication using smoothing filters
US3995270A (en) * 1975-06-16 1976-11-30 The United States Of America As Represented By The Secretary Of The Navy Constant false alarm rate (CFAR) circuitry for minimizing extraneous target sensitivity
US4025919A (en) * 1975-11-14 1977-05-24 Westinghouse Electric Corporation Automatic target detector
US4095222A (en) * 1976-03-08 1978-06-13 Westinghouse Electric Corp. Post-detection stc in a medium prf pulse doppler radar
US4228435A (en) * 1979-01-23 1980-10-14 The United States Of America As Represented By The Secretary Of The Air Force Radar sensitivity time control using range gated feedback
US4213127A (en) * 1979-01-31 1980-07-15 The United States Of America As Represented By The Secretary Of The Air Force Doubly adaptive CFAR apparatus
NL7908860A (nl) * 1979-12-10 1981-07-01 Hollandse Signaalapparaten Bv Drempelschakeling voor radarvideosignalen.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3109171A (en) * 1961-02-06 1963-10-29 George L Henry Three-pulse canceller for coherent mti systems
FR2097168A1 (enExample) * 1970-07-03 1972-03-03 Plessey Handel Investment Ag
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

Also Published As

Publication number Publication date
US4513287A (en) 1985-04-23
EP0073706B1 (fr) 1986-04-09
EP0073706A1 (fr) 1983-03-09
FR2512210B1 (enExample) 1983-12-02
CA1203870A (en) 1986-04-29
DE3270413D1 (en) 1986-05-15

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