FR1344203A - Perfectionnements aux procédés et dispositifs d'élimination des échos parasites dans un radar - Google Patents

Perfectionnements aux procédés et dispositifs d'élimination des échos parasites dans un radar

Info

Publication number
FR1344203A
FR1344203A FR885586A FR885586A FR1344203A FR 1344203 A FR1344203 A FR 1344203A FR 885586 A FR885586 A FR 885586A FR 885586 A FR885586 A FR 885586A FR 1344203 A FR1344203 A FR 1344203A
Authority
FR
France
Prior art keywords
radar
methods
devices
eliminating parasitic
parasitic echoes
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
Application number
FR885586A
Other languages
English (en)
Inventor
L Gerardin
J Mc Queen
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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
Priority to NL287919D priority Critical patent/NL287919A/xx
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR885586A priority patent/FR1344203A/fr
Priority to US251961A priority patent/US3267467A/en
Priority to GB2604/63A priority patent/GB1028339A/en
Priority to DEC28967A priority patent/DE1277949B/de
Application granted granted Critical
Publication of FR1344203A publication Critical patent/FR1344203A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • 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
    • G01S13/30—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using more than one pulse per radar period
    • 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
    • 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
    • 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
    • G01S13/534—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 based upon amplitude or phase shift resulting from movement of objects, with reference to the surrounding clutter echo signal, e.g. non coherent MTi, clutter referenced MTi, externally coherent MTi

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)
FR885586A 1962-01-23 1962-01-23 Perfectionnements aux procédés et dispositifs d'élimination des échos parasites dans un radar Expired FR1344203A (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL287919D NL287919A (fr) 1962-01-23
FR885586A FR1344203A (fr) 1962-01-23 1962-01-23 Perfectionnements aux procédés et dispositifs d'élimination des échos parasites dans un radar
US251961A US3267467A (en) 1962-01-23 1963-01-16 Apparatus for eliminating spurious echoes in radars
GB2604/63A GB1028339A (en) 1962-01-23 1963-01-21 Improvements relating to pulse radar equipment
DEC28967A DE1277949B (de) 1962-01-23 1963-01-22 Verfahren zur Funk-Rueckstrahlortung bewegter Objekte unter Verwendung von Impulspaaren

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR885586A FR1344203A (fr) 1962-01-23 1962-01-23 Perfectionnements aux procédés et dispositifs d'élimination des échos parasites dans un radar

Publications (1)

Publication Number Publication Date
FR1344203A true FR1344203A (fr) 1963-11-29

Family

ID=8771001

Family Applications (1)

Application Number Title Priority Date Filing Date
FR885586A Expired FR1344203A (fr) 1962-01-23 1962-01-23 Perfectionnements aux procédés et dispositifs d'élimination des échos parasites dans un radar

Country Status (5)

Country Link
US (1) US3267467A (fr)
DE (1) DE1277949B (fr)
FR (1) FR1344203A (fr)
GB (1) GB1028339A (fr)
NL (1) NL287919A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1290994B (de) * 1964-04-23 1969-03-20 Thomson Houston Comp Francaise Schaltungsanordnung zur Unterdrueckung der Bodenechos im Empfaenger eines Impulsradargeraets
EP0049087A1 (fr) * 1980-09-27 1982-04-07 The Marconi Company Limited Radar, sonar et systèmes semblables
EP0051361A2 (fr) * 1980-09-27 1982-05-12 The Marconi Company Limited Appareil radar

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1601723A (fr) * 1964-06-02 1970-09-14
US3546670A (en) * 1966-03-15 1970-12-08 Farrington Electronics Inc Reading apparatus including means for re-sensing an item which is difficult to recognize
US5223839A (en) * 1966-06-23 1993-06-29 The United States Of America As Represented By The Secretary Of The Army Radar identification
DE2641689C2 (de) * 1976-09-16 1984-02-02 Siemens AG, 1000 Berlin und 8000 München Pulsradargerät mit Einrichtungen zur Integration der Empfangssignale
GB1604645A (en) * 1977-08-02 1981-12-09 Marconi Co Ltd Radar systems
US5005018A (en) * 1982-10-06 1991-04-02 The United States Of America As Represented By The Secretary Of The Navy (U) modulator to provide a continuous stepped frequency signal format
FR2625326B1 (fr) * 1984-05-18 1990-08-03 Thomson Csf Processeur de signaux coherents bruites et application aux systemes radar doppler
US6184820B1 (en) 1984-11-29 2001-02-06 Lockheed Martin Corp. Coherent pulse radar system
US7541970B1 (en) * 2006-08-31 2009-06-02 Rockwell Collins, Inc. Weather radar with spurious reflection lobe mitigation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2840808A (en) * 1946-03-19 1958-06-24 William R Woodward Moving target indication systems
US2842761A (en) * 1953-01-12 1958-07-08 Sperry Rand Corp Moving target indicator radar system
FR1194347A (fr) * 1957-04-09 1959-11-09
NL227051A (fr) * 1957-04-19

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1290994B (de) * 1964-04-23 1969-03-20 Thomson Houston Comp Francaise Schaltungsanordnung zur Unterdrueckung der Bodenechos im Empfaenger eines Impulsradargeraets
EP0049087A1 (fr) * 1980-09-27 1982-04-07 The Marconi Company Limited Radar, sonar et systèmes semblables
EP0051361A2 (fr) * 1980-09-27 1982-05-12 The Marconi Company Limited Appareil radar
EP0051361A3 (en) * 1980-09-27 1982-10-06 The Marconi Company Limited Radar apparatus
US4626855A (en) * 1980-09-27 1986-12-02 The Marconi Company Limited Radar, sonar and similar systems

Also Published As

Publication number Publication date
DE1277949B (de) 1968-09-19
NL287919A (fr)
US3267467A (en) 1966-08-16
GB1028339A (en) 1966-05-04

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