FR2596873B1 - Perfectionnements aux radars a impulsions coherents - Google Patents

Perfectionnements aux radars a impulsions coherents

Info

Publication number
FR2596873B1
FR2596873B1 FR8307460A FR8307460A FR2596873B1 FR 2596873 B1 FR2596873 B1 FR 2596873B1 FR 8307460 A FR8307460 A FR 8307460A FR 8307460 A FR8307460 A FR 8307460A FR 2596873 B1 FR2596873 B1 FR 2596873B1
Authority
FR
France
Prior art keywords
coherent pulse
pulse radars
radars
coherent
pulse
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
FR8307460A
Other languages
English (en)
Other versions
FR2596873A1 (fr
Inventor
Bernard Maitre
Marie-Francoise Forestier
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
Dassault Electronique 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 Dassault Electronique SA filed Critical Dassault Electronique SA
Priority to FR8307460A priority Critical patent/FR2596873B1/fr
Publication of FR2596873A1 publication Critical patent/FR2596873A1/fr
Application granted granted Critical
Publication of FR2596873B1 publication Critical patent/FR2596873B1/fr
Expired 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
    • G01S13/22—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency
    • 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
    • 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
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/581—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse modulated waves and based upon the Doppler effect resulting from movement of targets
    • G01S13/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse modulated waves and based upon the Doppler effect resulting from movement of targets adapted for simultaneous range and velocity measurements
FR8307460A 1983-05-04 1983-05-04 Perfectionnements aux radars a impulsions coherents Expired FR2596873B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8307460A FR2596873B1 (fr) 1983-05-04 1983-05-04 Perfectionnements aux radars a impulsions coherents

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8307460A FR2596873B1 (fr) 1983-05-04 1983-05-04 Perfectionnements aux radars a impulsions coherents

Publications (2)

Publication Number Publication Date
FR2596873A1 FR2596873A1 (fr) 1987-10-09
FR2596873B1 true FR2596873B1 (fr) 1988-12-09

Family

ID=9288596

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8307460A Expired FR2596873B1 (fr) 1983-05-04 1983-05-04 Perfectionnements aux radars a impulsions coherents

Country Status (1)

Country Link
FR (1) FR2596873B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2736161B1 (fr) * 1990-12-14 1997-09-12 Le Centre Thomson D Applic Rad Procede et dispositif d'integration coherente multi-rafales pour radar doppler a impulsions
FR2712094B1 (fr) * 1993-11-02 1995-12-01 Thomson Csf Procédé de détermination du rang d'ambiguïté en distance d'échos radar.
US20120256778A1 (en) * 2003-07-02 2012-10-11 M/A Com, Inc. Short-range vehicular radar system
FR2986620B1 (fr) * 2012-02-03 2015-02-27 Thales Sa Procede de levee d'ambiguite sur les mesures en distance

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631489A (en) * 1969-10-02 1971-12-28 North American Rockwell Mti system having improved discrimination of targets displaying ambiguous doppler shifts
FR2120293A5 (fr) * 1970-12-29 1972-08-18 Labo Cent Telecommunicat
US4057800A (en) * 1976-06-01 1977-11-08 Grumman Aerospace Corporation Multi-PRF signal processor system
NL8101111A (nl) * 1981-03-09 1982-10-01 Hollandse Signaalapparaten Bv Impulsradarapparaat.

Also Published As

Publication number Publication date
FR2596873A1 (fr) 1987-10-09

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Legal Events

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CL Concession to grant licenses
CD Change of name or company name
ST Notification of lapse