FR1605267A - - Google Patents

Info

Publication number
FR1605267A
FR1605267A FR975383A FR975383A FR1605267A FR 1605267 A FR1605267 A FR 1605267A FR 975383 A FR975383 A FR 975383A FR 975383 A FR975383 A FR 975383A FR 1605267 A FR1605267 A FR 1605267A
Authority
FR
France
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
FR975383A
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 filed Critical
Application granted granted Critical
Publication of FR1605267A publication Critical patent/FR1605267A/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
    • G01S13/50—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
    • G01S13/53—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 a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar
    • 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
    • G01S13/583—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR975383A 1963-05-25 1964-05-22 Expired FR1605267A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET24054A DE977943C (de) 1963-05-25 1963-05-25 Anordnung zur Auswertung und/oder Anzeige von Ortungsdaten in einem Ortungsgeraet

Publications (1)

Publication Number Publication Date
FR1605267A true FR1605267A (fr) 1974-01-25

Family

ID=7551286

Family Applications (1)

Application Number Title Priority Date Filing Date
FR975383A Expired FR1605267A (fr) 1963-05-25 1964-05-22

Country Status (4)

Country Link
US (1) US3780369A (fr)
DE (1) DE977943C (fr)
FR (1) FR1605267A (fr)
GB (1) GB1323051A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2597611A1 (fr) * 1980-12-16 1987-10-23 Dassault Electronique Procede et dispositif pour ameliorer le facteur de visibilite d'un radar
US20100097266A1 (en) * 2008-10-21 2010-04-22 Lockheed Martin Corporation Single platform passive coherent location using a digital receiver
US8427359B1 (en) * 2011-01-06 2013-04-23 Sandia Corporation Tracking moving radar targets with parallel, velocity-tuned filters
US10680863B2 (en) * 2015-03-31 2020-06-09 Sony Corporation Modulation apparatus
US11035943B2 (en) * 2018-07-19 2021-06-15 Aptiv Technologies Limited Radar based tracking of slow moving objects
US10928501B2 (en) * 2018-08-28 2021-02-23 Infineon Technologies Ag Target detection in rainfall and snowfall conditions using mmWave radar

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476032A (en) * 1944-03-08 1949-07-12 Bell Telephone Labor Inc Doppler effect speed and drift indicating system
US2611125A (en) * 1945-05-30 1952-09-16 Robert H Dicke Doppler radar system
GB743521A (en) * 1950-06-08 1956-01-18 Marconi Wireless Telegraph Co Improvements in or relating to radar systems and analogous pressure wave systems
GB820400A (en) * 1952-04-29 1959-09-16 Marconi Wireless Telegraph Co Improvements in or relating to radar systems
FR1171146A (fr) * 1956-04-13 1959-01-22 Apparecchiature Radioelettrich Dispositif accessoire pour détecteur d'obstacle permettant de déterminer la vitesse relative d'un véhicule
US2976363A (en) * 1957-12-30 1961-03-21 Gen Electric Modulation of selected phases of carriers for simultaneous transmission through single delay means
US3005194A (en) * 1958-04-17 1961-10-17 Thompson Ramo Wooldridge Inc Anti-collision system
GB900778A (en) * 1958-12-29 1962-07-11 Secr Defence Brit Radio detection of moving objects
US3092832A (en) * 1959-03-06 1963-06-04 Bendix Corp Closure signal system

Also Published As

Publication number Publication date
GB1323051A (en) 1973-07-11
US3780369A (en) 1973-12-18
DE977943C (de) 1973-09-13

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