JPS5113638B1 - - Google Patents

Info

Publication number
JPS5113638B1
JPS5113638B1 JP2733772A JP2733772A JPS5113638B1 JP S5113638 B1 JPS5113638 B1 JP S5113638B1 JP 2733772 A JP2733772 A JP 2733772A JP 2733772 A JP2733772 A JP 2733772A JP S5113638 B1 JPS5113638 B1 JP S5113638B1
Authority
JP
Japan
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.)
Pending
Application number
JP2733772A
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
Publication of JPS5113638B1 publication Critical patent/JPS5113638B1/ja
Pending 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
    • G01S13/5242—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 with means for platform motion or scan motion compensation, e.g. airborne 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
    • G01S13/5244—Adaptive clutter cancellation
    • 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)
JP2733772A 1971-03-17 1972-03-17 Pending JPS5113638B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12525771A 1971-03-17 1971-03-17

Publications (1)

Publication Number Publication Date
JPS5113638B1 true JPS5113638B1 (ja) 1976-05-01

Family

ID=22418862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2733772A Pending JPS5113638B1 (ja) 1971-03-17 1972-03-17

Country Status (5)

Country Link
JP (1) JPS5113638B1 (ja)
DE (1) DE2212272A1 (ja)
ES (1) ES400831A1 (ja)
FR (1) FR2130388B1 (ja)
IT (1) IT950144B (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2413607C2 (de) * 1974-03-21 1983-05-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zur Unterdrückung von Signalen bewegter Störziele in einem Quadraturradarsystem
FR2302535A2 (fr) * 1975-02-25 1976-09-24 Int Standard Electric Corp Radar doppler a elimination d'images parasites
FR2340554A1 (fr) * 1976-02-03 1977-09-02 Thomson Csf Dispositif de traitement des signaux d'un radar coherent a l'impulsions et systeme radar comportant un tel dispositif
NL185959C (nl) * 1976-05-26 1990-08-16 Raytheon Co Pulsdopplerradarstelsel met digitale signaalverwerking.
FR2353864A1 (fr) * 1976-06-01 1977-12-30 Raytheon Co Dispositif radar numerique a elimination d'images parasites
SE409148B (sv) * 1977-08-12 1979-07-30 Ericsson Telefon Ab L M Filteranordning ingaende i mottagaren hos en pulsdopplerradar

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1114531A (en) * 1964-02-12 1968-05-22 Emi Ltd Improvements relating to radar
US3505637A (en) * 1964-03-10 1970-04-07 Us Navy Digital overflow threshold for sonar
DE1516760B2 (de) * 1966-04-07 1971-12-30 Hughes Aircraft Co., Culver City, Calif. (V.StA.) Geraet zur automatischen radarzielfeststellung beim vorliegen ausreichend vieler videoquanten nicht zu langer quanten komplexe
FR1527968A (fr) * 1967-04-12 1968-06-07 Electronique & Radio Ind Perfectionnements aux dispositifs éliminateurs de zones denses
US3500396A (en) * 1968-12-23 1970-03-10 Usa Background averaging system for improving radar target detection

Also Published As

Publication number Publication date
IT950144B (it) 1973-06-20
DE2212272A1 (de) 1972-09-28
FR2130388A1 (ja) 1972-11-03
FR2130388B1 (ja) 1975-10-24
ES400831A1 (es) 1975-02-01

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