JPS51129193A - Anticlutter radar device - Google Patents

Anticlutter radar device

Info

Publication number
JPS51129193A
JPS51129193A JP50040628A JP4062875A JPS51129193A JP S51129193 A JPS51129193 A JP S51129193A JP 50040628 A JP50040628 A JP 50040628A JP 4062875 A JP4062875 A JP 4062875A JP S51129193 A JPS51129193 A JP S51129193A
Authority
JP
Japan
Prior art keywords
anticlutter
radar device
clutter
target
oppressing
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
JP50040628A
Other languages
Japanese (ja)
Other versions
JPS6034071B2 (en
Inventor
Yuichi Tomita
Takeshi Irabe
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP50040628A priority Critical patent/JPS6034071B2/en
Priority to GB13479/76A priority patent/GB1545849A/en
Priority to FR7609712A priority patent/FR2306453A1/en
Priority to IT21941/76A priority patent/IT1059284B/en
Priority to US05/673,323 priority patent/US4053885A/en
Publication of JPS51129193A publication Critical patent/JPS51129193A/en
Publication of JPS6034071B2 publication Critical patent/JPS6034071B2/en
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
    • G01S13/5246—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 post processors for coherent MTI discriminators, e.g. residue cancellers, CFAR after Doppler filters
    • 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
    • G01S13/532—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 using a bank of range gates or a memory matrix

Abstract

PURPOSE:In case of existing both clutter and target like a zero of radius direction speed at the same time, make it possible to detect only the target by oppressing the clutter.
JP50040628A 1975-04-03 1975-04-03 Clutter removal radar device Expired JPS6034071B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP50040628A JPS6034071B2 (en) 1975-04-03 1975-04-03 Clutter removal radar device
GB13479/76A GB1545849A (en) 1975-04-03 1976-04-02 Moving target indication radar
FR7609712A FR2306453A1 (en) 1975-04-03 1976-04-02 MOBILE TARGET INDICATION RADAR
IT21941/76A IT1059284B (en) 1975-04-03 1976-04-05 MOBILE TARGET INDICATOR RADAR SYSTEM
US05/673,323 US4053885A (en) 1975-04-03 1976-04-05 Moving target indication radar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50040628A JPS6034071B2 (en) 1975-04-03 1975-04-03 Clutter removal radar device

Publications (2)

Publication Number Publication Date
JPS51129193A true JPS51129193A (en) 1976-11-10
JPS6034071B2 JPS6034071B2 (en) 1985-08-06

Family

ID=12585794

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50040628A Expired JPS6034071B2 (en) 1975-04-03 1975-04-03 Clutter removal radar device

Country Status (1)

Country Link
JP (1) JPS6034071B2 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5481793A (en) * 1977-12-13 1979-06-29 Yaskawa Denki Seisakusho Kk Device for measuring displacement
JPS54103690A (en) * 1978-02-01 1979-08-15 Toshiba Corp Radar receiving signal processor
JPS5531946A (en) * 1978-08-29 1980-03-06 Tech Res & Dev Inst Of Japan Def Agency Radar unit of moving objective detection
JPS5560874A (en) * 1978-10-31 1980-05-08 Nec Corp Moving body indication radar
JPS5574476A (en) * 1978-11-30 1980-06-05 Japan Radio Co Ltd Radar system
JPS5585275A (en) * 1978-12-21 1980-06-27 Mitsubishi Electric Corp Device for detecting moving target
JPS61164172A (en) * 1985-01-16 1986-07-24 Mitsubishi Electric Corp Clutter elimination device
JP2019007872A (en) * 2017-06-26 2019-01-17 日本無線株式会社 Clutter removing device and clutter removing program

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5481793A (en) * 1977-12-13 1979-06-29 Yaskawa Denki Seisakusho Kk Device for measuring displacement
JPS54103690A (en) * 1978-02-01 1979-08-15 Toshiba Corp Radar receiving signal processor
JPS6349193B2 (en) * 1978-02-01 1988-10-03 Tokyo Shibaura Electric Co
JPS5531946A (en) * 1978-08-29 1980-03-06 Tech Res & Dev Inst Of Japan Def Agency Radar unit of moving objective detection
JPS6349194B2 (en) * 1978-08-29 1988-10-03 Boeicho Gijutsu Kenkyu Honbucho
JPS5560874A (en) * 1978-10-31 1980-05-08 Nec Corp Moving body indication radar
JPS6260666B2 (en) * 1978-10-31 1987-12-17 Nippon Electric Co
JPS5574476A (en) * 1978-11-30 1980-06-05 Japan Radio Co Ltd Radar system
JPS5585275A (en) * 1978-12-21 1980-06-27 Mitsubishi Electric Corp Device for detecting moving target
JPS61164172A (en) * 1985-01-16 1986-07-24 Mitsubishi Electric Corp Clutter elimination device
JP2019007872A (en) * 2017-06-26 2019-01-17 日本無線株式会社 Clutter removing device and clutter removing program

Also Published As

Publication number Publication date
JPS6034071B2 (en) 1985-08-06

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