JPS5574476A - Radar system - Google Patents

Radar system

Info

Publication number
JPS5574476A
JPS5574476A JP14801678A JP14801678A JPS5574476A JP S5574476 A JPS5574476 A JP S5574476A JP 14801678 A JP14801678 A JP 14801678A JP 14801678 A JP14801678 A JP 14801678A JP S5574476 A JPS5574476 A JP S5574476A
Authority
JP
Japan
Prior art keywords
change
output
mti
over circuit
over
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.)
Pending
Application number
JP14801678A
Other languages
Japanese (ja)
Inventor
Tatsuo Matsuno
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.)
Japan Radio Co Ltd
Original Assignee
Japan Radio 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 Japan Radio Co Ltd filed Critical Japan Radio Co Ltd
Priority to JP14801678A priority Critical patent/JPS5574476A/en
Publication of JPS5574476A publication Critical patent/JPS5574476A/en
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

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)

Abstract

PURPOSE:To make it possible to completely track the target by using alternatively an MTI system and an image subtraction system. CONSTITUTION:An MTI output 201 is supplied as input to a change-over circuit 203, and the change-over circuit 203 carries out the change-over of the MTI output 201 and a normal output 211. The control of the change-over circuit 203 is carried out by a control circuit 218. By use of the signal 219 of a clutter map 216, when a stationary target exists, the MTI output 201 is passed by the change-over circuit 203, and when a stationary target does not exist, the normal output is passed. An MTI/NORMAL output 204 which is the output of the change-over circuit 203 is supplied as input to a change-over circuit 207 and a control circuit 202 where the Doppler component becomes zero, and when the target cannot be detected by the MTI system, it is changed over to an image subtraction output 205.
JP14801678A 1978-11-30 1978-11-30 Radar system Pending JPS5574476A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14801678A JPS5574476A (en) 1978-11-30 1978-11-30 Radar system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14801678A JPS5574476A (en) 1978-11-30 1978-11-30 Radar system

Publications (1)

Publication Number Publication Date
JPS5574476A true JPS5574476A (en) 1980-06-05

Family

ID=15443211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14801678A Pending JPS5574476A (en) 1978-11-30 1978-11-30 Radar system

Country Status (1)

Country Link
JP (1) JPS5574476A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014092458A (en) * 2012-11-02 2014-05-19 Japan Radio Co Ltd Radar receiver

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51129193A (en) * 1975-04-03 1976-11-10 Nec Corp Anticlutter radar device
JPS52117594A (en) * 1976-03-29 1977-10-03 Nec Corp Moving object display radar unit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51129193A (en) * 1975-04-03 1976-11-10 Nec Corp Anticlutter radar device
JPS52117594A (en) * 1976-03-29 1977-10-03 Nec Corp Moving object display radar unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014092458A (en) * 2012-11-02 2014-05-19 Japan Radio Co Ltd Radar receiver

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