JPS52105857A - Target discriminating system - Google Patents

Target discriminating system

Info

Publication number
JPS52105857A
JPS52105857A JP2210176A JP2210176A JPS52105857A JP S52105857 A JPS52105857 A JP S52105857A JP 2210176 A JP2210176 A JP 2210176A JP 2210176 A JP2210176 A JP 2210176A JP S52105857 A JPS52105857 A JP S52105857A
Authority
JP
Japan
Prior art keywords
target
discriminating system
target discriminating
sonar
doppler
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
JP2210176A
Other languages
Japanese (ja)
Other versions
JPS5836314B2 (en
Inventor
Tsuneji Koshikawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP51022101A priority Critical patent/JPS5836314B2/en
Priority to US05/730,529 priority patent/US4084148A/en
Publication of JPS52105857A publication Critical patent/JPS52105857A/en
Publication of JPS5836314B2 publication Critical patent/JPS5836314B2/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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52023—Details of receivers
    • G01S7/52036—Details of receivers using analysis of echo signal for target characterisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

PURPOSE:To make the target discrimination of a sonar possible by measuring the Doppler's coefficient in accordance with the multiple reflection waves from an underwater target to extract the shape characteristics of the target.
JP51022101A 1975-10-13 1976-03-03 Reflection point detection method Expired JPS5836314B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP51022101A JPS5836314B2 (en) 1976-03-03 1976-03-03 Reflection point detection method
US05/730,529 US4084148A (en) 1975-10-13 1976-10-07 Object recognition system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51022101A JPS5836314B2 (en) 1976-03-03 1976-03-03 Reflection point detection method

Publications (2)

Publication Number Publication Date
JPS52105857A true JPS52105857A (en) 1977-09-05
JPS5836314B2 JPS5836314B2 (en) 1983-08-08

Family

ID=12073483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51022101A Expired JPS5836314B2 (en) 1975-10-13 1976-03-03 Reflection point detection method

Country Status (1)

Country Link
JP (1) JPS5836314B2 (en)

Also Published As

Publication number Publication date
JPS5836314B2 (en) 1983-08-08

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