JPS58109867A - 広範囲水中探知装置における聴音装置 - Google Patents

広範囲水中探知装置における聴音装置

Info

Publication number
JPS58109867A
JPS58109867A JP21569581A JP21569581A JPS58109867A JP S58109867 A JPS58109867 A JP S58109867A JP 21569581 A JP21569581 A JP 21569581A JP 21569581 A JP21569581 A JP 21569581A JP S58109867 A JPS58109867 A JP S58109867A
Authority
JP
Japan
Prior art keywords
circuit
signal
received
phase
oscillators
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
JP21569581A
Other languages
English (en)
Japanese (ja)
Other versions
JPS628155B2 (2
Inventor
Isao Yamamoto
勲 山本
Toyoki Sasakura
豊喜 笹倉
Hiroshi Iino
飯野　博司
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.)
Furuno Electric Co Ltd
Original Assignee
Furuno 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 Furuno Electric Co Ltd filed Critical Furuno Electric Co Ltd
Priority to JP21569581A priority Critical patent/JPS58109867A/ja
Publication of JPS58109867A publication Critical patent/JPS58109867A/ja
Publication of JPS628155B2 publication Critical patent/JPS628155B2/ja
Granted 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP21569581A 1981-12-23 1981-12-23 広範囲水中探知装置における聴音装置 Granted JPS58109867A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21569581A JPS58109867A (ja) 1981-12-23 1981-12-23 広範囲水中探知装置における聴音装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21569581A JPS58109867A (ja) 1981-12-23 1981-12-23 広範囲水中探知装置における聴音装置

Publications (2)

Publication Number Publication Date
JPS58109867A true JPS58109867A (ja) 1983-06-30
JPS628155B2 JPS628155B2 (2) 1987-02-20

Family

ID=16676619

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21569581A Granted JPS58109867A (ja) 1981-12-23 1981-12-23 広範囲水中探知装置における聴音装置

Country Status (1)

Country Link
JP (1) JPS58109867A (2)

Also Published As

Publication number Publication date
JPS628155B2 (2) 1987-02-20

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