JPS58118975A - 魚群量測定方法 - Google Patents

魚群量測定方法

Info

Publication number
JPS58118975A
JPS58118975A JP74182A JP74182A JPS58118975A JP S58118975 A JPS58118975 A JP S58118975A JP 74182 A JP74182 A JP 74182A JP 74182 A JP74182 A JP 74182A JP S58118975 A JPS58118975 A JP S58118975A
Authority
JP
Japan
Prior art keywords
fish
circuit
receiving
frequency
sound pressure
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
JP74182A
Other languages
English (en)
Japanese (ja)
Other versions
JPS645655B2 (enExample
Inventor
Shinichiro Kawaguchi
河口　真一郎
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
Nihon Musen KK
Original Assignee
Japan Radio Co Ltd
Nihon Musen KK
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, Nihon Musen KK filed Critical Japan Radio Co Ltd
Priority to JP74182A priority Critical patent/JPS58118975A/ja
Publication of JPS58118975A publication Critical patent/JPS58118975A/ja
Publication of JPS645655B2 publication Critical patent/JPS645655B2/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
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/96—Sonar systems specially adapted for specific applications for locating fish

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP74182A 1982-01-06 1982-01-06 魚群量測定方法 Granted JPS58118975A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP74182A JPS58118975A (ja) 1982-01-06 1982-01-06 魚群量測定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP74182A JPS58118975A (ja) 1982-01-06 1982-01-06 魚群量測定方法

Publications (2)

Publication Number Publication Date
JPS58118975A true JPS58118975A (ja) 1983-07-15
JPS645655B2 JPS645655B2 (enExample) 1989-01-31

Family

ID=11482133

Family Applications (1)

Application Number Title Priority Date Filing Date
JP74182A Granted JPS58118975A (ja) 1982-01-06 1982-01-06 魚群量測定方法

Country Status (1)

Country Link
JP (1) JPS58118975A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000147118A (ja) * 1998-11-10 2000-05-26 Kaijo Corp 計量魚群探知機
CN104536007A (zh) * 2014-05-09 2015-04-22 哈尔滨工程大学 一种基于多视角声学数据的鱼类识别方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000147118A (ja) * 1998-11-10 2000-05-26 Kaijo Corp 計量魚群探知機
CN104536007A (zh) * 2014-05-09 2015-04-22 哈尔滨工程大学 一种基于多视角声学数据的鱼类识别方法

Also Published As

Publication number Publication date
JPS645655B2 (enExample) 1989-01-31

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