JPH0344271B2 - - Google Patents

Info

Publication number
JPH0344271B2
JPH0344271B2 JP58195815A JP19581583A JPH0344271B2 JP H0344271 B2 JPH0344271 B2 JP H0344271B2 JP 58195815 A JP58195815 A JP 58195815A JP 19581583 A JP19581583 A JP 19581583A JP H0344271 B2 JPH0344271 B2 JP H0344271B2
Authority
JP
Japan
Prior art keywords
transducer
generating circuit
received signal
signal
multiplier
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.)
Expired - Lifetime
Application number
JP58195815A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6086479A (ja
Inventor
Tokiaki Yamamoto
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 JP19581583A priority Critical patent/JPS6086479A/ja
Publication of JPS6086479A publication Critical patent/JPS6086479A/ja
Publication of JPH0344271B2 publication Critical patent/JPH0344271B2/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)
JP19581583A 1983-10-18 1983-10-18 魚種判別装置 Granted JPS6086479A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19581583A JPS6086479A (ja) 1983-10-18 1983-10-18 魚種判別装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19581583A JPS6086479A (ja) 1983-10-18 1983-10-18 魚種判別装置

Publications (2)

Publication Number Publication Date
JPS6086479A JPS6086479A (ja) 1985-05-16
JPH0344271B2 true JPH0344271B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-07-05

Family

ID=16347447

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19581583A Granted JPS6086479A (ja) 1983-10-18 1983-10-18 魚種判別装置

Country Status (1)

Country Link
JP (1) JPS6086479A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106417143B (zh) * 2016-09-05 2019-03-19 华中农业大学 一种基于被动声学信息的淡水鱼品种识别装置和方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5937472B2 (ja) * 1979-01-10 1984-09-10 敬介 本多 魚種判別魚群探知機
JPS5667775A (en) * 1979-11-06 1981-06-08 Marine Instr Co Ltd Display unit for color fish finder
JPS58171685A (ja) * 1982-04-01 1983-10-08 Furuno Electric Co Ltd 魚種判別装置

Also Published As

Publication number Publication date
JPS6086479A (ja) 1985-05-16

Similar Documents

Publication Publication Date Title
JP5862773B2 (ja) 超音波送信器、及び、超音波センサ装置
US3464056A (en) Apparatus for displaying the direction of incident plane waves
JPH0344271B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0968569A (ja) 超音波センサ
Chen et al. Ultrasonic non-destructive testing using Barker code pulse compression techniques
JPH04242189A (ja) 超音波検知器
Kimura et al. A high resolution ultrasonic range measurement method using double frequencies and phase detection
JPS61271485A (ja) 多周波超音波パルスの連続送波方法
JPS58171685A (ja) 魚種判別装置
RU97112753A (ru) Устройство связи
JPS6361976A (ja) 超音波スイツチ
JP2849417B2 (ja) 超音波検知器
SU930577A1 (ru) Частотный дискриминатор
JPH0395477A (ja) 超音波探知装置
JP3346528B2 (ja) 超音波レベル計
JPH0518943A (ja) 内部欠陥探知方法およびその装置
RU2288484C2 (ru) Акустический эхолокатор
JPH0643908B2 (ja) 流速・流量測定装置およびその装置を備えた流体搬送管
JPS63145979A (ja) 反射型超音波物体検知装置
JPS6329263Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SU1397830A1 (ru) Устройство ультразвукового контрол материалов и изделий
SU879440A1 (ru) Способ измерени скорости ультразвука
JP2760079B2 (ja) 超音波センサ
JPH1038650A (ja) 超音波流速測定方法
JPS6085381A (ja) ヘドロ探査機