JPH045159B2 - - Google Patents

Info

Publication number
JPH045159B2
JPH045159B2 JP19209984A JP19209984A JPH045159B2 JP H045159 B2 JPH045159 B2 JP H045159B2 JP 19209984 A JP19209984 A JP 19209984A JP 19209984 A JP19209984 A JP 19209984A JP H045159 B2 JPH045159 B2 JP H045159B2
Authority
JP
Japan
Prior art keywords
received signal
pulses
signal
signal pulse
frequency
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
Application number
JP19209984A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6170483A (ja
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 filed Critical
Priority to JP19209984A priority Critical patent/JPS6170483A/ja
Publication of JPS6170483A publication Critical patent/JPS6170483A/ja
Publication of JPH045159B2 publication Critical patent/JPH045159B2/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)
JP19209984A 1984-09-13 1984-09-13 水中探知装置 Granted JPS6170483A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19209984A JPS6170483A (ja) 1984-09-13 1984-09-13 水中探知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19209984A JPS6170483A (ja) 1984-09-13 1984-09-13 水中探知装置

Publications (2)

Publication Number Publication Date
JPS6170483A JPS6170483A (ja) 1986-04-11
JPH045159B2 true JPH045159B2 (en]) 1992-01-30

Family

ID=16285630

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19209984A Granted JPS6170483A (ja) 1984-09-13 1984-09-13 水中探知装置

Country Status (1)

Country Link
JP (1) JPS6170483A (en])

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5991826B2 (ja) * 2012-02-24 2016-09-14 古野電気株式会社 水中探知装置およびプログラム
JP5965715B2 (ja) * 2012-04-27 2016-08-10 古野電気株式会社 超音波送受信装置、超音波送受信方法、および超音波送受信プログラム
JP6216108B2 (ja) * 2012-10-10 2017-10-18 古野電気株式会社 魚種判別装置、信号処理装置、水中探知機、魚種判別方法、及びプログラム
JP2014077701A (ja) * 2012-10-10 2014-05-01 Furuno Electric Co Ltd 魚群探知装置、信号処理装置、魚群探知機、魚群探知方法、及びプログラム
EP3153881A1 (en) * 2015-10-06 2017-04-12 Furuno Electric Company Limited Detection apparatus, fish finder, and radar

Also Published As

Publication number Publication date
JPS6170483A (ja) 1986-04-11

Similar Documents

Publication Publication Date Title
EP0147955B1 (en) Ultrasonic non-linear parameter measuring system
CA1295043C (en) Method for acoustic reverberation removal
US4290125A (en) Fish detector capable of detecting species of fish
US5949739A (en) Sonar bearing estimation of extended targets
US7245557B2 (en) Sonar
JPH045159B2 (en])
EP0248623A2 (en) Ultrasound scanning apparatus
JP2553480B2 (ja) 魚群探知機の単体魚判別回路
US3710310A (en) System for determining depth of water
JPH03248082A (ja) 海底反射波位置検出装置
JPH0552461B2 (en])
JPH08233788A (ja) 超音波探傷方法及び装置
JPH0139557B2 (en])
JP3243237B2 (ja) 超音波診断装置
JPH11264873A (ja) 物体計測装置
GB2100431A (en) Detection of ultrasonic signals from disturbed liquid interfaces or surfaces
JPH0789146B2 (ja) 水中物探知判別装置
JPH0395477A (ja) 超音波探知装置
JPS5871474A (ja) タ−ゲツトドツプラ表示方式
JPH0672924B2 (ja) 魚群探知機における魚群探知警報発生装置
JPS6365910B2 (en])
SU1422137A1 (ru) Ультразвуковой эхо-импульсный дефектоскоп
JPH1062545A (ja) 魚群探知機における海底検出方法及び装置
JPH0130433B2 (en])
JP3236140B2 (ja) 超音波藻計測装置