JPH0449668B2 - - Google Patents

Info

Publication number
JPH0449668B2
JPH0449668B2 JP58192464A JP19246483A JPH0449668B2 JP H0449668 B2 JPH0449668 B2 JP H0449668B2 JP 58192464 A JP58192464 A JP 58192464A JP 19246483 A JP19246483 A JP 19246483A JP H0449668 B2 JPH0449668 B2 JP H0449668B2
Authority
JP
Japan
Prior art keywords
frequency
signal
sludge
amplifier
transducer
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
JP58192464A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6085381A (ja
Inventor
Hideyuki Takahashi
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP58192464A priority Critical patent/JPS6085381A/ja
Publication of JPS6085381A publication Critical patent/JPS6085381A/ja
Publication of JPH0449668B2 publication Critical patent/JPH0449668B2/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

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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP58192464A 1983-10-17 1983-10-17 ヘドロ探査機 Granted JPS6085381A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58192464A JPS6085381A (ja) 1983-10-17 1983-10-17 ヘドロ探査機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58192464A JPS6085381A (ja) 1983-10-17 1983-10-17 ヘドロ探査機

Publications (2)

Publication Number Publication Date
JPS6085381A JPS6085381A (ja) 1985-05-14
JPH0449668B2 true JPH0449668B2 (enrdf_load_stackoverflow) 1992-08-12

Family

ID=16291727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58192464A Granted JPS6085381A (ja) 1983-10-17 1983-10-17 ヘドロ探査機

Country Status (1)

Country Link
JP (1) JPS6085381A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6375554A (ja) * 1986-09-17 1988-04-05 Nobuo Nakayama 音波を利用した測定方法および装置
JP7188717B1 (ja) 2022-03-14 2022-12-13 株式会社人材開発支援機構 ヘドロ厚測定方法およびヘドロ厚測定装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928872B2 (ja) * 1979-11-16 1984-07-16 沖電気工業株式会社 音響測深儀
JPS5796255A (en) * 1980-12-05 1982-06-15 Oki Electric Ind Co Ltd Sludge detector

Also Published As

Publication number Publication date
JPS6085381A (ja) 1985-05-14

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