JPS646685B2 - - Google Patents

Info

Publication number
JPS646685B2
JPS646685B2 JP55139860A JP13986080A JPS646685B2 JP S646685 B2 JPS646685 B2 JP S646685B2 JP 55139860 A JP55139860 A JP 55139860A JP 13986080 A JP13986080 A JP 13986080A JP S646685 B2 JPS646685 B2 JP S646685B2
Authority
JP
Japan
Prior art keywords
frequency
vibration
acoustic
average frequency
output
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
JP55139860A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5764126A (en
Inventor
Juji Hashimoto
Katsumi Kawai
Mitsuo Suzuki
Yoshihiro Michiguchi
Shigeru Izumi
Kimio Yamada
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.)
Chubu Electric Power Co Inc
Hitachi Ltd
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Chubu Electric Power Co Inc
Hitachi 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 Tokyo Electric Power Co Inc, Chubu Electric Power Co Inc, Hitachi Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP55139860A priority Critical patent/JPS5764126A/ja
Publication of JPS5764126A publication Critical patent/JPS5764126A/ja
Publication of JPS646685B2 publication Critical patent/JPS646685B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/04—Measuring characteristics of vibrations in solids by using direct conduction to the detector of vibrations which are transverse to direction of propagation
    • G01H1/06—Frequency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
JP55139860A 1980-10-08 1980-10-08 Oscillation detecting apparatus Granted JPS5764126A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55139860A JPS5764126A (en) 1980-10-08 1980-10-08 Oscillation detecting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55139860A JPS5764126A (en) 1980-10-08 1980-10-08 Oscillation detecting apparatus

Publications (2)

Publication Number Publication Date
JPS5764126A JPS5764126A (en) 1982-04-19
JPS646685B2 true JPS646685B2 (en]) 1989-02-06

Family

ID=15255218

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55139860A Granted JPS5764126A (en) 1980-10-08 1980-10-08 Oscillation detecting apparatus

Country Status (1)

Country Link
JP (1) JPS5764126A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59102126A (ja) * 1982-12-06 1984-06-13 Babcock Hitachi Kk ル−スパ−ツ監視装置
JP2003066015A (ja) * 2001-08-21 2003-03-05 Ishikawajima Harima Heavy Ind Co Ltd アコーステックエミッション法における信号処理方法
JP5322742B2 (ja) * 2009-04-02 2013-10-23 株式会社東芝 原子炉振動監視方法および原子炉振動監視システム
KR20170051856A (ko) * 2015-11-02 2017-05-12 주식회사 아이티매직 사운드 신호에서 진단 신호를 추출하는 방법 및 진단 장치

Also Published As

Publication number Publication date
JPS5764126A (en) 1982-04-19

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