JPH029717B2 - - Google Patents

Info

Publication number
JPH029717B2
JPH029717B2 JP58143756A JP14375683A JPH029717B2 JP H029717 B2 JPH029717 B2 JP H029717B2 JP 58143756 A JP58143756 A JP 58143756A JP 14375683 A JP14375683 A JP 14375683A JP H029717 B2 JPH029717 B2 JP H029717B2
Authority
JP
Japan
Prior art keywords
detection
time
circuit
point
cross
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
JP58143756A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6035284A (ja
Inventor
Tadamitsu Ryu
Hideaki Arisaka
Kyoko Myashita
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP58143756A priority Critical patent/JPS6035284A/ja
Publication of JPS6035284A publication Critical patent/JPS6035284A/ja
Publication of JPH029717B2 publication Critical patent/JPH029717B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04FTIME-INTERVAL MEASURING
    • G04F10/00Apparatus for measuring unknown time intervals by electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP58143756A 1983-08-08 1983-08-08 検出時刻差測定方法 Granted JPS6035284A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58143756A JPS6035284A (ja) 1983-08-08 1983-08-08 検出時刻差測定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58143756A JPS6035284A (ja) 1983-08-08 1983-08-08 検出時刻差測定方法

Publications (2)

Publication Number Publication Date
JPS6035284A JPS6035284A (ja) 1985-02-23
JPH029717B2 true JPH029717B2 (en]) 1990-03-05

Family

ID=15346282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58143756A Granted JPS6035284A (ja) 1983-08-08 1983-08-08 検出時刻差測定方法

Country Status (1)

Country Link
JP (1) JPS6035284A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03205587A (ja) * 1990-01-06 1991-09-09 Yuuseishiyou Tsushin Sogo Kenkyusho 火山性微動の相互相関による発生領域の決定法
JP6355095B1 (ja) * 2017-10-30 2018-07-11 株式会社システムアンドデータリサーチ 二点間の波動伝播時間の推定方法
JP6355061B1 (ja) * 2017-11-02 2018-07-11 株式会社システムアンドデータリサーチ 二点間の波動伝播時間の推定方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS608468B2 (ja) * 1980-09-25 1985-03-02 日本国有鉄道 地震早期検知警報システム

Also Published As

Publication number Publication date
JPS6035284A (ja) 1985-02-23

Similar Documents

Publication Publication Date Title
CN102016566B (zh) 超声波探伤方法和装置
US4910718A (en) Method and apparatus for acoustic emission monitoring
CN102630302A (zh) 高精度超声波腐蚀速率监测
US4641526A (en) Method and apparatus for estimating sound source position
US7889596B2 (en) Method and a system for determining the position of a drill bit
CN112285650B (zh) 异常tdoa存在下未知波速声发射源定位方法、系统及存储介质
US6028823A (en) Geodetic position estimation for underwater acoustic sensors
US5206838A (en) Ultrasonic transducer
JPH11201858A (ja) 相関法を用いる管路系の振動測定方法
CN118089869B (zh) 超声水表回波特征峰搜索方法、装置、设备及介质
JPH029717B2 (en])
JPH0361915B2 (en])
JP2650935B2 (ja) 部分放電位置標定方法
JP2891767B2 (ja) Ae発生位置標定装置
JPS58208636A (ja) 漏水等配管からの漏れ位置検出装置
JPH0750144B2 (ja) 部分放電位置標定方法
JP3395072B2 (ja) 海洋音響トモグラフィデータ解析装置
JP3450063B2 (ja) 被検体の異常箇所標定装置
CN113381910B (zh) 多星粗校时完好性分析方法、装置、计算机设备和介质
SU1019316A1 (ru) Устройство дл определени координат источников акустической эмиссии
JPS6112546B2 (en])
JPH0288914A (ja) 超音波厚み測定方法および測定装置
JPH0142038Y2 (en])
JPH0823312A (ja) 信号処理装置
SU1647386A1 (ru) Ультразвуковой дефектоскоп