JPS4918090A - - Google Patents

Info

Publication number
JPS4918090A
JPS4918090A JP48041789A JP4178973A JPS4918090A JP S4918090 A JPS4918090 A JP S4918090A JP 48041789 A JP48041789 A JP 48041789A JP 4178973 A JP4178973 A JP 4178973A JP S4918090 A JPS4918090 A JP S4918090A
Authority
JP
Japan
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.)
Pending
Application number
JP48041789A
Other languages
Japanese (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
Publication of JPS4918090A publication Critical patent/JPS4918090A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C17/00—Monitoring; Testing ; Maintaining
    • G21C17/003—Remote inspection of vessels, e.g. pressure vessels
    • G21C17/007—Inspection of the outer surfaces of vessels
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G01S3/8086—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems determining other position line of source
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • G01S5/22—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP48041789A 1972-04-12 1973-04-12 Pending JPS4918090A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1696772A GB1415666A (en) 1972-04-12 1972-04-12 Methods and apparatus for the location of sources of pulse like signals

Publications (1)

Publication Number Publication Date
JPS4918090A true JPS4918090A (enrdf_load_stackoverflow) 1974-02-18

Family

ID=10086857

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48041789A Pending JPS4918090A (enrdf_load_stackoverflow) 1972-04-12 1973-04-12

Country Status (4)

Country Link
JP (1) JPS4918090A (enrdf_load_stackoverflow)
DE (1) DE2317793A1 (enrdf_load_stackoverflow)
FR (1) FR2334276A5 (enrdf_load_stackoverflow)
GB (1) GB1415666A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60128375A (ja) * 1983-12-16 1985-07-09 Tokyo Electric Power Co Inc:The 衝撃位置標定方法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE440829B (sv) * 1980-08-26 1985-08-19 Kockums Ab Sett att detektera sprickforekomst, sprickbildning och spricktillvext i konstruktioner
DE3036951C2 (de) * 1980-09-30 1982-11-25 Kraftwerk Union AG, 4330 Mülheim Verfahren zur Schallemissionsprüfung von aus Stahl bestehenden Behältern oder Rohrleitungen, insbesondere für Kernreaktoranlagen
GB2132352A (en) * 1982-12-17 1984-07-04 British Gas Corp Corrosion detection
JPS59225374A (ja) * 1983-06-06 1984-12-18 Hitachi Ltd 音源位置標定方法とその装置
DE3479759D1 (en) * 1983-10-07 1989-10-19 Hitachi Ltd Method and apparatus for locating a sound source
FR2765324B1 (fr) * 1997-06-25 1999-09-17 Framatome Sa Procede et dispositif de mesure a distance des deformations en service d'une enveloppe d'un faisceau de tubes d'un echangeur de chaleur
US20040158158A1 (en) * 2001-05-19 2004-08-12 Jensen Martin Snejberg Method and an apparatus for localizing pulse
GB2482124B (en) 2010-07-19 2016-08-17 Ultra Electronics Ltd Acoustic structural integrity monitoring system and method
CN109613481A (zh) * 2019-01-10 2019-04-12 重庆大学 一种能适应风洞测试环境的波束形成声源识别方法
CN110095346B (zh) * 2019-04-25 2024-02-27 太原理工大学 高孔隙压力和应力波复合作用下岩石破坏的试验装置及试验方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60128375A (ja) * 1983-12-16 1985-07-09 Tokyo Electric Power Co Inc:The 衝撃位置標定方法

Also Published As

Publication number Publication date
DE2317793A1 (de) 1973-10-18
FR2334276A5 (fr) 1977-07-01
GB1415666A (en) 1975-11-26

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