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

    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C17/00Monitoring; Testing ; Maintaining
    • G21C17/003Remote inspection of vessels, e.g. pressure vessels
    • G21C17/007Inspection of the outer surfaces of vessels
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80Direction-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
    • G01S3/802Systems for determining direction or deviation from predetermined direction
    • G01S3/808Systems 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
    • G01S3/8086Systems 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/18Position-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
    • G01S5/22Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear 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 (en)

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 (en) 1974-02-18

Family

ID=10086857

Family Applications (1)

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

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60128375A (en) * 1983-12-16 1985-07-09 Tokyo Electric Power Co Inc:The Spotting method of impact position

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE440829B (en) * 1980-08-26 1985-08-19 Kockums Ab VIEW TO DETECT CRACKING EVENT, CRACKING AND CRACKING IN CONSTRUCTIONS
DE3036951C2 (en) * 1980-09-30 1982-11-25 Kraftwerk Union AG, 4330 Mülheim Method for acoustic emission testing of containers or pipelines made of steel, in particular for nuclear reactor plants
GB2132352A (en) * 1982-12-17 1984-07-04 British Gas Corp Corrosion detection
JPS59225374A (en) * 1983-06-06 1984-12-18 Hitachi Ltd Method and apparatus for locating sound source position
EP0149723B1 (en) * 1983-10-07 1989-09-13 Hitachi, Ltd. Method and apparatus for locating a sound source
FR2765324B1 (en) * 1997-06-25 1999-09-17 Framatome Sa METHOD AND DEVICE FOR REMOTELY MEASURING DEFORMATIONS IN SERVICE OF A CASING OF A TUBE BEAM OF A HEAT EXCHANGER
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 (en) * 2019-01-10 2019-04-12 重庆大学 A kind of Wave beam forming identification of sound source method adapting to wind tunnel test environment
CN110095346B (en) * 2019-04-25 2024-02-27 太原理工大学 Rock damage test device and test method under high pore pressure and stress wave composite action

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60128375A (en) * 1983-12-16 1985-07-09 Tokyo Electric Power Co Inc:The Spotting method of impact position
JPH041870B2 (en) * 1983-12-16 1992-01-14 Tokyo Denryoku Kk

Also Published As

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

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