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
Links
Classifications
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- 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
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- 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
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- 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
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- 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)
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)
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)
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 |
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1972
- 1972-04-12 GB GB1696772A patent/GB1415666A/en not_active Expired
-
1973
- 1973-04-09 DE DE2317793A patent/DE2317793A1/en active Pending
- 1973-04-11 FR FR7313044A patent/FR2334276A5/en not_active Expired
- 1973-04-12 JP JP48041789A patent/JPS4918090A/ja active Pending
Cited By (2)
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 |