IT1096070B - PROCEDURE FOR THE DIFFERENTIATION OF US SIGNALS (ULTRASOUND) WHOSE REFLECTION HAS DIFFERENT CAUSES - Google Patents
PROCEDURE FOR THE DIFFERENTIATION OF US SIGNALS (ULTRASOUND) WHOSE REFLECTION HAS DIFFERENT CAUSESInfo
- Publication number
- IT1096070B IT1096070B IT23018/78A IT2301878A IT1096070B IT 1096070 B IT1096070 B IT 1096070B IT 23018/78 A IT23018/78 A IT 23018/78A IT 2301878 A IT2301878 A IT 2301878A IT 1096070 B IT1096070 B IT 1096070B
- Authority
- IT
- Italy
- Prior art keywords
- ultrasound
- differentiation
- procedure
- signals
- different causes
- Prior art date
Links
- 230000004069 differentiation Effects 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000002604 ultrasonography Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0609—Display arrangements, e.g. colour displays
- G01N29/0618—Display arrangements, e.g. colour displays synchronised with scanning, e.g. in real-time
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/48—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by amplitude comparison
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2722709 | 1977-05-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7823018A0 IT7823018A0 (en) | 1978-05-04 |
IT1096070B true IT1096070B (en) | 1985-08-17 |
Family
ID=6009407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23018/78A IT1096070B (en) | 1977-05-16 | 1978-05-04 | PROCEDURE FOR THE DIFFERENTIATION OF US SIGNALS (ULTRASOUND) WHOSE REFLECTION HAS DIFFERENT CAUSES |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS53143386A (en) |
FR (1) | FR2391471A1 (en) |
IT (1) | IT1096070B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4290308A (en) * | 1979-09-17 | 1981-09-22 | Electric Power Research Institute, Inc. | Method of monitoring defects in tubular products |
FR2549607B1 (en) * | 1983-07-19 | 1986-01-31 | Gaz De France | METHOD FOR DETECTING DEFECTS, ESPECIALLY INTERNAL, SUCH AS CRACKS IN WELDED JOINTS |
-
1978
- 1978-05-04 IT IT23018/78A patent/IT1096070B/en active
- 1978-05-11 FR FR7814666A patent/FR2391471A1/en not_active Withdrawn
- 1978-05-16 JP JP5816978A patent/JPS53143386A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS53143386A (en) | 1978-12-13 |
FR2391471A1 (en) | 1978-12-15 |
IT7823018A0 (en) | 1978-05-04 |
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