IT1119095B - Procedimento e dispositivo per l'esame della struttura di oggetti solidi mediante segnali modulati - Google Patents

Procedimento e dispositivo per l'esame della struttura di oggetti solidi mediante segnali modulati

Info

Publication number
IT1119095B
IT1119095B IT68215/79A IT6821579A IT1119095B IT 1119095 B IT1119095 B IT 1119095B IT 68215/79 A IT68215/79 A IT 68215/79A IT 6821579 A IT6821579 A IT 6821579A IT 1119095 B IT1119095 B IT 1119095B
Authority
IT
Italy
Prior art keywords
examination
procedure
modulated signals
solid objects
objects
Prior art date
Application number
IT68215/79A
Other languages
English (en)
Other versions
IT7968215A0 (it
Original Assignee
Panametrics
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 Panametrics filed Critical Panametrics
Publication of IT7968215A0 publication Critical patent/IT7968215A0/it
Application granted granted Critical
Publication of IT1119095B publication Critical patent/IT1119095B/it

Links

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
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/449—Statistical methods not provided for in G01N29/4409, e.g. averaging, smoothing and interpolation
    • 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
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • G01N29/075—Analysing solids by measuring propagation velocity or propagation time of acoustic waves by measuring or comparing phase angle
    • 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
    • G01N29/345—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics continuous 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • 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
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates
    • 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
    • G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
    • 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
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8959—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using coded signals for correlation purposes
    • 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)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Probability & Statistics with Applications (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
IT68215/79A 1978-06-06 1979-06-05 Procedimento e dispositivo per l'esame della struttura di oggetti solidi mediante segnali modulati IT1119095B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/913,065 US4167879A (en) 1978-06-06 1978-06-06 Method and apparatus for examining a solid

Publications (2)

Publication Number Publication Date
IT7968215A0 IT7968215A0 (it) 1979-06-05
IT1119095B true IT1119095B (it) 1986-03-03

Family

ID=25432899

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68215/79A IT1119095B (it) 1978-06-06 1979-06-05 Procedimento e dispositivo per l'esame della struttura di oggetti solidi mediante segnali modulati

Country Status (6)

Country Link
US (1) US4167879A (it)
JP (1) JPS54160295A (it)
DE (1) DE2919335C2 (it)
FR (1) FR2428251A1 (it)
GB (1) GB2022827B (it)
IT (1) IT1119095B (it)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55103839A (en) * 1979-02-03 1980-08-08 Fujitsu Ltd Ultrasonic diagnosis apparatus
US4364273A (en) * 1980-02-15 1982-12-21 Redding Robert J Apparatus for locating interfaces in media
US4399701A (en) * 1980-06-03 1983-08-23 Unisearch Limited Method and means for detecting decay in wood
US4391142A (en) * 1980-06-10 1983-07-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Frequency tracked gated pulse technique for ultrasonic frequency
JPS576649A (en) * 1980-06-16 1982-01-13 Fujitsu Ltd Ultrasonic diagnosis apparatus
DE3070389D1 (en) * 1980-10-02 1985-05-02 Robert James Redding Apparatus for locating interfaces in media
US4442715A (en) * 1980-10-23 1984-04-17 General Electric Company Variable frequency ultrasonic system
US4480485A (en) * 1982-10-01 1984-11-06 Panametrics, Inc. Acoustic flowmeter with envelope midpoint tracking
GB8333796D0 (en) * 1983-12-19 1984-01-25 Atomic Energy Authority Uk Ultrasonic flaw detection
FR2563918B1 (fr) * 1984-04-10 1987-06-05 Labo Electronique Physique Appareil d'exploration de milieux par echographie ultrasonore
US4577503A (en) * 1984-09-04 1986-03-25 International Business Machines Corporation Method and device for detecting a specific acoustic spectral feature
FR2593919A1 (fr) * 1986-02-04 1987-08-07 Labo Electronique Physique Appareil d'examen de milieux par echographie ultrasonore
GB2191860B (en) * 1986-06-19 1991-01-16 Central Electr Generat Board Method of detecting an obstruction or a discontinuity in a tube
JP2617945B2 (ja) * 1987-08-14 1997-06-11 矢吉 肥後 接合部の非破壊検査方法
FR2621203A1 (fr) * 1987-09-28 1989-03-31 Centre Nat Rech Scient Procede et dispositif d'imagerie ultrasonore
US5203823A (en) * 1989-02-28 1993-04-20 Mitsubishi Denki Kabushiki Kaisha Detecting apparatus
DE69106209T2 (de) * 1990-04-27 1995-08-31 Mitsubishi Electric Corp Aufsichtsvorrichtung.
US5341683A (en) * 1992-06-02 1994-08-30 Searle Donald S Dynamic rail longitudinal stress measuring system
US5386727A (en) * 1992-06-02 1995-02-07 Herzog Contracting Corporation Dynamic rail longitudinal stress measuring system
US5461921A (en) * 1993-07-13 1995-10-31 Iowa State University Research Foundation, Inc. Direct-sequence spread-spectrum ultrasonic testing device
US5602336A (en) * 1993-11-12 1997-02-11 Tokimec Inc. Flow detection apparatus employing tire probes having ultrasonic oscilators mounted therein
US5804729A (en) * 1995-11-28 1998-09-08 Sawtek Inc. Apparatus and associated method for measuring differences in delay measurements
US5831157A (en) * 1996-09-18 1998-11-03 The Boeing Company Digital bond tester
FR2853075B1 (fr) * 2003-03-24 2005-06-10 Centre Nat Rech Scient Procede pour determiner des reponses impulsionnelles d'un milieu visa-vis de la transmission d'ondes entre differents points
US8100832B2 (en) * 2007-04-27 2012-01-24 Hitachi Aloka Medical, Ltd. Ultrasound diagnostic apparatus
JP5629052B2 (ja) * 2008-06-03 2014-11-19 日立アロカメディカル株式会社 超音波診断装置
JP5654198B2 (ja) * 2008-06-16 2015-01-14 日立アロカメディカル株式会社 超音波診断装置
EP2302408B1 (en) * 2009-09-17 2013-02-27 Siemens Aktiengesellschaft A method for detecting an object with an FMCW ranging system
EP2587260A1 (de) * 2011-10-28 2013-05-01 Siemens Aktiengesellschaft Vermeidung von Spätheimkehrerechos bei der Ultraschallprüfung
US8848831B2 (en) * 2012-09-20 2014-09-30 Lsi Corporation Direct digital synthesis of quadrature modulated signals
EP2799905B1 (en) * 2013-05-03 2019-04-10 Ceusonic GmbH High sensitive apparatus for car parking ultrasonic sensors and method thereof
EP3017284B1 (en) * 2013-07-05 2018-09-05 Torque and More (TAM) GmbH Solid borne sound wave phase delay comparison
WO2015118410A2 (en) * 2014-02-10 2015-08-13 Cgg Services Sa System and method for generating simultaneous plural frequencies in seismic exploration

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3050989A (en) * 1958-10-30 1962-08-28 Sperry Prod Inc Carrier technique for wide rance ultrasonic inspection
US3108249A (en) * 1959-10-22 1963-10-22 Alvin H Clement Correlation by random time reference utilization
US3228232A (en) * 1962-08-23 1966-01-11 American Mach & Foundry Ultrasonic inspection device
US3332278A (en) * 1963-07-15 1967-07-25 American Mach & Foundry Ultrasonic flaw detection
US3518415A (en) * 1965-12-27 1970-06-30 Itt Impulse correlation function generator
US3675472A (en) * 1968-12-12 1972-07-11 Nat Res Dev Apparatus and method for images of the interior structure of solid objects
FR2049304A5 (it) * 1969-06-06 1971-03-26 Realisations Ultrasoniques Sa
GB1332898A (en) * 1969-10-15 1973-10-10 Atomic Energy Authority Uk Nondestructive examination of materials
US3803598A (en) * 1971-09-21 1974-04-09 Bendix Corp Inverse ranging and detecting system
US3898840A (en) * 1974-01-30 1975-08-12 Automation Ind Inc Multi-frequency ultrasonic search unit

Also Published As

Publication number Publication date
DE2919335C2 (de) 1984-10-18
US4167879A (en) 1979-09-18
FR2428251A1 (fr) 1980-01-04
JPS54160295A (en) 1979-12-18
DE2919335A1 (de) 1979-12-13
GB2022827A (en) 1979-12-19
FR2428251B1 (it) 1985-02-08
IT7968215A0 (it) 1979-06-05
GB2022827B (en) 1983-03-16

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