DE3482497D1 - Ultraschall-charakterisierung eines mediums. - Google Patents

Ultraschall-charakterisierung eines mediums.

Info

Publication number
DE3482497D1
DE3482497D1 DE8484308285T DE3482497T DE3482497D1 DE 3482497 D1 DE3482497 D1 DE 3482497D1 DE 8484308285 T DE8484308285 T DE 8484308285T DE 3482497 T DE3482497 T DE 3482497T DE 3482497 D1 DE3482497 D1 DE 3482497D1
Authority
DE
Germany
Prior art keywords
medium
ultrasonic characterization
characterization
ultrasonic
Prior art date
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.)
Expired - Fee Related
Application number
DE8484308285T
Other languages
English (en)
Inventor
Takaki C O Fujitsu Lim Shimura
Keiichi C O Fujitsu L Murakami
Yutaka C O Fujitsu Li Igarashi
Akira C O Fujitsu Limite Shiba
Hajime C O Fujitsu Lim Hayashi
Hirohide C O Fujitsu Limi Miwa
Michitoshi C O Fujitsu L Inoue
Masayuki C O Fujitsu Matsumoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE3482497D1 publication Critical patent/DE3482497D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01S15/8977—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using special techniques for image reconstruction, e.g. FFT, geometrical transformations, spatial deconvolution, time deconvolution
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52023—Details of receivers
    • G01S7/52025—Details of receivers for pulse systems
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52023—Details of receivers
    • G01S7/52036—Details of receivers using analysis of echo signal for target characterisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DE8484308285T 1983-11-30 1984-11-29 Ultraschall-charakterisierung eines mediums. Expired - Fee Related DE3482497D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58225666A JPS60116345A (ja) 1983-11-30 1983-11-30 超音波診断装置

Publications (1)

Publication Number Publication Date
DE3482497D1 true DE3482497D1 (de) 1990-07-19

Family

ID=16832873

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484308285T Expired - Fee Related DE3482497D1 (de) 1983-11-30 1984-11-29 Ultraschall-charakterisierung eines mediums.

Country Status (4)

Country Link
US (1) US4655228A (de)
EP (1) EP0143664B1 (de)
JP (1) JPS60116345A (de)
DE (1) DE3482497D1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6382623A (ja) * 1986-09-27 1988-04-13 日立建機株式会社 頭蓋内圧の測定装置
EP0413816B1 (de) * 1986-09-27 1994-12-07 Hitachi Construction Machinery Co., Ltd. Verfahren zur Aufzeichnung des intrakraniellen Druckes
US4884247A (en) * 1987-03-09 1989-11-28 Mobil Oil Company Method of processing geophysical data to compensate for earth filter attenuation
FR2614450A1 (fr) * 1987-04-21 1988-10-28 Labo Electronique Physique Procede et appareil d'examen de milieux par echographie ultrasonore
EP0299906A3 (de) * 1987-07-16 1990-06-13 The University Of Melbourne In vivo Knochenbeschaffenheitsmessung
US4855911A (en) * 1987-11-16 1989-08-08 Massachusetts Institute Of Technology Ultrasonic tissue characterization
JPH0640096B2 (ja) * 1989-05-22 1994-05-25 工業技術院長 微小散乱体間隔空間分布測定方法および装置
IL91929A (en) * 1989-10-08 1995-03-30 Irt Inspection Res & Tech Apparatus and method for the acquisition and processing of data for analyzing flaws in material
JPH04188058A (ja) * 1990-11-21 1992-07-06 Olympus Optical Co Ltd 超音波探傷装置
JPH05176926A (ja) * 1991-12-27 1993-07-20 Shimadzu Corp 超音波診断装置
FR2752461B1 (fr) * 1996-08-14 1998-11-06 Dory Jacques Procede et dispositif pour le traitement de signaux representatifs d'ondes reflechies ou transmises par une structure volumique en vue d'effectuer une exploration et une analyse de cette structure
WO1999025249A1 (en) 1997-11-14 1999-05-27 Colorado Seminary Ultrasonic system for grading meat
US6333986B1 (en) 1998-05-08 2001-12-25 Lockheed Martin Corporation Cepstral method and system for detecting/classifying objects from air-based or space-based images
IT1306874B1 (it) * 1999-06-25 2001-10-11 Consiglio Nazionale Ricerche Metodo acustico non invasivo per la rivelazione e la mappatura deidistacchi nei dipinti ad affresco e nei dipinti murali in genere, e
US6427536B1 (en) 1999-12-13 2002-08-06 International Business Machines Corporation Method and system for measuring anisotropic material properties
US6785570B2 (en) * 2000-12-22 2004-08-31 Md Medical Diagnostics Inc. System and method for analysis of a tissue
US20040039273A1 (en) * 2002-02-22 2004-02-26 Terry Alvin Mark Cepstral domain pulse oximetry
US6650918B2 (en) 2002-02-22 2003-11-18 Datex-Ohmeda, Inc. Cepstral domain pulse oximetry
US6943724B1 (en) 2002-10-30 2005-09-13 Lockheed Martin Corporation Identification and tracking of moving objects in detected synthetic aperture imagery
US6864828B1 (en) 2003-02-18 2005-03-08 Lockheed Martin Corporation Method and apparatus for collection and processing of interferometric synthetic aperture radar data
US20070043290A1 (en) * 2005-08-03 2007-02-22 Goepp Julius G Method and apparatus for the detection of a bone fracture
US8259830B1 (en) 2009-10-14 2012-09-04 Google Inc. Simultaneous use of multiple radio frequency channels
US8923364B1 (en) 2013-03-13 2014-12-30 Google Inc. Transmitting data over discontiguous portions of radio frequency spectrum
US10571390B2 (en) * 2015-12-21 2020-02-25 The Boeing Company Composite inspection

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052889A (en) * 1976-06-10 1977-10-11 Adaptronics, Inc. System for measurement of subsurface fatigue crack size
US4154114A (en) * 1977-12-02 1979-05-15 Sonometrics Systems, Inc. Biometric measuring device
DE2818768C2 (de) * 1978-04-28 1986-07-24 Hewlett-Packard GmbH, 7030 Böblingen Verfahren und Vorrichtung zum Messen der Frequenz bzw. der Periodendauer der Grundschwingung eines annähernd periodischen Eingangssignales
US4441368A (en) * 1982-04-19 1984-04-10 General Electric Company Method and means for determining ultrasonic wave attenuation in tissue
US4453550A (en) * 1982-04-19 1984-06-12 General Electric Company Method and means for detecting a periodic wave structure
JPS5919852A (ja) * 1982-07-26 1984-02-01 Fujitsu Ltd 超音波生体組織特性測定方式

Also Published As

Publication number Publication date
JPS60116345A (ja) 1985-06-22
EP0143664B1 (de) 1990-06-13
JPH0249102B2 (de) 1990-10-29
EP0143664A3 (en) 1986-02-19
US4655228A (en) 1987-04-07
EP0143664A2 (de) 1985-06-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee