NO810960L - Akustisk bildesystem. - Google Patents

Akustisk bildesystem.

Info

Publication number
NO810960L
NO810960L NO810960A NO810960A NO810960L NO 810960 L NO810960 L NO 810960L NO 810960 A NO810960 A NO 810960A NO 810960 A NO810960 A NO 810960A NO 810960 L NO810960 L NO 810960L
Authority
NO
Norway
Prior art keywords
signal
signals
filter
stated
circuits
Prior art date
Application number
NO810960A
Other languages
English (en)
Norwegian (no)
Inventor
Pierre Tournois
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Publication of NO810960L publication Critical patent/NO810960L/no

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
    • G06G7/195—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions using electro- acoustic elements
    • 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
    • G01S15/8902—Side-looking sonar
    • 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
    • G01S7/52053—Display arrangements
    • G01S7/52057—Cathode ray tube displays
    • G01S7/5206—Two-dimensional coordinated display of distance and direction; B-scan display
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H3/00—Holographic processes or apparatus using ultrasonic, sonic or infrasonic waves for obtaining holograms; Processes or apparatus for obtaining an optical image from them
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/36—Devices for manipulating acoustic surface waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Closed-Circuit Television Systems (AREA)
NO810960A 1980-03-21 1981-03-20 Akustisk bildesystem. NO810960L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8006404A FR2478824A1 (fr) 1980-03-21 1980-03-21 Systeme d'imagerie acoustique

Publications (1)

Publication Number Publication Date
NO810960L true NO810960L (no) 1981-09-22

Family

ID=9239971

Family Applications (1)

Application Number Title Priority Date Filing Date
NO810960A NO810960L (no) 1980-03-21 1981-03-20 Akustisk bildesystem.

Country Status (7)

Country Link
US (1) US4403311A (pt)
EP (1) EP0036794A1 (pt)
BR (1) BR8101691A (pt)
DK (1) DK126581A (pt)
ES (1) ES500554A0 (pt)
FR (1) FR2478824A1 (pt)
NO (1) NO810960L (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5979852A (ja) * 1982-10-29 1984-05-09 Asahi Chem Ind Co Ltd 微視的破壊検出装置
FR2562676B1 (fr) * 1984-04-06 1986-06-27 Inst Francais Du Petrole Dispositif pour le traitement des signaux modules recus par un systeme sonar
US4855961A (en) * 1986-07-31 1989-08-08 Woods Hole Oceanographic Institute Imaging apparatus
US4975887A (en) * 1987-01-09 1990-12-04 The United States Of America As Represented By The Secretary Of The Navy Bistatic side scan sonar
US4829306A (en) * 1987-08-31 1989-05-09 Norges Teknisk-Naturvitenskapelige Forskningsråd System for detection of objects with given, known characteristics against a background
DE4000698A1 (de) * 1990-01-12 1991-07-18 Hermesmeyer Alexander C Dipl I Vorrichtung und verfahren zum erkennen der anwesenheit eines fahrzeugs mittels einer ultraschallvorrichtung
ES2080640B1 (es) * 1990-08-09 1997-04-16 Furuno Electric Co Sistema de deteccion de aguas submarinas.
SE9201556D0 (sv) * 1992-05-15 1992-05-15 Metallteknik Met O Matic Ab Entresystem med oeppningsbara spaerranordningar foer butikslokaler
WO1995010320A1 (en) 1993-10-15 1995-04-20 Ep Technologies, Inc. Device for lengthening cardiac conduction pathways
US6005827A (en) 1995-03-02 1999-12-21 Acuson Corporation Ultrasonic harmonic imaging system and method
US5678554A (en) * 1996-07-02 1997-10-21 Acuson Corporation Ultrasound transducer for multiple focusing and method for manufacture thereof
US5608690A (en) * 1995-03-02 1997-03-04 Acuson Corporation Transmit beamformer with frequency dependent focus
US6009046A (en) * 1995-03-02 1999-12-28 Acuson Corporation Ultrasonic harmonic imaging system and method
US6027448A (en) * 1995-03-02 2000-02-22 Acuson Corporation Ultrasonic transducer and method for harmonic imaging
FR2751095B1 (fr) * 1996-07-09 1998-10-30 Thomson Csf Dispositif de controle d'impulsions lumineuses par un dispositif programmable acousto-optique
US5891037A (en) * 1997-12-18 1999-04-06 Acuson Corporation Ultrasonic Doppler imaging system with frequency dependent focus
US5930199A (en) * 1998-03-17 1999-07-27 Wilk; Peter J. Imaging system and associated method for surveying underwater objects
US6055212A (en) * 1998-07-09 2000-04-25 Wilk; Peter J. Ultrasonic imaging system and associated method
US6002644A (en) * 1998-04-20 1999-12-14 Wilk; Peter J. Imaging system and associated method for surveying underwater objects
AU5078799A (en) * 1998-03-17 1999-10-25 Wilk Patent Development Corporation Imaging system for detecting underground and underwater objects and associated method
US6241674B1 (en) 1999-03-31 2001-06-05 Acuson Corporation Medical ultrasound diagnostic imaging method and system with nonlinear phase modulation pulse compression
US6213947B1 (en) 1999-03-31 2001-04-10 Acuson Corporation Medical diagnostic ultrasonic imaging system using coded transmit pulses
US6678403B1 (en) 2000-09-13 2004-01-13 Peter J. Wilk Method and apparatus for investigating integrity of structural member
US20180011190A1 (en) * 2016-07-05 2018-01-11 Navico Holding As High Ping Rate Sonar

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680105A (en) * 1970-10-05 1972-07-25 Raytheon Co Pulse compression radar system
US3771116A (en) * 1972-01-12 1973-11-06 Bendix Corp Method and apparatus for imaging stationary and moving objects
US3935439A (en) * 1974-07-12 1976-01-27 Texas Instruments Incorporated Variable tap weight convolution filter
US4049958A (en) * 1975-03-03 1977-09-20 Texas Instruments Incorporated Programable filter using chirp-Z transform
US4119940A (en) * 1976-10-18 1978-10-10 The Bendix Corporation Underwater viewing system
US4167737A (en) * 1978-01-09 1979-09-11 Raytheon Company Hybrid pulse compression system

Also Published As

Publication number Publication date
BR8101691A (pt) 1981-09-22
ES8202957A1 (es) 1982-03-01
US4403311A (en) 1983-09-06
EP0036794A1 (fr) 1981-09-30
DK126581A (da) 1981-11-02
ES500554A0 (es) 1982-03-01
FR2478824A1 (fr) 1981-09-25

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