BE786437A - Sonde holographique a transformation de fourier - Google Patents

Sonde holographique a transformation de fourier

Info

Publication number
BE786437A
BE786437A BE786437DA BE786437A BE 786437 A BE786437 A BE 786437A BE 786437D A BE786437D A BE 786437DA BE 786437 A BE786437 A BE 786437A
Authority
BE
Belgium
Prior art keywords
fourier transformation
holographic probe
holographic
probe
fourier
Prior art date
Application number
Other languages
English (en)
Inventor
P Lebail
A-M Gaugers
A Castanet
Original Assignee
Cit Alcatel
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.)
Publication date
Publication of BE786437A publication Critical patent/BE786437A/fr

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
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/18—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein range gates are used
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Holo Graphy (AREA)
BE786437D 1971-07-28 Sonde holographique a transformation de fourier BE786437A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7127668A FR2147469A5 (fr) 1971-07-28 1971-07-28

Publications (1)

Publication Number Publication Date
BE786437A true BE786437A (fr) 1973-01-19

Family

ID=9081074

Family Applications (1)

Application Number Title Priority Date Filing Date
BE786437D BE786437A (fr) 1971-07-28 Sonde holographique a transformation de fourier

Country Status (9)

Country Link
US (1) US3803606A (fr)
JP (1) JPS5425818B1 (fr)
BE (1) BE786437A (fr)
DE (1) DE2237254A1 (fr)
FR (1) FR2147469A5 (fr)
GB (1) GB1339093A (fr)
IT (1) IT963486B (fr)
NL (1) NL160100C (fr)
SE (1) SE377386B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4042928A (en) * 1974-03-22 1977-08-16 Esl Incorporated Technique of characterizing the nature of a radiation path transfer function by a few constants
GB1512269A (en) * 1975-12-17 1978-05-24 Emi Ltd Ultrasonic image conversion
US4053867A (en) * 1975-12-22 1977-10-11 The United States Of America As Represented By The Secretary Of The Navy Acoustic hologram reconstructor using surface acoustic wave devices
US4170142A (en) * 1977-07-15 1979-10-09 Electric Power Research Institute, Inc. Linear transducer array and method for both pulse-echo and holographic acoustic imaging
GB2027885B (en) * 1978-08-14 1982-12-01 Krupp Gmbh Apparatus for determing the direction of incidence of received signals in the short range zone of a sonar istallati/on
FR2465233B1 (fr) * 1979-09-10 1985-11-08 Plessey Overseas Appareil de determination de gisement a radar ultrasonore
US4385301A (en) * 1980-09-02 1983-05-24 General Dynamics Corporation Determining the location of emitters of electromagnetic radiation
FR2552550B1 (fr) * 1983-09-28 1986-02-28 Labo Electronique Physique Appareil d'exploration de milieux par echographie ultrasonore
US4552020A (en) * 1982-10-20 1985-11-12 U.S. Philips Corporation Apparatus for the scanning of objects by means of ultrasound echography
FR2535075A1 (fr) * 1982-10-20 1984-04-27 Labo Electronique Physique Appareil d'exploration de milieux par echographie ultrasonore
US4576286A (en) * 1983-06-27 1986-03-18 Cochlea Corporation Parts sorting systems
US4870623A (en) * 1983-06-27 1989-09-26 Cochlea Corporation System to recognize a geometry parameter of unknown object with continuous wave acoustic energy
US4557386A (en) * 1983-06-27 1985-12-10 Cochlea Corporation System to measure geometric and electromagnetic characteristics of objects
FR2557323A1 (fr) * 1983-12-23 1985-06-28 Cgr Ultrasonic Procede d'imagerie ultrasonore, en couleur, de la structure interne d'un corps
US4690284A (en) * 1985-10-04 1987-09-01 Cochlea Corporation Method of and apparatus for inspecting objects using multiple position detectors
US5208785A (en) * 1990-09-26 1993-05-04 Rowe, Deines Instruments Incorporated Broadband acoustic doppler current profiler
US5384573A (en) * 1990-10-29 1995-01-24 Essex Corporation Image synthesis using time sequential holography
DE4102404C2 (de) * 1991-01-28 1997-11-27 Alexander Dr Zarubin Optische Abtasteinrichtung zur Erzeugung einer zweidimensionalen Abbildung der dreidimensionalen Oberfläche eines Objektes
WO1993013432A1 (fr) * 1991-12-20 1993-07-08 Essex Corporation Synthese d'image utilisant l'holographie a sequence temporelle
US6052334A (en) * 1998-08-04 2000-04-18 Rowe-Deines Instruments System and method for measuring wave directional spectrum and wave height
JP4507482B2 (ja) * 2002-05-15 2010-07-21 日本電気株式会社 適応アンテナ送信装置
US7847925B2 (en) * 2007-06-18 2010-12-07 Teledyne Rd Instruments, Inc. System and method of acoustic doppler beamforming
US8254208B2 (en) 2008-12-08 2012-08-28 Teledyne Rd Instruments, Inc. Multi-state beamforming array
US8654607B2 (en) * 2009-05-27 2014-02-18 Teledyne Rd Instruments, Inc. System and method for determining wave characteristics from a moving platform
US10605913B2 (en) * 2015-10-29 2020-03-31 Garmin Switzerland Gmbh Sonar noise interference rejection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675472A (en) * 1968-12-12 1972-07-11 Nat Res Dev Apparatus and method for images of the interior structure of solid objects
US3685051A (en) * 1969-03-06 1972-08-15 Tetra Tech Holographic imaging system using crossed linear arrays of energy sources and sensors
US3717843A (en) * 1970-03-06 1973-02-20 Bendix Corp Holographic system for forming images of both stationary and moving objects
US3719922A (en) * 1971-06-24 1973-03-06 L Lopes Digital camera

Also Published As

Publication number Publication date
JPS5425818B1 (fr) 1979-08-30
NL7210331A (fr) 1973-01-30
FR2147469A5 (fr) 1973-03-09
US3803606A (en) 1974-04-09
IT963486B (it) 1974-01-10
DE2237254A1 (de) 1973-02-01
NL160100B (nl) 1979-04-17
SE377386B (fr) 1975-06-30
NL160100C (nl) 1979-09-17
GB1339093A (en) 1973-11-28

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