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FR2598229B1 - Sonar interferometrique, a large bande et emission comprimee - Google Patents

Sonar interferometrique, a large bande et emission comprimee

Info

Publication number
FR2598229B1
FR2598229B1 FR8416595A FR8416595A FR2598229B1 FR 2598229 B1 FR2598229 B1 FR 2598229B1 FR 8416595 A FR8416595 A FR 8416595A FR 8416595 A FR8416595 A FR 8416595A FR 2598229 B1 FR2598229 B1 FR 2598229B1
Authority
FR
France
Prior art keywords
interferometric
compressed transmission
broadband sonar
sonar
broadband
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
Application number
FR8416595A
Other languages
English (en)
Other versions
FR2598229A1 (fr
Inventor
Georges Grall
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 SA filed Critical Thomson CSF SA
Priority to FR8416595A priority Critical patent/FR2598229B1/fr
Priority to IT67897/85A priority patent/IT1199912B/it
Priority to GB08526233A priority patent/GB2190491B/en
Priority to NO854281A priority patent/NO854281L/no
Priority to SE8505079A priority patent/SE8505079L/xx
Priority to CA000494056A priority patent/CA1266910A/fr
Priority to US06/808,652 priority patent/US4794574A/en
Priority to DE3538436A priority patent/DE3538436C2/de
Priority to BE0/215793A priority patent/BE903546A/fr
Publication of FR2598229A1 publication Critical patent/FR2598229A1/fr
Application granted granted Critical
Publication of FR2598229B1 publication Critical patent/FR2598229B1/fr
Expired 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
    • 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
    • G01S7/52003—Techniques for enhancing spatial resolution of targets
    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/905—Side lobe reduction or shading

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Transducers For Ultrasonic Waves (AREA)
FR8416595A 1984-10-30 1984-10-30 Sonar interferometrique, a large bande et emission comprimee Expired FR2598229B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR8416595A FR2598229B1 (fr) 1984-10-30 1984-10-30 Sonar interferometrique, a large bande et emission comprimee
IT67897/85A IT1199912B (it) 1984-10-30 1985-10-24 Sonar interferometrico
GB08526233A GB2190491B (en) 1984-10-30 1985-10-24 Broad band interference sonar having compressed emission
NO854281A NO854281L (no) 1984-10-30 1985-10-25 Bredbaandsinterferens-sonar med sammentrykket utstraaling
SE8505079A SE8505079L (sv) 1984-10-30 1985-10-28 Bredbandig interferenshydrofon med komprimerad sendning
CA000494056A CA1266910A (fr) 1984-10-30 1985-10-29 Sonar interferometrique a large bande et emission comprimee
US06/808,652 US4794574A (en) 1984-10-30 1985-10-29 Broad band interference sonar having compressed emission
DE3538436A DE3538436C2 (de) 1984-10-30 1985-10-29 Breitband-Interferometer-Sonargerät mit komprimierter Ausstrahlung
BE0/215793A BE903546A (fr) 1984-10-30 1985-10-30 Sonar interférométrique à large bande et émission comprimée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8416595A FR2598229B1 (fr) 1984-10-30 1984-10-30 Sonar interferometrique, a large bande et emission comprimee

Publications (2)

Publication Number Publication Date
FR2598229A1 FR2598229A1 (fr) 1987-11-06
FR2598229B1 true FR2598229B1 (fr) 1988-09-16

Family

ID=9309145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8416595A Expired FR2598229B1 (fr) 1984-10-30 1984-10-30 Sonar interferometrique, a large bande et emission comprimee

Country Status (9)

Country Link
US (1) US4794574A (fr)
BE (1) BE903546A (fr)
CA (1) CA1266910A (fr)
DE (1) DE3538436C2 (fr)
FR (1) FR2598229B1 (fr)
GB (1) GB2190491B (fr)
IT (1) IT1199912B (fr)
NO (1) NO854281L (fr)
SE (1) SE8505079L (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652164A1 (fr) * 1989-09-15 1991-03-22 Thomson Csf Procede de formation de voies pour sonar, notamment pour sonar remorque.
US5208785A (en) * 1990-09-26 1993-05-04 Rowe, Deines Instruments Incorporated Broadband acoustic doppler current profiler
FR2729041B1 (fr) * 1994-12-28 1997-01-31 Thomson Csf Procede d'emission acoustique pour sonar
FR2765447B1 (fr) * 1997-06-30 2002-12-06 Thomson Marconi Sonar Sas Antenne d'emission acoustique pour prospection sismique sous-marine
US6052334A (en) * 1998-08-04 2000-04-18 Rowe-Deines Instruments System and method for measuring wave directional spectrum and wave height
FR2795527B1 (fr) 1999-06-22 2001-09-07 Thomson Marconi Sonar Sas Systeme de prospection sismique sous-marine, notamment pour grands fonds
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412177A1 (fr) * 1977-12-16 1979-07-13 Thomson Csf Systeme d'antenne a pouvoir separateur eleve
FR2519770B1 (fr) * 1982-01-08 1985-10-04 Thomson Csf Systeme d'antenne a pouvoir separateur eleve
FR2534383B1 (fr) * 1982-10-12 1986-01-17 Thomson Csf Sonar interferometrique en acoustique non-lineaire
FR2542884B1 (fr) * 1983-03-18 1986-12-26 Cgr Ultrasonic Procede d'imagerie par ultrasons a partir d'un alignement d'elements transducteurs

Also Published As

Publication number Publication date
US4794574A (en) 1988-12-27
SE8505079L (sv) 1987-11-21
IT1199912B (it) 1989-01-05
FR2598229A1 (fr) 1987-11-06
CA1266910A (fr) 1990-03-20
DE3538436A1 (de) 1988-03-10
BE903546A (fr) 1986-02-17
SE8505079D0 (sv) 1985-10-28
NO854281L (no) 1987-06-23
DE3538436C2 (de) 1994-06-16
GB2190491B (en) 1988-10-05
GB2190491A (en) 1987-11-18
IT8567897A0 (it) 1985-10-24

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse