SE8505079L - Bredbandig interferenshydrofon med komprimerad sendning - Google Patents

Bredbandig interferenshydrofon med komprimerad sendning

Info

Publication number
SE8505079L
SE8505079L SE8505079A SE8505079A SE8505079L SE 8505079 L SE8505079 L SE 8505079L SE 8505079 A SE8505079 A SE 8505079A SE 8505079 A SE8505079 A SE 8505079A SE 8505079 L SE8505079 L SE 8505079L
Authority
SE
Sweden
Prior art keywords
emitters
pairs
bands
width
equal
Prior art date
Application number
SE8505079A
Other languages
English (en)
Other versions
SE8505079D0 (sv
Inventor
G Grall
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 SE8505079D0 publication Critical patent/SE8505079D0/sv
Publication of SE8505079L publication Critical patent/SE8505079L/sv

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)
  • Transducers For Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
SE8505079A 1984-10-30 1985-10-28 Bredbandig interferenshydrofon med komprimerad sendning SE8505079L (sv)

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
SE8505079D0 SE8505079D0 (sv) 1985-10-28
SE8505079L true SE8505079L (sv) 1987-11-21

Family

ID=9309145

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8505079A SE8505079L (sv) 1984-10-30 1985-10-28 Bredbandig interferenshydrofon med komprimerad sendning

Country Status (9)

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

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
GB2190491B (en) 1988-10-05
GB2190491A (en) 1987-11-18
DE3538436A1 (de) 1988-03-10
US4794574A (en) 1988-12-27
SE8505079D0 (sv) 1985-10-28
DE3538436C2 (de) 1994-06-16
FR2598229B1 (fr) 1988-09-16
BE903546A (fr) 1986-02-17
IT8567897A0 (it) 1985-10-24
FR2598229A1 (fr) 1987-11-06
NO854281L (no) 1987-06-23
CA1266910A (fr) 1990-03-20
IT1199912B (it) 1989-01-05

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Legal Events

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NAV Patent application has lapsed

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Effective date: 19900327