NO147050B - Undervannsobservasjonssystem. - Google Patents

Undervannsobservasjonssystem.

Info

Publication number
NO147050B
NO147050B NO773552A NO773552A NO147050B NO 147050 B NO147050 B NO 147050B NO 773552 A NO773552 A NO 773552A NO 773552 A NO773552 A NO 773552A NO 147050 B NO147050 B NO 147050B
Authority
NO
Norway
Prior art keywords
observation system
underwater observation
underwater
observation
Prior art date
Application number
NO773552A
Other languages
English (en)
Other versions
NO773552L (no
NO147050C (no
Inventor
Patrick Norman Keating
Roger Fred Koppelman
Takeo Sawatari
Original Assignee
Bendix Corp
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 Bendix Corp filed Critical Bendix Corp
Publication of NO773552L publication Critical patent/NO773552L/no
Publication of NO147050B publication Critical patent/NO147050B/no
Publication of NO147050C publication Critical patent/NO147050C/no

Links

Classifications

    • 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
    • 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
    • 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
    • G01S15/895—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum
    • G01S15/8952—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum using discrete, multiple frequencies
    • 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)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Holo Graphy (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
NO773552A 1976-10-18 1977-10-17 Undervannsobservasjonssystem. NO147050C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/733,509 US4119940A (en) 1976-10-18 1976-10-18 Underwater viewing system

Publications (3)

Publication Number Publication Date
NO773552L NO773552L (no) 1978-04-19
NO147050B true NO147050B (no) 1982-10-11
NO147050C NO147050C (no) 1983-01-19

Family

ID=24947908

Family Applications (1)

Application Number Title Priority Date Filing Date
NO773552A NO147050C (no) 1976-10-18 1977-10-17 Undervannsobservasjonssystem.

Country Status (6)

Country Link
US (1) US4119940A (no)
JP (1) JPS5350862A (no)
DE (1) DE2745510A1 (no)
FR (1) FR2368069A1 (no)
GB (1) GB1542164A (no)
NO (1) NO147050C (no)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465233B1 (fr) * 1979-09-10 1985-11-08 Plessey Overseas Appareil de determination de gisement a radar ultrasonore
FR2478822A1 (fr) * 1980-03-18 1981-09-25 Thomson Csf Systeme de detection active au moyen d'emissions multiples simultanees
FR2478824A1 (fr) * 1980-03-21 1981-09-25 Thomson Csf Systeme d'imagerie acoustique
FR2492109B1 (fr) * 1980-10-10 1985-07-05 Thomson Csf Systeme d'imagerie a emissions multiples et simultanees
FR2493528A1 (fr) * 1980-11-04 1982-05-07 Thomson Csf Systeme de detection multivoies a emission diversifiee
US4415996A (en) * 1981-06-09 1983-11-15 The United States Of America As Represented By The Secretary Of The Navy Nonwavelength-limited holographic sound field reconstruction
US4760398A (en) * 1981-09-30 1988-07-26 The Boeing Company Methods and apparatus for determining the differential sideband power of radar signals
JPS61110074A (ja) * 1984-11-02 1986-05-28 Hitachi Ltd 水中物体探知方式
JPS6220414U (no) * 1985-07-19 1987-02-06
US4855961A (en) * 1986-07-31 1989-08-08 Woods Hole Oceanographic Institute Imaging apparatus
US4829306A (en) * 1987-08-31 1989-05-09 Norges Teknisk-Naturvitenskapelige Forskningsråd System for detection of objects with given, known characteristics against a background
US4847817A (en) * 1987-12-31 1989-07-11 The United States Of America As Represented By The Secretary Of The Navy Broadband sonar signal processor and target recognition system
DE3828151A1 (de) * 1988-08-19 1990-02-22 Honeywell Elac Nautik Gmbh Unterwasser-peilgeraet
FR2643464B1 (fr) * 1989-02-17 1991-06-14 Thomson Csf Procede pour augmenter la cadence image d'un sonar et sonar pour la mise en oeuvre de ce procede
FR2648231B1 (fr) * 1989-06-13 1994-05-27 Alais Pierre Procede et dispositif d'imagerie ultra sonore d'objets en milieu liquide
US5150336A (en) * 1991-09-03 1992-09-22 The United States Of America As Represented By The Secretary Of The Navy Frequency dispersive transmitting array
US7046582B1 (en) 2004-11-24 2006-05-16 Raytheon Company Method and system for synthetic aperture sonar
US7133326B2 (en) * 2004-11-24 2006-11-07 Raytheon Company Method and system for synthetic aperture sonar
US7242638B2 (en) * 2004-11-24 2007-07-10 Raytheon Company Method and system for synthetic aperture sonar
EP1952176A1 (en) * 2005-10-28 2008-08-06 The Brigham and Women's Hospital, Inc. Ultrasound imaging
US20080144441A1 (en) * 2006-07-11 2008-06-19 Colangelo Frank G Sonar device
US8437979B2 (en) * 2007-01-20 2013-05-07 Kcf Technologies, Inc. Smart tether system for underwater navigation and cable shape measurement
US10142041B2 (en) 2015-08-11 2018-11-27 Telefonaktiebolaget Lm Ericsson (Publ) Homodyne receiver calibration
WO2018163844A1 (ja) 2017-03-10 2018-09-13 古野電気株式会社 超音波探知装置及び超音波探知方法
US11579288B2 (en) * 2018-04-14 2023-02-14 Coda Octopus Group Inc. Pseudo random frequency sonar ping generation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3719922A (en) * 1971-06-24 1973-03-06 L Lopes Digital camera
US3771116A (en) * 1972-01-12 1973-11-06 Bendix Corp Method and apparatus for imaging stationary and moving objects
US3942150A (en) * 1974-08-12 1976-03-02 The United States Of America As Represented By The Secretary Of The Navy Correction of spatial non-uniformities in sonar, radar, and holographic acoustic imaging systems

Also Published As

Publication number Publication date
DE2745510A1 (de) 1978-04-20
US4119940A (en) 1978-10-10
FR2368069B1 (no) 1980-05-16
JPS6218915B2 (no) 1987-04-24
FR2368069A1 (fr) 1978-05-12
NO773552L (no) 1978-04-19
JPS5350862A (en) 1978-05-09
GB1542164A (en) 1979-03-14
NO147050C (no) 1983-01-19

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