DE69428271D1 - Signalverarbeitungssystem und verfahren zur anwendung in erfassungssystemen mit mehreren strahlenbündeln - Google Patents

Signalverarbeitungssystem und verfahren zur anwendung in erfassungssystemen mit mehreren strahlenbündeln

Info

Publication number
DE69428271D1
DE69428271D1 DE69428271T DE69428271T DE69428271D1 DE 69428271 D1 DE69428271 D1 DE 69428271D1 DE 69428271 T DE69428271 T DE 69428271T DE 69428271 T DE69428271 T DE 69428271T DE 69428271 D1 DE69428271 D1 DE 69428271D1
Authority
DE
Germany
Prior art keywords
signal processing
processing system
detecting systems
several beams
beams
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 - Fee Related
Application number
DE69428271T
Other languages
English (en)
Other versions
DE69428271T2 (de
Inventor
Jack Capell
Christos Zabounidis
Kanti Talukdar
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.)
Sirrah Holdings Corp
Original Assignee
Seabeam Instruments Inc
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 Seabeam Instruments Inc filed Critical Seabeam Instruments Inc
Application granted granted Critical
Publication of DE69428271D1 publication Critical patent/DE69428271D1/de
Publication of DE69428271T2 publication Critical patent/DE69428271T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/805—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristics of a transducer or transducer system to give a desired condition of signal derived from that transducer or transducer system, e.g. to give a maximum or minimum signal
    • 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
DE69428271T 1993-12-16 1994-11-25 Signalverarbeitungssystem und verfahren zur anwendung in erfassungssystemen mit mehreren strahlenbündeln Expired - Fee Related DE69428271T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/167,365 US5483500A (en) 1993-12-16 1993-12-16 Signal processing system and method for use in multibeam sensing systems
PCT/US1994/013599 WO1995016928A1 (en) 1993-12-16 1994-11-25 Signal processing system and method for use in multi beam sensing systems

Publications (2)

Publication Number Publication Date
DE69428271D1 true DE69428271D1 (de) 2001-10-18
DE69428271T2 DE69428271T2 (de) 2002-06-27

Family

ID=22607068

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69428271T Expired - Fee Related DE69428271T2 (de) 1993-12-16 1994-11-25 Signalverarbeitungssystem und verfahren zur anwendung in erfassungssystemen mit mehreren strahlenbündeln

Country Status (8)

Country Link
US (2) US5483500A (de)
EP (1) EP0685076B1 (de)
JP (1) JPH08510557A (de)
AU (1) AU1260695A (de)
CA (1) CA2155205C (de)
DE (1) DE69428271T2 (de)
NO (1) NO323725B1 (de)
WO (1) WO1995016928A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5483500A (en) * 1993-12-16 1996-01-09 Seabeam Instruments Inc. Signal processing system and method for use in multibeam sensing systems
US5913179A (en) * 1995-08-31 1999-06-15 The United States Of America As Represented By The Secretary Of The Army Corps Of Engineers Method for spatial and temporal analysis of nested graphical data
US5668777A (en) * 1996-07-08 1997-09-16 The United States Of America As Represented By The Secretary Of The Navy Torpedo signal processor
US5923617A (en) * 1997-02-05 1999-07-13 The United States Of America As Represented By The Secretary Of The Navy Frequency-steered acoustic beam forming system and process
US6192134B1 (en) * 1997-11-20 2001-02-20 Conexant Systems, Inc. System and method for a monolithic directional microphone array
US6563761B1 (en) 2000-11-02 2003-05-13 Trw Inc. Apparatus and method of vehicle occupant sensing using multiple ultrasonic frequencies
US6868041B2 (en) 2002-05-01 2005-03-15 Quester Tangent Corporation Compensation of sonar image data primarily for seabed classification
AU2002302273A1 (en) * 2002-05-01 2003-11-17 Quester Tangent Corporation Compensation of sonar image data primarily for seabed classification
JP4098318B2 (ja) * 2005-03-29 2008-06-11 本田技研工業株式会社 電子走査型ミリ波レーダ装置およびコンピュータプログラム
US7982666B2 (en) * 2009-03-10 2011-07-19 Lockheed Martin Corporation System and method for increasing spectral resolution
KR101323680B1 (ko) 2012-05-03 2013-10-30 국방과학연구소 평면센서배열에 대한 효과적인 1차원 분리 가중치 적용방법
US9651649B1 (en) * 2013-03-14 2017-05-16 The Trustees Of The Stevens Institute Of Technology Passive acoustic detection, tracking and classification system and method
WO2017023651A1 (en) * 2015-07-31 2017-02-09 Teledyne Instruments, Inc. Small aperture acoustic velocity sensor
JP2018013368A (ja) * 2016-07-20 2018-01-25 古野電気株式会社 水中探知装置
US10089716B2 (en) * 2016-09-03 2018-10-02 Microsoft Technology Licensing, Llc Generating real-time sensor maps from videos and in-ground sensor data

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3144631A (en) * 1962-01-09 1964-08-11 Gen Instrument Corp Radiation mapping system
US5043951A (en) * 1990-08-01 1991-08-27 Westinghouse Electric Corp. Apparatus for reduction of side lobes in a beam pattern of an array
US5319554A (en) * 1991-08-30 1994-06-07 Shell Oil Company Method for data interpolation and signal enhancement
US5228006A (en) * 1992-07-20 1993-07-13 Westinghouse Electric Corp. High resolution beam former apparatus
US5483500A (en) * 1993-12-16 1996-01-09 Seabeam Instruments Inc. Signal processing system and method for use in multibeam sensing systems

Also Published As

Publication number Publication date
CA2155205C (en) 2002-12-31
AU1260695A (en) 1995-07-03
NO953208L (no) 1995-08-15
NO323725B1 (no) 2007-06-25
US5663930A (en) 1997-09-02
US5483500A (en) 1996-01-09
NO953208D0 (no) 1995-08-15
WO1995016928A1 (en) 1995-06-22
EP0685076A1 (de) 1995-12-06
EP0685076A4 (de) 1998-12-09
EP0685076B1 (de) 2001-09-12
DE69428271T2 (de) 2002-06-27
JPH08510557A (ja) 1996-11-05
CA2155205A1 (en) 1995-06-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee