AU7043200A - Fish detection method using sonar data - Google Patents

Fish detection method using sonar data

Info

Publication number
AU7043200A
AU7043200A AU70432/00A AU7043200A AU7043200A AU 7043200 A AU7043200 A AU 7043200A AU 70432/00 A AU70432/00 A AU 70432/00A AU 7043200 A AU7043200 A AU 7043200A AU 7043200 A AU7043200 A AU 7043200A
Authority
AU
Australia
Prior art keywords
detection method
sonar data
fish detection
fish
sonar
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.)
Abandoned
Application number
AU70432/00A
Inventor
Helge Balk
Torfinn Lindem
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.)
Individual
Original Assignee
Individual
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
Priority claimed from NO994327A external-priority patent/NO994327D0/en
Application filed by Individual filed Critical Individual
Publication of AU7043200A publication Critical patent/AU7043200A/en
Abandoned 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
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals
    • 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
    • G01S15/46—Indirect determination of position data
    • 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
    • G01S15/96—Sonar systems specially adapted for specific applications for locating fish
    • 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
    • G01S7/539—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
AU70432/00A 1999-09-06 2000-09-05 Fish detection method using sonar data Abandoned AU7043200A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
NO19994327 1999-09-06
NO994327A NO994327D0 (en) 1999-09-06 1999-09-06 Improved fish detection probability in split beam sonar data
NO20003543A NO20003543L (en) 1999-09-06 2000-07-10 Procedure for fish detection from sonar data
NO20003543 2000-07-10
PCT/NO2000/000288 WO2001018562A1 (en) 1999-09-06 2000-09-05 Fish detection method using sonar data

Publications (1)

Publication Number Publication Date
AU7043200A true AU7043200A (en) 2001-04-10

Family

ID=26648997

Family Applications (1)

Application Number Title Priority Date Filing Date
AU70432/00A Abandoned AU7043200A (en) 1999-09-06 2000-09-05 Fish detection method using sonar data

Country Status (5)

Country Link
EP (1) EP1210618A1 (en)
AU (1) AU7043200A (en)
CA (1) CA2383760A1 (en)
NO (1) NO20003543L (en)
WO (1) WO2001018562A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2093546A1 (en) * 2008-02-22 2009-08-26 Siemens Milltronics Process Instruments Inc. A method for locating a wanted echo from unwanted echoes in a time-of-flight level measurement system
US8164983B2 (en) * 2009-03-06 2012-04-24 Johnson David A Fish finder
DE102012007979A1 (en) * 2012-04-24 2013-10-24 Krohne Messtechnik Gmbh Method for determining the level of a medium and corresponding device
GB2523561B (en) * 2014-02-27 2016-03-02 Sonardyne Internat Ltd Underwater Environment Reference Map Enhancement and Intruder Detection
CN106019263B (en) * 2016-07-13 2018-03-20 东南大学 Target radial speed measuring method based on more bright spot echo models
EP3579020B1 (en) * 2018-06-05 2021-03-31 Elmos Semiconductor SE Method for recognition of an obstacle with the aid of reflected ultrasonic waves
CN113484867B (en) * 2021-06-25 2023-10-20 山东航天电子技术研究所 Method for detecting density of fish shoal in closed space based on imaging sonar

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074264A (en) * 1976-01-07 1978-02-14 Hughes Aircraft Company Adaptive threshold clutter processor
US5930200A (en) * 1998-05-08 1999-07-27 Garmin Corporation Depth sounder with object identification feature

Also Published As

Publication number Publication date
WO2001018562A1 (en) 2001-03-15
NO20003543D0 (en) 2000-07-10
NO20003543L (en) 2001-03-07
CA2383760A1 (en) 2001-03-15
EP1210618A1 (en) 2002-06-05

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase