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GB2128833B - Improvements relating to the measurement of directional wave spectra - Google Patents

Improvements relating to the measurement of directional wave spectra

Info

Publication number
GB2128833B
GB2128833B GB08229234A GB8229234A GB2128833B GB 2128833 B GB2128833 B GB 2128833B GB 08229234 A GB08229234 A GB 08229234A GB 8229234 A GB8229234 A GB 8229234A GB 2128833 B GB2128833 B GB 2128833B
Authority
GB
United Kingdom
Prior art keywords
measurement
improvements relating
directional wave
wave spectra
spectra
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
GB08229234A
Other versions
GB2128833A (en
Inventor
William Banham Andrews
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.)
EMI Ltd
Original Assignee
EMI Ltd
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 EMI Ltd filed Critical EMI Ltd
Priority to GB08229234A priority Critical patent/GB2128833B/en
Publication of GB2128833A publication Critical patent/GB2128833A/en
Application granted granted Critical
Publication of GB2128833B publication Critical patent/GB2128833B/en
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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
    • G01C13/002—Measuring the movement of open water

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
GB08229234A 1982-10-13 1982-10-13 Improvements relating to the measurement of directional wave spectra Expired GB2128833B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08229234A GB2128833B (en) 1982-10-13 1982-10-13 Improvements relating to the measurement of directional wave spectra

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08229234A GB2128833B (en) 1982-10-13 1982-10-13 Improvements relating to the measurement of directional wave spectra

Publications (2)

Publication Number Publication Date
GB2128833A GB2128833A (en) 1984-05-02
GB2128833B true GB2128833B (en) 1986-05-08

Family

ID=10533571

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08229234A Expired GB2128833B (en) 1982-10-13 1982-10-13 Improvements relating to the measurement of directional wave spectra

Country Status (1)

Country Link
GB (1) GB2128833B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109241976A (en) * 2018-07-26 2019-01-18 中国船舶工业系统工程研究院 A method of estimated based on image procossing and laser ranging oil spill area

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ289693B6 (en) * 1994-04-11 2002-03-13 Scambia Industrial Developments Catalyst for catalytic treatment of exhaust gas
GB2320829B (en) * 1996-12-04 1998-10-21 Lockheed Martin Tactical Sys Method and system for predicting the motion e.g. of a ship or the like
US6052334A (en) 1998-08-04 2000-04-18 Rowe-Deines Instruments System and method for measuring wave directional spectrum and wave height
GB0118476D0 (en) * 2001-07-28 2001-09-19 Mactaggart Scott Safety index
US7007555B2 (en) 2004-03-15 2006-03-07 Teledyne Rd Instruments, Inc. System and method of horizontal wave measurement
US7839720B2 (en) 2006-09-28 2010-11-23 Teledyne Rd Instruments, Inc. System and method for acoustic doppler velocity processing with a phased array transducer including using differently coded transmit pulses in each beam so that the cross-coupled side lobe error is removed
US7542374B2 (en) 2006-09-28 2009-06-02 Teledyne Rd Instruments, Inc. System and method for acoustic Doppler velocity processing with a phased array transducer including applying correction factors to velocities orthogonal to the transducer face
US7539082B2 (en) 2006-09-28 2009-05-26 Teledyne Rd Instruments, Inc. System and method for acoustic Doppler velocity processing with a phased array transducer including using a wide bandwidth pulse transmission to resolve ambiguity in a narrow bandwidth velocity estimate
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
EP2435851B1 (en) 2009-05-27 2016-07-06 Teledyne Instruments, Inc. System and method for determining wave characteristics from a moving platform
WO2018053156A1 (en) 2016-09-14 2018-03-22 Asr Patent Holding Llc System and method for responding to an active shooter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1264516A (en) * 1969-09-16 1972-02-23
GB1281450A (en) * 1970-03-17 1972-07-12 Parrish Instr Ltd Improvements in methods and apparatus for measuring altitude and changes in altitude
FR2469717A1 (en) * 1979-11-07 1981-05-22 Inst Francais Du Petrole METHOD FOR REMOTE DETECTION OF THE SEA STATE AND DEVICE FOR IMPLEMENTING SAME

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109241976A (en) * 2018-07-26 2019-01-18 中国船舶工业系统工程研究院 A method of estimated based on image procossing and laser ranging oil spill area
CN109241976B (en) * 2018-07-26 2021-10-22 中国船舶工业系统工程研究院 Method for estimating oil spilling area based on image processing and laser ranging

Also Published As

Publication number Publication date
GB2128833A (en) 1984-05-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee