IL128984A - Remote air detector - Google Patents

Remote air detector

Info

Publication number
IL128984A
IL128984A IL12898499A IL12898499A IL128984A IL 128984 A IL128984 A IL 128984A IL 12898499 A IL12898499 A IL 12898499A IL 12898499 A IL12898499 A IL 12898499A IL 128984 A IL128984 A IL 128984A
Authority
IL
Israel
Prior art keywords
signal
air
aircraft
arrangement
light
Prior art date
Application number
IL12898499A
Other languages
English (en)
Other versions
IL128984A0 (en
Original Assignee
Marconi Electronic Syst 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 Marconi Electronic Syst Ltd filed Critical Marconi Electronic Syst Ltd
Publication of IL128984A0 publication Critical patent/IL128984A0/xx
Publication of IL128984A publication Critical patent/IL128984A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D43/00Arrangements or adaptations of instruments
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00Indicating or recording presence, absence, or direction, of movement
    • G01P13/02Indicating direction only, e.g. by weather vane
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/26Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50Systems of measurement based on relative movement of target
    • G01S17/58Velocity or trajectory determination systems; Sense-of-movement determination systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88Lidar systems specially adapted for specific applications
    • G01S17/93Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/933Lidar systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88Lidar systems specially adapted for specific applications
    • G01S17/95Lidar systems specially adapted for specific applications for meteorological use

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
IL12898499A 1998-03-31 1999-03-15 Remote air detector IL128984A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9806876A GB2336050B (en) 1998-03-31 1998-03-31 Improvements in or relating to remote air detection

Publications (2)

Publication Number Publication Date
IL128984A0 IL128984A0 (en) 2000-02-17
IL128984A true IL128984A (en) 2002-03-10

Family

ID=10829598

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12898499A IL128984A (en) 1998-03-31 1999-03-15 Remote air detector

Country Status (6)

Country Link
US (1) US6285288B1 (fr)
EP (1) EP0947834B1 (fr)
DE (1) DE69920312T2 (fr)
ES (1) ES2224550T3 (fr)
GB (1) GB2336050B (fr)
IL (1) IL128984A (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001201573A (ja) * 2000-01-20 2001-07-27 Mitsubishi Electric Corp コヒーレントレーザレーダ装置および目標測定方法
JP2002252413A (ja) * 2001-02-26 2002-09-06 Hitachi Ltd 半導体レーザモジュール及びこれを用いた光システム
US6597712B2 (en) * 2001-02-26 2003-07-22 Hitachi, Ltd. Laser diode module
US6542227B2 (en) * 2001-09-04 2003-04-01 Rosemount Aerospace, Inc. System and method of measuring flow velocity in three axes
US6556282B2 (en) * 2001-09-04 2003-04-29 Rosemount Aerospace, Inc. Combined LOAS and LIDAR system
US7110120B2 (en) * 2003-01-24 2006-09-19 Canon Kabushiki Kaisha Movement-direction determination apparatus
FR2862764A1 (fr) * 2003-11-21 2005-05-27 Thales Sa Dispositif de mesure de vitesses a effet doppler a faible bruit d'intensite
JP5332103B2 (ja) * 2004-09-15 2013-11-06 三菱電機株式会社 光波レーダ装置
US7126586B2 (en) * 2004-09-17 2006-10-24 Microsoft Corporation Data input devices and methods for detecting movement of a tracking surface by detecting laser doppler self-mixing effects of a frequency modulated laser light beam
DE102004053082A1 (de) * 2004-11-03 2006-05-04 Dr. Johannes Heidenhain Gmbh Positionsmesssystem
US7345744B2 (en) * 2005-06-06 2008-03-18 Raytheon Company Optical delay line to correct phase errors in coherent ladar
US8446575B1 (en) * 2005-11-08 2013-05-21 Sandia Corporation Imaging doppler velocimeter with downward heterodyning in the optical domain
CN104765041B (zh) * 2007-10-09 2019-07-26 文达光电股份有限公司 基于半导体激光器和放大器的相干激光雷达系统
EP2159600A1 (fr) * 2008-08-28 2010-03-03 ELMOS Semiconductor AG Détecteur électro-optique destiné à la reconnaissance de la présence et/ou du rapprochement d'un objet
US8193966B2 (en) * 2009-10-15 2012-06-05 The Boeing Company Wire detection systems and methods
US10009114B2 (en) 2013-03-20 2018-06-26 Ariel-University Research And Development Company Ltd. Method and system for controlling phase of a signal
EP3056924B1 (fr) * 2013-10-11 2020-01-01 Mitsubishi Electric Corporation Dispositif lidar de mesure du vent
EP3360247B1 (fr) 2015-10-08 2020-12-09 Ariel-University Research and Development Company Ltd. Procédé et système permettant de commander la phase d'un signal
CN108844870B (zh) * 2018-08-08 2021-09-21 重庆交通大学 基于光纤结构的pm10和pm2.5探测仪器装置和系统
US12140712B2 (en) * 2020-10-09 2024-11-12 Silc Technologies, Inc. Increasing signal-to-noise ratios in lidar systems
US20240183876A1 (en) * 2022-12-02 2024-06-06 The Boeing Company Aircraft Laser System with a Corrective Optical Device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771362A (en) * 1972-05-25 1973-11-13 Us Navy Fluid velocity indicator
DE2712255A1 (de) * 1977-03-21 1978-09-28 Andreas Dipl Phys Dr Keller Verfahren und einrichtung zur bestimmung der stroemungsgeschwindigkeit in einem stroemenden medium nach betrag und richtung
US4255048A (en) * 1979-04-06 1981-03-10 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Direction sensitive laser velocimeter
FR2556841B1 (fr) * 1983-12-14 1986-07-11 Onera (Off Nat Aerospatiale) Procede et dispositif de velocimetrie laser doppler a detection homodyne
DE3520214C1 (de) * 1985-06-05 1986-07-10 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5300 Bonn Messeinrichtung zur Bestimmung der Windrichtung und Windgeschwindigkeit in der Atmosphaere
US4919532A (en) * 1988-08-15 1990-04-24 Mocker Hans W High accuracy semiconductor laser doppler velocimeter
US5272513A (en) * 1991-12-06 1993-12-21 Optical Air Data Systems, L.P. Laser doppler velocimeter
US5270787A (en) * 1990-03-14 1993-12-14 Zellweger Uster Inc. Electro-optical methods and apparatus for high speed, multivariate measurement of individual entities in fiber or other samples
US5170218A (en) * 1991-03-29 1992-12-08 Raytheon Company Apparatus and method for detecting wind direction
US5621392A (en) * 1991-11-05 1997-04-15 Hospal Ltd. Flow detector
US5164784A (en) * 1992-01-17 1992-11-17 The Boeing Company CW doppler lidar
US5317376A (en) * 1992-12-03 1994-05-31 Litton Systems, Inc. Solid state pulsed coherent laser radar for short range velocimetry applications
JP3279116B2 (ja) * 1994-03-22 2002-04-30 株式会社豊田中央研究所 レーザドップラ流速計
FR2725034B1 (fr) * 1994-09-22 1997-01-03 Sextant Avionique Tete d'emission-reception pour anemometre doppler longitudinal

Also Published As

Publication number Publication date
ES2224550T3 (es) 2005-03-01
EP0947834A2 (fr) 1999-10-06
DE69920312D1 (de) 2004-10-28
IL128984A0 (en) 2000-02-17
DE69920312T2 (de) 2005-02-17
GB2336050A (en) 1999-10-06
EP0947834A3 (fr) 1999-12-29
EP0947834B1 (fr) 2004-09-22
GB9806876D0 (en) 1998-05-27
GB2336050B (en) 2003-03-26
US6285288B1 (en) 2001-09-04

Similar Documents

Publication Publication Date Title
US6285288B1 (en) Remote air detection
JP4414885B2 (ja) コヒーレント吸収差ライダー(dial)
US4854705A (en) Method and apparatus to determine the size and velocity of particles using light scatter detection from confocal beams
US4540283A (en) Apparatus and method for determining the size and velocity of particles, droplets, bubbles or the like using laser light scattering
US8675184B2 (en) Direct detection Doppler LIDAR method and direction detection Doppler LIDAR device
CA2320178C (fr) Perfectionnements portant sur la detection de sons
CN106997051B (zh) 基于偏振效应和自混合效应的激光矢量测风方法及测风雷达
EP3591425A1 (fr) Système de télémétrie laser faisant appel à un capteur dans un même chemin optique qu'un laser à émission
CN105974396A (zh) 基于双标准具的测速方法及测速系统
Kaisto et al. Laser range-finding techniques in the sensing of 3-D objects
CN114502986B (zh) 用于风力测定测量的激光雷达系统
US20110141470A1 (en) Servo-Controlled Bistatic Anemometric Probe
RU2032180C1 (ru) Способ определения поля скоростей
RU2799037C1 (ru) Лидарная система для анемометрических измерений
Rudd The laser anemometer-a review
JP2025529022A (ja) 流体の速度を測定するためのライダ・システム
Hindrikus et al. Laser doppler device for air pollution detection
CN205608176U (zh) 基于非注入激光器和Etalon的激光测速系统
US5394243A (en) Axial speed-measuring device including a fabry-perot interferometer
RU143782U1 (ru) Дистанционный лазерный газоанализатор метана
GB2334171A (en) Laser sound detection
JPH07103714A (ja) レーザ距離計測方法
CN105824018B (zh) 基于非注入激光器和Etalon的激光测速系统和方法
JPS6390773A (ja) 光ドツプラ−速度計
Ahola et al. A fast time-of-flight distance sensor for industrial applications

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
KB Patent renewed
KB Patent renewed
KB Patent renewed
EXP Patent expired