AU2455699A - Modulated filtered rayleigh scattering - Google Patents

Modulated filtered rayleigh scattering

Info

Publication number
AU2455699A
AU2455699A AU24556/99A AU2455699A AU2455699A AU 2455699 A AU2455699 A AU 2455699A AU 24556/99 A AU24556/99 A AU 24556/99A AU 2455699 A AU2455699 A AU 2455699A AU 2455699 A AU2455699 A AU 2455699A
Authority
AU
Australia
Prior art keywords
rayleigh scattering
modulated filtered
filtered rayleigh
modulated
scattering
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
AU24556/99A
Inventor
Philip L. Varghese
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.)
University of Texas System
Original Assignee
University of Texas System
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 University of Texas System filed Critical University of Texas System
Publication of AU2455699A publication Critical patent/AU2455699A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/26—Measuring 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
    • 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
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50—Systems of measurement based on relative movement of target
    • G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
AU24556/99A 1998-01-12 1999-01-12 Modulated filtered rayleigh scattering Abandoned AU2455699A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7125098P 1998-01-12 1998-01-12
US60071250 1998-01-12
PCT/US1999/000691 WO1999035519A2 (en) 1998-01-12 1999-01-12 Modulated filtered rayleigh scattering

Publications (1)

Publication Number Publication Date
AU2455699A true AU2455699A (en) 1999-07-26

Family

ID=22100191

Family Applications (1)

Application Number Title Priority Date Filing Date
AU24556/99A Abandoned AU2455699A (en) 1998-01-12 1999-01-12 Modulated filtered rayleigh scattering

Country Status (2)

Country Link
AU (1) AU2455699A (en)
WO (1) WO1999035519A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8072584B2 (en) 2002-08-02 2011-12-06 Ophir Corporation Optical air data systems and methods
CA2494458C (en) 2002-08-02 2009-06-30 Ophir Corporation Optical air data measurement systems and methods
US7564539B2 (en) 2002-08-02 2009-07-21 Ophir Corporation Optical air data systems and methods
DE102005028268B4 (en) * 2005-06-14 2013-12-12 Forschungsverbund Berlin E.V. Method and apparatus for generating and detecting a Raman spectrum
DE102009042404B3 (en) * 2009-09-16 2011-04-14 Technische Universität Dresden Method for determination of speed of moved fluid with self-calibration of Doppler-global-velocimeter, involves sending laser beam to Doppler-global-velocimeter, whose frequency is modulated with rectangular-shaped signal
GB2532585B (en) * 2013-06-30 2018-04-25 Wind Farm Analytics Ltd Turbine fluid velocity field measurement
US9334807B2 (en) 2014-05-13 2016-05-10 The Boeing Company Methods and apparatus to determine airflow conditions at an inlet of an engine
DE202016102010U1 (en) * 2016-04-15 2017-07-18 Deutsches Zentrum für Luft- und Raumfahrt e.V. aircraft
CN113176582B (en) * 2021-04-27 2023-07-18 厦门大学 Flow velocity detection laser radar and flow velocity detection method based on double-frequency pumping

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140060A (en) * 1975-05-19 1979-02-20 Motorola, Inc. Subcarrier modulated optical transceiver
US4919536A (en) * 1988-06-06 1990-04-24 Northrop Corporation System for measuring velocity field of fluid flow utilizing a laser-doppler spectral image converter
US4919532A (en) * 1988-08-15 1990-04-24 Mocker Hans W High accuracy semiconductor laser doppler velocimeter
US4988190A (en) * 1990-01-05 1991-01-29 Trustees Of Princeton University Absorption line filter window and method for velocity measurements by light scattering

Also Published As

Publication number Publication date
WO1999035519A2 (en) 1999-07-15
WO1999035519A3 (en) 1999-09-30

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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