DK142473B - Apparat med en optisk sender og modtager, navnlig et flyvetidslaseranemometer. - Google Patents

Apparat med en optisk sender og modtager, navnlig et flyvetidslaseranemometer. Download PDF

Info

Publication number
DK142473B
DK142473B DK468177A DK468177A DK142473B DK 142473 B DK142473 B DK 142473B DK 468177 A DK468177 A DK 468177A DK 468177 A DK468177 A DK 468177A DK 142473 B DK142473 B DK 142473B
Authority
DK
Denmark
Prior art keywords
receiver
optical
lens
transmitter
measurement
Prior art date
Application number
DK468177A
Other languages
Danish (da)
English (en)
Other versions
DK142473C (es
DK468177A (es
Inventor
Lars Lading
Arne Skov Jensen
Christian Fog
Original Assignee
Risoe Forsoegsanlaeg
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 Risoe Forsoegsanlaeg filed Critical Risoe Forsoegsanlaeg
Priority to DK468177A priority Critical patent/DK142473B/da
Priority to DE19782845592 priority patent/DE2845592C2/de
Publication of DK468177A publication Critical patent/DK468177A/da
Publication of DK142473B publication Critical patent/DK142473B/da
Application granted granted Critical
Publication of DK142473C publication Critical patent/DK142473C/da

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
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
    • G01P3/68—Devices characterised by the determination of the time taken to traverse a fixed distance using optical means, i.e. using infrared, visible, or ultraviolet light
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
DK468177A 1977-10-20 1977-10-20 Apparat med en optisk sender og modtager, navnlig et flyvetidslaseranemometer. DK142473B (da)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK468177A DK142473B (da) 1977-10-20 1977-10-20 Apparat med en optisk sender og modtager, navnlig et flyvetidslaseranemometer.
DE19782845592 DE2845592C2 (de) 1977-10-20 1978-10-19 Flugzeit-Anemometer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK468177A DK142473B (da) 1977-10-20 1977-10-20 Apparat med en optisk sender og modtager, navnlig et flyvetidslaseranemometer.
DK468177 1977-10-20

Publications (3)

Publication Number Publication Date
DK468177A DK468177A (es) 1979-04-21
DK142473B true DK142473B (da) 1980-11-03
DK142473C DK142473C (es) 1981-03-30

Family

ID=8135749

Family Applications (1)

Application Number Title Priority Date Filing Date
DK468177A DK142473B (da) 1977-10-20 1977-10-20 Apparat med en optisk sender og modtager, navnlig et flyvetidslaseranemometer.

Country Status (2)

Country Link
DE (1) DE2845592C2 (es)
DK (1) DK142473B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500167A1 (fr) * 1980-12-03 1982-08-20 Onera (Off Nat Aerospatiale) Procede et dispositif pour la mesure simultanee de deux composantes du vecteur vitesse instantanee d'ecoulement d'un fluide, par la mise en oeuvre de barrieres optiques
DK148334C (da) * 1982-04-07 1985-11-04 Risoe Forsoegsanlaeg Fremgangsmaade ved maaling af hastighedsgradienter i et stroemmende medium samt apparat til gennemfoerelse af fremgangsmaaden
DE4130526C2 (de) * 1991-09-13 1996-09-26 Rainer Dr Kramer Laser-Flugzeit-Anemometer

Also Published As

Publication number Publication date
DE2845592C2 (de) 1982-12-23
DE2845592A1 (de) 1979-04-26
DK142473C (es) 1981-03-30
DK468177A (es) 1979-04-21

Similar Documents

Publication Publication Date Title
US4674874A (en) Laser detection device
US4265538A (en) Optical sample cell for analysis of particles in liquid suspension
US4991971A (en) Fiber optic scatterometer for measuring optical surface roughness
CN103868831B (zh) 云粒子谱分布测量方法及测量系统
US4134679A (en) Determining the volume and the volume distribution of suspended small particles
US7528951B2 (en) Optical design of a measurement system having multiple sensor or multiple light source paths
US7538874B2 (en) Measurement of light from a predefined scatter angle from particulate matter in a media
NO164441B (no) Laser-doppler-apparat til bestemmelse av stoerrelsen av bevegelige sfaeriske partikler i en fluidumstroem.
US7911591B2 (en) Optical transit time velocimeter
US3860342A (en) Dual-wavelength scanning doppler velocimeter
US6462539B2 (en) Magnetic sensor with faraday element
EP0034772B1 (fr) Dispositif pour déterminer la position angulaire d'une cible éclairée par des impulsions lumineuses
US5033851A (en) Light scattering method and apparatus for detecting particles in liquid sample
KR102232785B1 (ko) 미세먼지 측정장치
US4560272A (en) Three-axis angle sensor
DK142473B (da) Apparat med en optisk sender og modtager, navnlig et flyvetidslaseranemometer.
GB1298658A (en) Photometer for measuring total radiant energy at selected angles
WO2001042749A1 (en) Apparatus and method for detecting polarization
DK159946B (da) Fremgangsmaade og apparat til maaling af stroemningsvektorer i gasstroemme
US20070222980A1 (en) Self Calibrating Measurement System
JPH0444204B2 (es)
SE463840B (sv) Foerfarande vid en laservarnare och laservarnare
US5065005A (en) Polychromatic mutual alignment device for an aiming apparatus
CA1192286A (en) Three-axis angle sensor
US20150009486A1 (en) Imaging System

Legal Events

Date Code Title Description
PBP Patent lapsed