GB8526807D0 - Determining frequency shift in light waves - Google Patents

Determining frequency shift in light waves

Info

Publication number
GB8526807D0
GB8526807D0 GB858526807A GB8526807A GB8526807D0 GB 8526807 D0 GB8526807 D0 GB 8526807D0 GB 858526807 A GB858526807 A GB 858526807A GB 8526807 A GB8526807 A GB 8526807A GB 8526807 D0 GB8526807 D0 GB 8526807D0
Authority
GB
United Kingdom
Prior art keywords
frequency shift
light waves
determining frequency
determining
waves
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.)
Granted
Application number
GB858526807A
Other versions
GB2167263A (en
GB2167263B (en
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.)
Deutsches Zentrum fuer Luft und Raumfahrt eV
Original Assignee
Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR
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 Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR filed Critical Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR
Publication of GB8526807D0 publication Critical patent/GB8526807D0/en
Publication of GB2167263A publication Critical patent/GB2167263A/en
Application granted granted Critical
Publication of GB2167263B publication Critical patent/GB2167263B/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
    • G01S17/02—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

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
GB08526807A 1984-11-05 1985-10-31 Method of determining the sign and amount of a frequency shift in light waves Expired GB2167263B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3440376A DE3440376C2 (en) 1984-11-05 1984-11-05 Method for determining the sign and magnitude of a frequency shift

Publications (3)

Publication Number Publication Date
GB8526807D0 true GB8526807D0 (en) 1985-12-04
GB2167263A GB2167263A (en) 1986-05-21
GB2167263B GB2167263B (en) 1988-09-21

Family

ID=6249529

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08526807A Expired GB2167263B (en) 1984-11-05 1985-10-31 Method of determining the sign and amount of a frequency shift in light waves

Country Status (4)

Country Link
DE (1) DE3440376C2 (en)
FR (1) FR2572806A1 (en)
GB (1) GB2167263B (en)
IT (1) IT1182648B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1309255A (en) * 1970-01-28 1973-03-07 Decca Ltd Vibrating responsive apparatus
US3644042A (en) * 1970-06-15 1972-02-22 Hughes Aircraft Co Laser system for monitoring the motion of objects
CH543745A (en) * 1972-04-14 1973-10-31 Bbc Brown Boveri & Cie Method and device for determining the sign of the flow direction of a flow field in laser Doppler anemometers
GB1554561A (en) * 1976-12-10 1979-10-24 Atomic Energy Authority Uk Measurement of velocity of a body
US4168906A (en) * 1978-04-19 1979-09-25 The United States Of America As Represented By The Secretary Of Commerce Differential Doppler velocity sensor
DE3144805C2 (en) * 1981-11-11 1986-09-11 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Process for measuring relative movements by means of laser radiation according to the Doppler radar principle
FR2543690B1 (en) * 1983-03-29 1986-01-17 Thomson Csf LASER TELEMETRY AND DOPPLER MEASUREMENT SYSTEM WITH PULSE COMPRESSION

Also Published As

Publication number Publication date
IT8567922A0 (en) 1985-11-04
FR2572806A1 (en) 1986-05-09
GB2167263A (en) 1986-05-21
DE3440376C2 (en) 1987-05-14
IT1182648B (en) 1987-10-05
DE3440376A1 (en) 1986-05-22
GB2167263B (en) 1988-09-21
IT8567922A1 (en) 1987-05-04

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Legal Events

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