GB1376793A - Frequency modulation telemeter for measuring speed - Google Patents

Frequency modulation telemeter for measuring speed

Info

Publication number
GB1376793A
GB1376793A GB5520572A GB5520572A GB1376793A GB 1376793 A GB1376793 A GB 1376793A GB 5520572 A GB5520572 A GB 5520572A GB 5520572 A GB5520572 A GB 5520572A GB 1376793 A GB1376793 A GB 1376793A
Authority
GB
United Kingdom
Prior art keywords
echo
frequency
interval
speed
laser
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
GB5520572A
Other languages
English (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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
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 Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Publication of GB1376793A publication Critical patent/GB1376793A/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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/583—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
    • G01S13/584—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets adapted for simultaneous range and velocity measurements
    • 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
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S17/34—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • 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)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB5520572A 1971-12-03 1972-11-29 Frequency modulation telemeter for measuring speed Expired GB1376793A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7143503A FR2161841B1 (enExample) 1971-12-03 1971-12-03

Publications (1)

Publication Number Publication Date
GB1376793A true GB1376793A (en) 1974-12-11

Family

ID=9086898

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5520572A Expired GB1376793A (en) 1971-12-03 1972-11-29 Frequency modulation telemeter for measuring speed

Country Status (7)

Country Link
US (1) US3841755A (enExample)
BE (1) BE791926A (enExample)
DE (1) DE2258228C2 (enExample)
FR (1) FR2161841B1 (enExample)
GB (1) GB1376793A (enExample)
IT (1) IT975921B (enExample)
NL (1) NL180706C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103675824A (zh) * 2013-12-12 2014-03-26 苏州市峰之火数码科技有限公司 移动测速仪

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2224765B1 (enExample) * 1973-04-04 1977-09-02 Telecommunications Sa
FR2394814A1 (fr) * 1977-06-16 1979-01-12 Telecommunications Sa Dispositif pour supprimer les echos parasites tres proches dans les radars optiques a compression d'impulsions
US4405230A (en) * 1981-05-28 1983-09-20 Texas Instruments Incorporated Heterodyne laser ranging system
JPS5876784A (ja) * 1981-10-31 1983-05-09 Nissan Motor Co Ltd 車両用光パルスレ−ダ装置
FR2543690B1 (fr) * 1983-03-29 1986-01-17 Thomson Csf Systeme de telemetrie laser et de mesure doppler, a compression d'impulsions
US4594000A (en) * 1983-04-04 1986-06-10 Ball Corporation Method and apparatus for optically measuring distance and velocity
US4611912A (en) * 1983-04-04 1986-09-16 Ball Corporation Method and apparatus for optically measuring distance and velocity
US4584477A (en) * 1983-11-29 1986-04-22 West Electric Company, Ltd. Method for measuring distance and optical distance meter
US5192979A (en) * 1984-09-26 1993-03-09 Siemens Aktiengesellschaft Method and apparatus for recognizing and identifying targets
US4721385A (en) * 1985-02-11 1988-01-26 Raytheon Company FM-CW laser radar system
FR2594959B1 (fr) * 1986-02-24 1988-09-09 Electricite De France Procede et dispositif de mesure optique de la distance et de la vitesse d'une cible

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3055258A (en) * 1951-08-22 1962-09-25 Hurvitz Hyman Bragg diffraction ultrasonic devices
US3149326A (en) * 1959-09-03 1964-09-15 Itt F. m. radar display depicting velocity and range
US3283321A (en) * 1964-01-06 1966-11-01 Motorola Inc Fm-cw doppler radar
US3362024A (en) * 1966-01-10 1968-01-02 Ryan Aeronautical Co Verticality, altitude and velocity sensing radar
US3546695A (en) * 1969-03-03 1970-12-08 Raytheon Co Radar transpondor system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103675824A (zh) * 2013-12-12 2014-03-26 苏州市峰之火数码科技有限公司 移动测速仪

Also Published As

Publication number Publication date
US3841755A (en) 1974-10-15
NL180706B (nl) 1986-11-03
DE2258228C2 (de) 1982-06-03
NL180706C (nl) 1987-04-01
BE791926A (fr) 1973-05-28
IT975921B (it) 1974-08-10
DE2258228A1 (de) 1973-06-07
FR2161841B1 (enExample) 1976-03-26
FR2161841A1 (enExample) 1973-07-13
NL7216313A (enExample) 1973-06-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee