DE2258228C2 - FM-CW-Rückstrahlortungsgerät - Google Patents

FM-CW-Rückstrahlortungsgerät

Info

Publication number
DE2258228C2
DE2258228C2 DE2258228A DE2258228A DE2258228C2 DE 2258228 C2 DE2258228 C2 DE 2258228C2 DE 2258228 A DE2258228 A DE 2258228A DE 2258228 A DE2258228 A DE 2258228A DE 2258228 C2 DE2258228 C2 DE 2258228C2
Authority
DE
Germany
Prior art keywords
frequency
signal
received signal
mixer
transmitter
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
DE2258228A
Other languages
German (de)
English (en)
Other versions
DE2258228A1 (de
Inventor
Hubert Meudon Debart
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.)
GENERALE D'ELECTRICITE 75382 PARIS FR Cie
Original Assignee
GENERALE D'ELECTRICITE 75382 PARIS FR Cie
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 GENERALE D'ELECTRICITE 75382 PARIS FR Cie filed Critical GENERALE D'ELECTRICITE 75382 PARIS FR Cie
Publication of DE2258228A1 publication Critical patent/DE2258228A1/de
Application granted granted Critical
Publication of DE2258228C2 publication Critical patent/DE2258228C2/de
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
    • G01S17/06—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
    • 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
    • G01S17/50—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)
DE2258228A 1971-12-03 1972-11-28 FM-CW-Rückstrahlortungsgerät Expired DE2258228C2 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE2258228A1 DE2258228A1 (de) 1973-06-07
DE2258228C2 true DE2258228C2 (de) 1982-06-03

Family

ID=9086898

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2258228A Expired DE2258228C2 (de) 1971-12-03 1972-11-28 FM-CW-Rückstrahlortungsgerät

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)

Families Citing this family (12)

* 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
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

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

Also Published As

Publication number Publication date
US3841755A (en) 1974-10-15
NL180706B (nl) 1986-11-03
NL180706C (nl) 1987-04-01
BE791926A (fr) 1973-05-28
IT975921B (it) 1974-08-10
DE2258228A1 (de) 1973-06-07
GB1376793A (en) 1974-12-11
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
OD Request for examination
D2 Grant after examination
8339 Ceased/non-payment of the annual fee