FR2288986A1 - Dispositif destine a mesurer avec precision la distance et la vitesse d'un mobile - Google Patents

Dispositif destine a mesurer avec precision la distance et la vitesse d'un mobile

Info

Publication number
FR2288986A1
FR2288986A1 FR7435433A FR7435433A FR2288986A1 FR 2288986 A1 FR2288986 A1 FR 2288986A1 FR 7435433 A FR7435433 A FR 7435433A FR 7435433 A FR7435433 A FR 7435433A FR 2288986 A1 FR2288986 A1 FR 2288986A1
Authority
FR
France
Prior art keywords
speed
difference frequency
transmitted
reflected signals
determines
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
FR7435433A
Other languages
English (en)
French (fr)
Other versions
FR2288986B1 (enExample
Inventor
Jean-Pierre Tomasi
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.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Priority to FR7435433A priority Critical patent/FR2288986A1/fr
Publication of FR2288986A1 publication Critical patent/FR2288986A1/fr
Application granted granted Critical
Publication of FR2288986B1 publication Critical patent/FR2288986B1/fr
Granted 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
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems 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
    • G01S13/341—Systems 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 wherein the rate of change of the transmitted frequency is adjusted to give a beat of predetermined constant frequency, e.g. by adjusting the amplitude or frequency of the frequency-modulating signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR7435433A 1974-10-22 1974-10-22 Dispositif destine a mesurer avec precision la distance et la vitesse d'un mobile Granted FR2288986A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7435433A FR2288986A1 (fr) 1974-10-22 1974-10-22 Dispositif destine a mesurer avec precision la distance et la vitesse d'un mobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7435433A FR2288986A1 (fr) 1974-10-22 1974-10-22 Dispositif destine a mesurer avec precision la distance et la vitesse d'un mobile

Publications (2)

Publication Number Publication Date
FR2288986A1 true FR2288986A1 (fr) 1976-05-21
FR2288986B1 FR2288986B1 (enExample) 1980-02-22

Family

ID=9144351

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7435433A Granted FR2288986A1 (fr) 1974-10-22 1974-10-22 Dispositif destine a mesurer avec precision la distance et la vitesse d'un mobile

Country Status (1)

Country Link
FR (1) FR2288986A1 (enExample)

Also Published As

Publication number Publication date
FR2288986B1 (enExample) 1980-02-22

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Legal Events

Date Code Title Description
ST Notification of lapse