FR2357910B1 - - Google Patents

Info

Publication number
FR2357910B1
FR2357910B1 FR7620944A FR7620944A FR2357910B1 FR 2357910 B1 FR2357910 B1 FR 2357910B1 FR 7620944 A FR7620944 A FR 7620944A FR 7620944 A FR7620944 A FR 7620944A FR 2357910 B1 FR2357910 B1 FR 2357910B1
Authority
FR
France
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
FR7620944A
Other versions
FR2357910A1 (fr
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.)
Office National dEtudes et de Recherches Aerospatiales ONERA
Original Assignee
Office National dEtudes et de Recherches Aerospatiales ONERA
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 Office National dEtudes et de Recherches Aerospatiales ONERA filed Critical Office National dEtudes et de Recherches Aerospatiales ONERA
Priority to FR7620944A priority Critical patent/FR2357910A1/fr
Publication of FR2357910A1 publication Critical patent/FR2357910A1/fr
Application granted granted Critical
Publication of FR2357910B1 publication Critical patent/FR2357910B1/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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/38—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna
    • G01S1/40—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna the apparent movement of the antenna being produced by cyclic sequential energisation of fixed antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR7620944A 1976-07-08 1976-07-08 Perfectionnements aux system Granted FR2357910A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7620944A FR2357910A1 (fr) 1976-07-08 1976-07-08 Perfectionnements aux system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7620944A FR2357910A1 (fr) 1976-07-08 1976-07-08 Perfectionnements aux system

Publications (2)

Publication Number Publication Date
FR2357910A1 FR2357910A1 (fr) 1978-02-03
FR2357910B1 true FR2357910B1 (fr) 1980-11-21

Family

ID=9175433

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7620944A Granted FR2357910A1 (fr) 1976-07-08 1976-07-08 Perfectionnements aux system

Country Status (1)

Country Link
FR (1) FR2357910A1 (fr)

Also Published As

Publication number Publication date
FR2357910A1 (fr) 1978-02-03

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Legal Events

Date Code Title Description
ST Notification of lapse