BE624593A - - Google Patents

Info

Publication number
BE624593A
BE624593A BE624593DA BE624593A BE 624593 A BE624593 A BE 624593A BE 624593D A BE624593D A BE 624593DA BE 624593 A BE624593 A BE 624593A
Authority
BE
Belgium
Application number
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.)
Publication of BE624593A publication Critical patent/BE624593A/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/02Beacons 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
    • G01S1/08Systems for determining direction or position line
    • G01S1/38Systems 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
    • G01S1/40Systems 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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Traffic Control Systems (AREA)
BE624593D 1961-11-10 BE624593A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB40393/61A GB1021551A (en) 1961-11-10 1961-11-10 Radio navigation system

Publications (1)

Publication Number Publication Date
BE624593A true BE624593A (da)

Family

ID=10414678

Family Applications (1)

Application Number Title Priority Date Filing Date
BE624593D BE624593A (da) 1961-11-10

Country Status (7)

Country Link
US (1) US3234554A (da)
BE (1) BE624593A (da)
CH (1) CH420289A (da)
DE (1) DE1249361B (da)
GB (1) GB1021551A (da)
NL (1) NL285388A (da)
SE (1) SE320710B (da)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE636626A (da) * 1962-08-27
DE1237647B (de) * 1963-03-09 1967-03-30 Standard Elektrik Lorenz Ag Allrichtungs-Funkortungsverfahren nach dem Dopplerprinzip
US3412405A (en) * 1964-09-14 1968-11-19 Motorola Inc Side lobe response reducing system
US3383689A (en) * 1964-11-11 1968-05-14 Japan Broadcasting Corp Directional wave receiving system
GB1225190A (da) * 1968-09-23 1971-03-17
GB1234541A (da) * 1969-02-05 1971-06-03
GB1236141A (en) * 1969-03-07 1971-06-23 Standard Telephones Cables Ltd Radio navigation system
BE759259A (fr) * 1969-11-24 1971-05-24 Int Standard Electric Corp Procede de mesure de frequence
US3704465A (en) * 1970-08-28 1972-11-28 Hazeltine Corp Angular position determining system compensated for doppler
US3798645A (en) * 1970-08-28 1974-03-19 Hazeltine Corp Angular position determining systems using time scanned arrays
GB1335899A (en) * 1971-08-20 1973-10-31 Standard Telephones Cables Ltd Radio navigation beacon
GB2124849A (en) * 1982-07-29 1984-02-22 David Arthur Tong Direction finding systems
US4912479A (en) * 1986-03-26 1990-03-27 Nec Corporation Microwave landing system
WO1988009938A1 (en) * 1987-06-05 1988-12-15 The Secretary Of State For Defence In Her Britanni Method and apparatus for processing synthetic aperture aerial signals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422333A (en) * 1942-10-19 1947-06-17 Rca Corp Pulse-echo control system

Also Published As

Publication number Publication date
GB1021551A (en) 1966-03-02
SE320710B (da) 1970-02-16
DE1249361B (da)
NL285388A (da)
US3234554A (en) 1966-02-08
CH420289A (de) 1966-09-15

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