GB1315329A - Radio navigation systems - Google Patents

Radio navigation systems

Info

Publication number
GB1315329A
GB1315329A GB5578270A GB5578270A GB1315329A GB 1315329 A GB1315329 A GB 1315329A GB 5578270 A GB5578270 A GB 5578270A GB 5578270 A GB5578270 A GB 5578270A GB 1315329 A GB1315329 A GB 1315329A
Authority
GB
United Kingdom
Prior art keywords
frequency
beacon
radiation
point
nov
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
GB5578270A
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1315329A publication Critical patent/GB1315329A/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
    • 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)
GB5578270A 1969-11-24 1970-11-24 Radio navigation systems Expired GB1315329A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691958932 DE1958932B2 (de) 1969-11-24 1969-11-24 Verfahren zur messung des elevationswinkels in bordanlagen im zusammenarbeiten mit einem doppler funkfeuer

Publications (1)

Publication Number Publication Date
GB1315329A true GB1315329A (en) 1973-05-02

Family

ID=5751906

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5578270A Expired GB1315329A (en) 1969-11-24 1970-11-24 Radio navigation systems

Country Status (2)

Country Link
DE (1) DE1958932B2 (de)
GB (1) GB1315329A (de)

Also Published As

Publication number Publication date
DE1958932A1 (de) 1971-06-03
DE1958932B2 (de) 1971-09-02

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees