BE658817A - - Google Patents

Info

Publication number
BE658817A
BE658817A BE658817A BE658817A BE658817A BE 658817 A BE658817 A BE 658817A BE 658817 A BE658817 A BE 658817A BE 658817 A BE658817 A BE 658817A BE 658817 A BE658817 A BE 658817A
Authority
BE
Belgium
Application number
BE658817A
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 filed Critical
Publication of BE658817A publication Critical patent/BE658817A/xx

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
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
    • G01S1/304—Analogous systems in which a beat frequency, obtained by heterodyning the signals, is compared in phase with a reference signal obtained by heterodyning the signals in a fixed reference point and transmitted therefrom, e.g. LORAC (long range accuracy) or TORAN systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
BE658817A 1964-01-29 1965-01-26 BE658817A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR961892A FR1391919A (fr) 1964-01-29 1964-01-29 Perfectionnements aux systèmes de radio-localisation

Publications (1)

Publication Number Publication Date
BE658817A true BE658817A (fr) 1965-05-17

Family

ID=8821947

Family Applications (1)

Application Number Title Priority Date Filing Date
BE658817A BE658817A (fr) 1964-01-29 1965-01-26

Country Status (3)

Country Link
BE (1) BE658817A (fr)
FR (1) FR1391919A (fr)
NL (1) NL6500986A (fr)

Also Published As

Publication number Publication date
FR1391919A (fr) 1965-03-12
NL6500986A (fr) 1965-07-30

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