IT1051179B - Radioricevitore di impianto di guida ad analisi doppler - Google Patents

Radioricevitore di impianto di guida ad analisi doppler

Info

Publication number
IT1051179B
IT1051179B IT30437/75A IT3043775A IT1051179B IT 1051179 B IT1051179 B IT 1051179B IT 30437/75 A IT30437/75 A IT 30437/75A IT 3043775 A IT3043775 A IT 3043775A IT 1051179 B IT1051179 B IT 1051179B
Authority
IT
Italy
Prior art keywords
radio receiver
guide system
system radio
doppler analysis
analysis guide
Prior art date
Application number
IT30437/75A
Other languages
English (en)
Original Assignee
Int 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of IT1051179B publication Critical patent/IT1051179B/it

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)
IT30437/75A 1974-12-23 1975-12-18 Radioricevitore di impianto di guida ad analisi doppler IT1051179B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB55381/74A GB1512780A (en) 1974-12-23 1974-12-23 Doppler scanning guidance system radio receiver

Publications (1)

Publication Number Publication Date
IT1051179B true IT1051179B (it) 1981-04-21

Family

ID=10473741

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30437/75A IT1051179B (it) 1974-12-23 1975-12-18 Radioricevitore di impianto di guida ad analisi doppler

Country Status (4)

Country Link
US (1) US4047177A (it)
AU (1) AU497718B2 (it)
GB (1) GB1512780A (it)
IT (1) IT1051179B (it)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3691560A (en) * 1961-02-02 1972-09-12 Calvin M Hammack Method and apparatus for geometrical determination
GB1402885A (en) * 1972-08-03 1975-08-13 Standard Telephones Cables Ltd Doppler radio gui-ance systems
GB1387249A (en) * 1973-07-19 1975-03-12 Standard Telephones Cables Ltd Radio navigation receiver

Also Published As

Publication number Publication date
AU8732775A (en) 1977-06-16
GB1512780A (en) 1978-06-01
US4047177A (en) 1977-09-06
AU497718B2 (en) 1979-01-04

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