AU482143B2 - Improvements in aircraft navigation systems - Google Patents

Improvements in aircraft navigation systems

Info

Publication number
AU482143B2
AU482143B2 AU61630/73A AU6163073A AU482143B2 AU 482143 B2 AU482143 B2 AU 482143B2 AU 61630/73 A AU61630/73 A AU 61630/73A AU 6163073 A AU6163073 A AU 6163073A AU 482143 B2 AU482143 B2 AU 482143B2
Authority
AU
Australia
Prior art keywords
navigation systems
aircraft navigation
aircraft
systems
navigation
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
AU61630/73A
Other versions
AU6163073A (en
Inventor
Robert Johnson Brian
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.)
Amalgamated Wireless Australasia Ltd
Original Assignee
Amalgamated Wireless Australasia Ltd
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 Amalgamated Wireless Australasia Ltd filed Critical Amalgamated Wireless Australasia Ltd
Priority to AU61630/73A priority Critical patent/AU482143B2/en
Application granted granted Critical
Publication of AU482143B2 publication Critical patent/AU482143B2/en
Publication of AU6163073A publication Critical patent/AU6163073A/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)
AU61630/73A 1972-12-14 1973-10-19 Improvements in aircraft navigation systems Expired AU482143B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU61630/73A AU482143B2 (en) 1972-12-14 1973-10-19 Improvements in aircraft navigation systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPB160172 1972-12-14
AU61630/73A AU482143B2 (en) 1972-12-14 1973-10-19 Improvements in aircraft navigation systems

Publications (2)

Publication Number Publication Date
AU482143B2 true AU482143B2 (en) 1975-04-24
AU6163073A AU6163073A (en) 1975-04-24

Family

ID=25633203

Family Applications (1)

Application Number Title Priority Date Filing Date
AU61630/73A Expired AU482143B2 (en) 1972-12-14 1973-10-19 Improvements in aircraft navigation systems

Country Status (1)

Country Link
AU (1) AU482143B2 (en)

Also Published As

Publication number Publication date
AU6163073A (en) 1975-04-24

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