DE2213527A1 - Bodenantenne für ein Doppler -Lande system - Google Patents

Bodenantenne für ein Doppler -Lande system

Info

Publication number
DE2213527A1
DE2213527A1 DE19722213527 DE2213527A DE2213527A1 DE 2213527 A1 DE2213527 A1 DE 2213527A1 DE 19722213527 DE19722213527 DE 19722213527 DE 2213527 A DE2213527 A DE 2213527A DE 2213527 A1 DE2213527 A1 DE 2213527A1
Authority
DE
Germany
Prior art keywords
doppler
area
antenna
radiator
switch
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.)
Pending
Application number
DE19722213527
Other languages
German (de)
English (en)
Inventor
Charles William Hampstead London Earp
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 DE2213527A1 publication Critical patent/DE2213527A1/de
Pending 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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DE19722213527 1971-03-23 1972-03-21 Bodenantenne für ein Doppler -Lande system Pending DE2213527A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB754771 1971-03-23

Publications (1)

Publication Number Publication Date
DE2213527A1 true DE2213527A1 (de) 1972-10-05

Family

ID=9835231

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722213527 Pending DE2213527A1 (de) 1971-03-23 1972-03-21 Bodenantenne für ein Doppler -Lande system

Country Status (4)

Country Link
DE (1) DE2213527A1 (cg-RX-API-DMAC7.html)
FR (1) FR2130525B1 (cg-RX-API-DMAC7.html)
GB (1) GB1317396A (cg-RX-API-DMAC7.html)
IT (1) IT950403B (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2204907A2 (cg-RX-API-DMAC7.html) * 1970-12-29 1974-05-24 Int Standard Electric Corp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1232699A (cg-RX-API-DMAC7.html) * 1968-12-13 1971-05-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2204907A2 (cg-RX-API-DMAC7.html) * 1970-12-29 1974-05-24 Int Standard Electric Corp

Also Published As

Publication number Publication date
FR2130525B1 (cg-RX-API-DMAC7.html) 1977-09-02
GB1317396A (en) 1973-05-16
FR2130525A1 (cg-RX-API-DMAC7.html) 1972-11-03
IT950403B (it) 1973-06-20

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