DK141829B - Fasesammenlignende radionavigationsanlæg. - Google Patents

Fasesammenlignende radionavigationsanlæg. Download PDF

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Publication number
DK141829B
DK141829B DK596974AA DK596974A DK141829B DK 141829 B DK141829 B DK 141829B DK 596974A A DK596974A A DK 596974AA DK 596974 A DK596974 A DK 596974A DK 141829 B DK141829 B DK 141829B
Authority
DK
Denmark
Prior art keywords
phase
frequency
signals
signal
discriminator
Prior art date
Application number
DK596974AA
Other languages
Danish (da)
English (en)
Other versions
DK596974A (de
DK141829C (de
Inventor
Derek John Phipps
Original Assignee
Decca 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 Decca Ltd filed Critical Decca Ltd
Publication of DK596974A publication Critical patent/DK596974A/da
Publication of DK141829B publication Critical patent/DK141829B/da
Application granted granted Critical
Publication of DK141829C publication Critical patent/DK141829C/da

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Networks Using Active Elements (AREA)
  • Navigation (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DK596974AA 1973-11-16 1974-11-15 Fasesammenlignende radionavigationsanlæg. DK141829B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5322973 1973-11-16
GB5322973A GB1468018A (en) 1973-11-16 1973-11-16 Phase comparison radio navigation systems

Publications (3)

Publication Number Publication Date
DK596974A DK596974A (de) 1975-07-07
DK141829B true DK141829B (da) 1980-06-23
DK141829C DK141829C (de) 1980-11-17

Family

ID=10467071

Family Applications (1)

Application Number Title Priority Date Filing Date
DK596974AA DK141829B (da) 1973-11-16 1974-11-15 Fasesammenlignende radionavigationsanlæg.

Country Status (7)

Country Link
US (1) US3973261A (de)
JP (1) JPS5621108B2 (de)
DE (1) DE2454359A1 (de)
DK (1) DK141829B (de)
FR (1) FR2251827B1 (de)
GB (1) GB1468018A (de)
NO (1) NO142368C (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2574946B1 (fr) * 1984-12-14 1987-01-30 Thomson Csf Procede de synchronisation radioelectrique de stations esclaves par une station maitre, notamment pour un systeme d'aide a l'atterrissage de type mls, et dispositifs de mise en oeuvre d'un tel procede

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3689925A (en) * 1970-05-07 1972-09-05 Dynell Elec Receiver for omega navigation system
US3761932A (en) * 1971-11-22 1973-09-25 Northrop Corp Commutator generator for radio navigation receiver alignment
JPS5033927B2 (de) * 1973-07-06 1975-11-05

Also Published As

Publication number Publication date
NO744111L (de) 1975-06-16
US3973261A (en) 1976-08-03
DE2454359A1 (de) 1975-06-12
DK596974A (de) 1975-07-07
FR2251827A1 (de) 1975-06-13
JPS50114193A (de) 1975-09-06
JPS5621108B2 (de) 1981-05-18
NO142368B (no) 1980-04-28
DK141829C (de) 1980-11-17
FR2251827B1 (de) 1980-04-11
NO142368C (no) 1980-08-20
GB1468018A (en) 1977-03-23

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Legal Events

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PBP Patent lapsed