DK140269B - Fasesammenlignende radionavigationsanlæg. - Google Patents

Fasesammenlignende radionavigationsanlæg.

Info

Publication number
DK140269B
DK140269B DK596774AA DK596774A DK140269B DK 140269 B DK140269 B DK 140269B DK 596774A A DK596774A A DK 596774AA DK 596774 A DK596774 A DK 596774A DK 140269 B DK140269 B DK 140269B
Authority
DK
Denmark
Prior art keywords
phase
navigation systems
radio navigation
comparative
comparative radio
Prior art date
Application number
DK596774AA
Other languages
Danish (da)
English (en)
Other versions
DK596774A (ja
DK140269C (ja
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 DK596774A publication Critical patent/DK596774A/da
Publication of DK140269B publication Critical patent/DK140269B/da
Application granted granted Critical
Publication of DK140269C publication Critical patent/DK140269C/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
    • G01S1/308—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 particularly adapted to Omega systems

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)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Networks Using Active Elements (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Optical Communication System (AREA)
DK596774AA 1973-11-16 1974-11-15 Fasesammenlignende radionavigationsanlæg. DK140269B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5318373A GB1468016A (en) 1973-11-16 1973-11-16 Phase comparison radio navigation systems

Publications (3)

Publication Number Publication Date
DK596774A DK596774A (ja) 1975-07-07
DK140269B true DK140269B (da) 1979-07-16
DK140269C DK140269C (ja) 1979-12-10

Family

ID=10466916

Family Applications (1)

Application Number Title Priority Date Filing Date
DK596774AA DK140269B (da) 1973-11-16 1974-11-15 Fasesammenlignende radionavigationsanlæg.

Country Status (8)

Country Link
US (1) US3981015A (ja)
JP (1) JPS5621106B2 (ja)
DE (1) DE2454360C2 (ja)
DK (1) DK140269B (ja)
FR (1) FR2251825B1 (ja)
GB (1) GB1468016A (ja)
NO (1) NO142320C (ja)
SE (1) SE404432B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3001014C2 (de) * 1980-01-12 1982-06-24 Južnoe proizvodstvennoe ob"edinenie po morskim geologorazvedočnym rabotam "Južmorgeologija", Gelendžik, Krasnodarskogo kraja Elektronischer Digitalanzeigeempfänger für das Decca-Funknavigationssystem
JP3401185B2 (ja) * 1998-05-29 2003-04-28 三菱電機株式会社 無線通信装置及び無線通信方法
IL169854A (en) * 2005-07-25 2013-11-28 Elta Systems Ltd System and method for finding receiver-transmitter location
IL169855A (en) 2005-07-25 2014-05-28 Elta Systems Ltd A system and method for locating a receiver location
JP2008083918A (ja) * 2006-09-27 2008-04-10 Aisin Aw Co Ltd ナビゲーション装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB955281A (en) * 1961-06-19 1964-04-15 Decca Ltd Improvements in or relating to radio navigation systems

Also Published As

Publication number Publication date
DK596774A (ja) 1975-07-07
FR2251825A1 (ja) 1975-06-13
SE404432B (sv) 1978-10-02
FR2251825B1 (ja) 1982-10-29
NO744109L (ja) 1975-06-16
JPS50114191A (ja) 1975-09-06
DK140269C (ja) 1979-12-10
SE7414383L (ja) 1975-05-20
NO142320B (no) 1980-04-21
NO142320C (no) 1980-07-30
JPS5621106B2 (ja) 1981-05-18
GB1468016A (en) 1977-03-23
US3981015A (en) 1976-09-14
DE2454360A1 (de) 1975-05-22
DE2454360C2 (de) 1982-12-09

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Legal Events

Date Code Title Description
PBP Patent lapsed