DK150082B - Fremgangsmaade til krydskobling af en navigationsmodtagers kanaler - Google Patents

Fremgangsmaade til krydskobling af en navigationsmodtagers kanaler Download PDF

Info

Publication number
DK150082B
DK150082B DK188176AA DK188176A DK150082B DK 150082 B DK150082 B DK 150082B DK 188176A A DK188176A A DK 188176AA DK 188176 A DK188176 A DK 188176A DK 150082 B DK150082 B DK 150082B
Authority
DK
Denmark
Prior art keywords
phase
signal
signals
received
reference signal
Prior art date
Application number
DK188176AA
Other languages
Danish (da)
English (en)
Other versions
DK188176A (da
Inventor
Otto John Baltzer
Spurgeon Eugene Smith
Original Assignee
Tracor
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 Tracor filed Critical Tracor
Publication of DK188176A publication Critical patent/DK188176A/da
Publication of DK150082B publication Critical patent/DK150082B/da

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/12Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves by co-ordinating position lines of different shape, e.g. hyperbolic, circular, elliptical or radial
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/02Beacons 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
    • G01S1/08Systems for determining direction or position line
    • G01S1/20Systems 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
    • G01S1/30Systems 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
    • G01S1/308Systems 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Radar Systems Or Details Thereof (AREA)
DK188176AA 1975-04-28 1976-04-27 Fremgangsmaade til krydskobling af en navigationsmodtagers kanaler DK150082B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57192075 1975-04-28
US05/571,920 US3996515A (en) 1975-04-28 1975-04-28 Method for frequency cross-coupling of channels in an Omega Navigation receiver system

Publications (2)

Publication Number Publication Date
DK188176A DK188176A (da) 1976-10-29
DK150082B true DK150082B (da) 1986-12-01

Family

ID=24285599

Family Applications (1)

Application Number Title Priority Date Filing Date
DK188176AA DK150082B (da) 1975-04-28 1976-04-27 Fremgangsmaade til krydskobling af en navigationsmodtagers kanaler

Country Status (8)

Country Link
US (1) US3996515A (enExample)
JP (1) JPS6026984B2 (enExample)
DE (1) DE2618212C3 (enExample)
DK (1) DK150082B (enExample)
FR (1) FR2309880A1 (enExample)
GB (1) GB1530702A (enExample)
NO (1) NO145489C (enExample)
SE (1) SE416243B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57119271A (en) * 1981-01-17 1982-07-24 Fujitsu Ltd Decca receiving device
US6433531B1 (en) * 1995-07-25 2002-08-13 Zvi Regev Method for instantaneous frequency measurement
CN119596042B (zh) * 2024-12-12 2025-06-06 南京从景生物技术有限公司 一种矩形波导定向耦合器测试方法及系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB928421A (en) * 1959-12-18 1963-06-12 Marconi Wireless Telegraph Co Improvements in or relating to navigation aiding receivers
GB1181134A (en) * 1967-08-22 1970-02-11 Decca Ltd Improvements in or relating to Phase Comparison Navigation Systems
US3696424A (en) * 1968-12-23 1972-10-03 Ltv Electrosystems Inc Method and apparatus for very-low-frequency radio nagigation
US3896443A (en) * 1973-06-01 1975-07-22 Harold P Zitzow Omega navigation receiver station pair selection and lop display system

Also Published As

Publication number Publication date
JPS6026984B2 (ja) 1985-06-26
FR2309880B1 (enExample) 1983-02-11
SE7604713L (sv) 1976-10-29
US3996515A (en) 1976-12-07
GB1530702A (en) 1978-11-01
DE2618212A1 (de) 1976-11-18
NO145489B (no) 1981-12-21
SE416243B (sv) 1980-12-08
DE2618212B2 (de) 1978-04-13
FR2309880A1 (fr) 1976-11-26
DK188176A (da) 1976-10-29
JPS524189A (en) 1977-01-13
DE2618212C3 (de) 1978-12-07
NO145489C (no) 1982-03-31
NO761405L (enExample) 1976-10-29

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