NO145489C - Fremgangsmaate til aa krysskople mottatte flerfrekvenssignaler i en fasesoekende mottaker for hyperbelnavigasjonsystemer - Google Patents

Fremgangsmaate til aa krysskople mottatte flerfrekvenssignaler i en fasesoekende mottaker for hyperbelnavigasjonsystemer

Info

Publication number
NO145489C
NO145489C NO761405A NO761405A NO145489C NO 145489 C NO145489 C NO 145489C NO 761405 A NO761405 A NO 761405A NO 761405 A NO761405 A NO 761405A NO 145489 C NO145489 C NO 145489C
Authority
NO
Norway
Prior art keywords
hyperbel
crosscuple
procedure
phase
frequency signals
Prior art date
Application number
NO761405A
Other languages
English (en)
Other versions
NO761405L (no
NO145489B (no
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 NO761405L publication Critical patent/NO761405L/no
Publication of NO145489B publication Critical patent/NO145489B/no
Publication of NO145489C publication Critical patent/NO145489C/no

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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-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
    • G01S5/12—Position-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
    • 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)
  • 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)
NO761405A 1975-04-28 1976-04-23 Fremgangsmaate til aa krysskople mottatte flerfrekvenssignaler i en fasesoekende mottaker for hyperbelnavigasjonsystemer NO145489C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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 (3)

Publication Number Publication Date
NO761405L NO761405L (no) 1976-10-29
NO145489B NO145489B (no) 1981-12-21
NO145489C true NO145489C (no) 1982-03-31

Family

ID=24285599

Family Applications (1)

Application Number Title Priority Date Filing Date
NO761405A NO145489C (no) 1975-04-28 1976-04-23 Fremgangsmaate til aa krysskople mottatte flerfrekvenssignaler i en fasesoekende mottaker for hyperbelnavigasjonsystemer

Country Status (8)

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

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
SE416243B (sv) 1980-12-08
JPS6026984B2 (ja) 1985-06-26
DE2618212B2 (de) 1978-04-13
NO761405L (no) 1976-10-29
DK150082B (da) 1986-12-01
NO145489B (no) 1981-12-21
DE2618212A1 (de) 1976-11-18
DK188176A (da) 1976-10-29
GB1530702A (en) 1978-11-01
DE2618212C3 (de) 1978-12-07
SE7604713L (sv) 1976-10-29
US3996515A (en) 1976-12-07
JPS524189A (en) 1977-01-13
FR2309880A1 (fr) 1976-11-26
FR2309880B1 (no) 1983-02-11

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