JPS6026984B2 - 異なつた周波数の受信信号を混結合する方法 - Google Patents

異なつた周波数の受信信号を混結合する方法

Info

Publication number
JPS6026984B2
JPS6026984B2 JP51049310A JP4931076A JPS6026984B2 JP S6026984 B2 JPS6026984 B2 JP S6026984B2 JP 51049310 A JP51049310 A JP 51049310A JP 4931076 A JP4931076 A JP 4931076A JP S6026984 B2 JPS6026984 B2 JP S6026984B2
Authority
JP
Japan
Prior art keywords
phase
signal
signals
reference signal
received
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.)
Expired
Application number
JP51049310A
Other languages
English (en)
Japanese (ja)
Other versions
JPS524189A (en
Inventor
オツトー、ジヨン、バルツアー
スパーゲオン、ユージン、スミス
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.)
Tracor Inc
Original Assignee
Tracor Inc
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 Inc filed Critical Tracor Inc
Publication of JPS524189A publication Critical patent/JPS524189A/ja
Publication of JPS6026984B2 publication Critical patent/JPS6026984B2/ja
Expired 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
    • 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)
JP51049310A 1975-04-28 1976-04-28 異なつた周波数の受信信号を混結合する方法 Expired JPS6026984B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US571920 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
JPS524189A JPS524189A (en) 1977-01-13
JPS6026984B2 true JPS6026984B2 (ja) 1985-06-26

Family

ID=24285599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51049310A Expired JPS6026984B2 (ja) 1975-04-28 1976-04-28 異なつた周波数の受信信号を混結合する方法

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
FR2309880B1 (enExample) 1983-02-11
SE7604713L (sv) 1976-10-29
US3996515A (en) 1976-12-07
GB1530702A (en) 1978-11-01
DK150082B (da) 1986-12-01
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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