NO129421B - - Google Patents

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Info

Publication number
NO129421B
NO129421B NO04267/70A NO426770A NO129421B NO 129421 B NO129421 B NO 129421B NO 04267/70 A NO04267/70 A NO 04267/70A NO 426770 A NO426770 A NO 426770A NO 129421 B NO129421 B NO 129421B
Authority
NO
Norway
Prior art keywords
frequency
signals
phase
receiver
clock
Prior art date
Application number
NO04267/70A
Other languages
English (en)
Norwegian (no)
Inventor
D Hughes
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 NO129421B publication Critical patent/NO129421B/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
    • 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
    • G01S1/306—Analogous systems in which frequency-related signals (harmonics) are compared in phase, e.g. DECCA 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)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
NO04267/70A 1969-11-10 1970-11-09 NO129421B (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5497269 1969-11-10

Publications (1)

Publication Number Publication Date
NO129421B true NO129421B (ja) 1974-04-08

Family

ID=10472605

Family Applications (1)

Application Number Title Priority Date Filing Date
NO04267/70A NO129421B (ja) 1969-11-10 1970-11-09

Country Status (14)

Country Link
US (1) US3705403A (ja)
JP (1) JPS4936795B1 (ja)
AR (1) AR194921A1 (ja)
CA (1) CA943218A (ja)
DE (1) DE2055278C3 (ja)
DK (1) DK132245C (ja)
ES (1) ES385378A1 (ja)
FR (1) FR2067076B1 (ja)
GB (1) GB1308149A (ja)
MY (1) MY7600239A (ja)
NL (1) NL159506B (ja)
NO (1) NO129421B (ja)
SE (1) SE359654B (ja)
ZA (1) ZA707568B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1468017A (en) * 1973-11-16 1977-03-23 Decca Ltd Phase comparison radio navigation systems
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
US4398198A (en) * 1980-10-28 1983-08-09 Del Norte Technology, Inc. Pulse-hyperbolic location system using three passive beacon measurements
US4675684A (en) * 1983-10-20 1987-06-23 John P. Ohl Distance measuring receiver system and method
US8645117B2 (en) * 2010-05-27 2014-02-04 Freescale Semiconductor, Inc. Clock simulation device and methods thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3214759A (en) * 1962-04-19 1965-10-26 Seismograph Service Corp Apparatus for providing lane identifi, cation in hyperbolic position finding systems
FR1357721A (fr) * 1963-02-26 1964-04-10 Csf Procédé de mesure de phase

Also Published As

Publication number Publication date
JPS4936795B1 (ja) 1974-10-03
ES385378A1 (es) 1973-04-16
CA943218A (en) 1974-03-05
ZA707568B (en) 1972-06-28
DE2055278C3 (de) 1975-10-09
DE2055278A1 (de) 1971-05-27
DE2055278B2 (de) 1975-03-13
FR2067076B1 (ja) 1976-09-03
NL7016440A (ja) 1971-05-12
AR194921A1 (es) 1973-08-30
DK132245B (da) 1975-11-10
NL159506B (nl) 1979-02-15
GB1308149A (en) 1973-02-21
FR2067076A1 (ja) 1971-08-13
MY7600239A (en) 1976-12-31
SE359654B (ja) 1973-09-03
US3705403A (en) 1972-12-05
DK132245C (da) 1976-04-12

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