NO129974B - - Google Patents

Download PDF

Info

Publication number
NO129974B
NO129974B NO04265/70A NO426570A NO129974B NO 129974 B NO129974 B NO 129974B NO 04265/70 A NO04265/70 A NO 04265/70A NO 426570 A NO426570 A NO 426570A NO 129974 B NO129974 B NO 129974B
Authority
NO
Norway
Prior art keywords
signals
phase
frequency
frequencies
pulse
Prior art date
Application number
NO04265/70A
Other languages
English (en)
Norwegian (no)
Inventor
B Pace
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 NO129974B publication Critical patent/NO129974B/no

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
    • 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
    • G01S1/306Analogous 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)
  • Radar Systems Or Details Thereof (AREA)
NO04265/70A 1969-11-10 1970-11-09 NO129974B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5497069 1969-11-10

Publications (1)

Publication Number Publication Date
NO129974B true NO129974B (es) 1974-06-17

Family

ID=10472595

Family Applications (1)

Application Number Title Priority Date Filing Date
NO04265/70A NO129974B (es) 1969-11-10 1970-11-09

Country Status (13)

Country Link
US (1) US3710334A (es)
JP (1) JPS4936793B1 (es)
CA (1) CA942879A (es)
DE (1) DE2055280C3 (es)
DK (1) DK132244C (es)
ES (1) ES385376A1 (es)
FR (1) FR2067075B1 (es)
GB (1) GB1308147A (es)
MY (1) MY7600237A (es)
NL (1) NL7016441A (es)
NO (1) NO129974B (es)
SE (1) SE369446B (es)
ZA (1) ZA707566B (es)

Families Citing this family (2)

* 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
US6754613B2 (en) * 2000-03-17 2004-06-22 Vector 12 Corporation High resolution time-to-digital converter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB906563A (en) * 1960-02-15 1962-09-26 Decca Ltd Improvements in or relating to radio navigation systems
US3214759A (en) * 1962-04-19 1965-10-26 Seismograph Service Corp Apparatus for providing lane identifi, cation in hyperbolic position finding systems
GB983014A (en) * 1962-07-17 1965-02-10 Decca Ltd Improvements in or relating to phase comparison radio navigation systems
FR1370760A (fr) * 1963-07-16 1964-08-28 Decca Ltd Perfectionnement aux systèmes de radionavigation à comparaison de phases

Also Published As

Publication number Publication date
FR2067075A1 (es) 1971-08-13
GB1308147A (en) 1973-02-21
MY7600237A (en) 1976-12-31
JPS4936793B1 (es) 1974-10-03
DK132244C (da) 1976-04-05
DK132244B (da) 1975-11-10
NL7016441A (es) 1971-05-12
DE2055280B2 (de) 1975-01-23
DE2055280C3 (de) 1975-09-04
DE2055280A1 (de) 1971-05-27
CA942879A (en) 1974-02-26
ES385376A1 (es) 1973-04-16
FR2067075B1 (es) 1976-09-03
SE369446B (es) 1974-08-26
US3710334A (en) 1973-01-09
ZA707566B (en) 1972-06-28

Similar Documents

Publication Publication Date Title
US2403626A (en) Radio pulse position indicating system
NO134436B (es)
US3845484A (en) Signal generator for testing vor navigation receivers
US3705403A (en) Receivers for phase comparison radio navigation systems
NO129974B (es)
US3736590A (en) Loran-c receiver
US2844816A (en) Radio navigation systems
US3968493A (en) Digital phase comparators
US3938048A (en) Frequency measuring apparatus
NO129420B (es)
US3270343A (en) Receiver for receiving multiple frequencies transmitted simultaneously by a phase comparison navigational system
US3681707A (en) Digital adf tuning indicator
US2484034A (en) Interval measuring system
US2769977A (en) Position indicating apparatus for use with radio navigation systems
US3202993A (en) Radio navigation systems
US3474448A (en) Phase comparison radio navigation systems
GB1065818A (en) Radio location ranging system
US2513316A (en) Radio survey system
US3117319A (en) Navigational system
US3974502A (en) Phase comparison radio navigation system receiver having phase memory oscillators for phase locking to time-sequentially received transmissions
US3332079A (en) Loran-c cycle-matching apparatus
US3465341A (en) Receivers for phase comparison radio navigation systems
US3206752A (en) Radio navigational systems
US3465340A (en) Hyperbolic radio navigation systems of the phase comparison type
NO153275B (no) Loran-c navigansjonsapparat.