JPH0137705B2 - - Google Patents

Info

Publication number
JPH0137705B2
JPH0137705B2 JP532584A JP532584A JPH0137705B2 JP H0137705 B2 JPH0137705 B2 JP H0137705B2 JP 532584 A JP532584 A JP 532584A JP 532584 A JP532584 A JP 532584A JP H0137705 B2 JPH0137705 B2 JP H0137705B2
Authority
JP
Japan
Prior art keywords
phase
frequency
signal
output
station
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
JP532584A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60147664A (ja
Inventor
Teruhisa Fujino
Sadatoshi Narasaki
Jushi Nezu
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.)
Koden Electronics Co Ltd
Original Assignee
Koden Electronics Co 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 Koden Electronics Co Ltd filed Critical Koden Electronics Co Ltd
Priority to JP532584A priority Critical patent/JPS60147664A/ja
Publication of JPS60147664A publication Critical patent/JPS60147664A/ja
Publication of JPH0137705B2 publication Critical patent/JPH0137705B2/ja
Granted 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
    • 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)
JP532584A 1984-01-13 1984-01-13 デツカ航法受信機 Granted JPS60147664A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP532584A JPS60147664A (ja) 1984-01-13 1984-01-13 デツカ航法受信機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP532584A JPS60147664A (ja) 1984-01-13 1984-01-13 デツカ航法受信機

Publications (2)

Publication Number Publication Date
JPS60147664A JPS60147664A (ja) 1985-08-03
JPH0137705B2 true JPH0137705B2 (enrdf_load_stackoverflow) 1989-08-09

Family

ID=11608089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP532584A Granted JPS60147664A (ja) 1984-01-13 1984-01-13 デツカ航法受信機

Country Status (1)

Country Link
JP (1) JPS60147664A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS60147664A (ja) 1985-08-03

Similar Documents

Publication Publication Date Title
US4719469A (en) Direction-determining system
DK174254B1 (da) Navigations- og sporingssystem
US4011562A (en) Single frequency radio ranging system
EP0241992B1 (en) Radio Direction-finding
US3845484A (en) Signal generator for testing vor navigation receivers
US4489327A (en) Direction finding
US3270343A (en) Receiver for receiving multiple frequencies transmitted simultaneously by a phase comparison navigational system
JPH0137705B2 (enrdf_load_stackoverflow)
US3375520A (en) Integrated navigation receiver-computer
JPH04283680A (ja) 光波測距装置
JPH11211762A (ja) 双方向電力量計量方法および装置
US3242492A (en) Radiolocation systems
US3204241A (en) Radio navigation apparatus
US3237196A (en) Radio navigational aids
US3202993A (en) Radio navigation systems
US5128909A (en) Advanced clock measurement system
US4144491A (en) Frequency measuring apparatus
US3689926A (en) Radio direction-finding method and a device for implementing said method
JPS6120873A (ja) 双曲線航法測位装置
JPH0319508B2 (enrdf_load_stackoverflow)
US2766450A (en) Apparatus for measuring the time relationship between recurrent radio frequency pulses
JP3730387B2 (ja) 衛星航法受信機
JPS631255Y2 (enrdf_load_stackoverflow)
GB2154803A (en) Circular antenna array, and phase comparator for use therewith
JPH02245683A (ja) 干渉計方式の電波探知方法