JPS6252266B2 - - Google Patents

Info

Publication number
JPS6252266B2
JPS6252266B2 JP54018731A JP1873179A JPS6252266B2 JP S6252266 B2 JPS6252266 B2 JP S6252266B2 JP 54018731 A JP54018731 A JP 54018731A JP 1873179 A JP1873179 A JP 1873179A JP S6252266 B2 JPS6252266 B2 JP S6252266B2
Authority
JP
Japan
Prior art keywords
signal
antenna elements
terminal
sideband
switching
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
JP54018731A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55110968A (en
Inventor
Masaharu Yamagishi
Yoshio Nagahama
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP1873179A priority Critical patent/JPS55110968A/ja
Publication of JPS55110968A publication Critical patent/JPS55110968A/ja
Publication of JPS6252266B2 publication Critical patent/JPS6252266B2/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
    • G01S1/38—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna
    • G01S1/40—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna the apparent movement of the antenna being produced by cyclic sequential energisation of fixed antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
JP1873179A 1979-02-20 1979-02-20 Dsb doppler vor Granted JPS55110968A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1873179A JPS55110968A (en) 1979-02-20 1979-02-20 Dsb doppler vor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1873179A JPS55110968A (en) 1979-02-20 1979-02-20 Dsb doppler vor

Publications (2)

Publication Number Publication Date
JPS55110968A JPS55110968A (en) 1980-08-27
JPS6252266B2 true JPS6252266B2 (enExample) 1987-11-04

Family

ID=11979807

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1873179A Granted JPS55110968A (en) 1979-02-20 1979-02-20 Dsb doppler vor

Country Status (1)

Country Link
JP (1) JPS55110968A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01310155A (ja) * 1988-06-08 1989-12-14 Mitsubishi Electric Corp Ｅｇｒシステムの異常検出装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931837A (enExample) * 1972-07-27 1974-03-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01310155A (ja) * 1988-06-08 1989-12-14 Mitsubishi Electric Corp Ｅｇｒシステムの異常検出装置

Also Published As

Publication number Publication date
JPS55110968A (en) 1980-08-27

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