JPS60247180A - 無線方向探知機 - Google Patents

無線方向探知機

Info

Publication number
JPS60247180A
JPS60247180A JP1877885A JP1877885A JPS60247180A JP S60247180 A JPS60247180 A JP S60247180A JP 1877885 A JP1877885 A JP 1877885A JP 1877885 A JP1877885 A JP 1877885A JP S60247180 A JPS60247180 A JP S60247180A
Authority
JP
Japan
Prior art keywords
signal
changeover
switching
azimuth
circuit
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.)
Granted
Application number
JP1877885A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6323510B2 (enrdf_load_stackoverflow
Inventor
Isoichi Tanaka
田中　磯一
Nobuo Sato
信雄 佐藤
Katsuji Miwa
三輪　勝二
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 JP1877885A priority Critical patent/JPS60247180A/ja
Publication of JPS60247180A publication Critical patent/JPS60247180A/ja
Publication of JPS6323510B2 publication Critical patent/JPS6323510B2/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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/52—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal
    • G01S3/54—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal the apparent movement of the antenna being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced antennas

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
JP1877885A 1985-02-04 1985-02-04 無線方向探知機 Granted JPS60247180A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1877885A JPS60247180A (ja) 1985-02-04 1985-02-04 無線方向探知機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1877885A JPS60247180A (ja) 1985-02-04 1985-02-04 無線方向探知機

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP11514481A Division JPS5818178A (ja) 1981-07-24 1981-07-24 方向探知機

Publications (2)

Publication Number Publication Date
JPS60247180A true JPS60247180A (ja) 1985-12-06
JPS6323510B2 JPS6323510B2 (enrdf_load_stackoverflow) 1988-05-17

Family

ID=11981090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1877885A Granted JPS60247180A (ja) 1985-02-04 1985-02-04 無線方向探知機

Country Status (1)

Country Link
JP (1) JPS60247180A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827073A (ja) * 1981-08-12 1983-02-17 Koden Electronics Co Ltd 方向探知機
JPH03180788A (ja) * 1989-12-08 1991-08-06 Koden Electron Co Ltd 携帯型電波探索装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827073A (ja) * 1981-08-12 1983-02-17 Koden Electronics Co Ltd 方向探知機
JPH03180788A (ja) * 1989-12-08 1991-08-06 Koden Electron Co Ltd 携帯型電波探索装置

Also Published As

Publication number Publication date
JPS6323510B2 (enrdf_load_stackoverflow) 1988-05-17

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