JPH0347468B2 - - Google Patents

Info

Publication number
JPH0347468B2
JPH0347468B2 JP59078965A JP7896584A JPH0347468B2 JP H0347468 B2 JPH0347468 B2 JP H0347468B2 JP 59078965 A JP59078965 A JP 59078965A JP 7896584 A JP7896584 A JP 7896584A JP H0347468 B2 JPH0347468 B2 JP H0347468B2
Authority
JP
Japan
Prior art keywords
antenna
received signal
driving
fluctuation
step track
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 - Lifetime
Application number
JP59078965A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60222780A (ja
Inventor
Makoto Nakayama
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.)
NEC Corp
Original Assignee
Nippon 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP7896584A priority Critical patent/JPS60222780A/ja
Publication of JPS60222780A publication Critical patent/JPS60222780A/ja
Publication of JPH0347468B2 publication Critical patent/JPH0347468B2/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
    • G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
    • G01S3/44—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal the adjustment being varied periodically or continuously until it is halted automatically when the desired condition is attained

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radio Relay Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
JP7896584A 1984-04-19 1984-04-19 ステップトラック装置 Granted JPS60222780A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7896584A JPS60222780A (ja) 1984-04-19 1984-04-19 ステップトラック装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7896584A JPS60222780A (ja) 1984-04-19 1984-04-19 ステップトラック装置

Publications (2)

Publication Number Publication Date
JPS60222780A JPS60222780A (ja) 1985-11-07
JPH0347468B2 true JPH0347468B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-07-19

Family

ID=13676607

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7896584A Granted JPS60222780A (ja) 1984-04-19 1984-04-19 ステップトラック装置

Country Status (1)

Country Link
JP (1) JPS60222780A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62134582A (ja) * 1985-12-06 1987-06-17 Nec Corp 自動追尾装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55110969A (en) * 1979-02-20 1980-08-27 Nec Corp Automatic antenna tracking apparatus
JPS599571A (ja) * 1982-07-07 1984-01-18 Fujitsu Ltd 追尾方式

Also Published As

Publication number Publication date
JPS60222780A (ja) 1985-11-07

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