JPS6255113B2 - - Google Patents

Info

Publication number
JPS6255113B2
JPS6255113B2 JP16229280A JP16229280A JPS6255113B2 JP S6255113 B2 JPS6255113 B2 JP S6255113B2 JP 16229280 A JP16229280 A JP 16229280A JP 16229280 A JP16229280 A JP 16229280A JP S6255113 B2 JPS6255113 B2 JP S6255113B2
Authority
JP
Japan
Prior art keywords
azimuth
antenna
radio wave
phase difference
antenna elements
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
JP16229280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5786066A (en
Inventor
Takanao Suzuki
Toshuki Matsura
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 JP16229280A priority Critical patent/JPS5786066A/ja
Publication of JPS5786066A publication Critical patent/JPS5786066A/ja
Publication of JPS6255113B2 publication Critical patent/JPS6255113B2/ja
Granted legal-status Critical Current

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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02Direction-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
    • G01S3/14Systems for determining direction or deviation from predetermined direction
    • G01S3/52Systems 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
    • G01S3/54Systems 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)
JP16229280A 1980-11-18 1980-11-18 Bearing measuring device Granted JPS5786066A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16229280A JPS5786066A (en) 1980-11-18 1980-11-18 Bearing measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16229280A JPS5786066A (en) 1980-11-18 1980-11-18 Bearing measuring device

Publications (2)

Publication Number Publication Date
JPS5786066A JPS5786066A (en) 1982-05-28
JPS6255113B2 true JPS6255113B2 (US07122547-20061017-C00273.png) 1987-11-18

Family

ID=15751709

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16229280A Granted JPS5786066A (en) 1980-11-18 1980-11-18 Bearing measuring device

Country Status (1)

Country Link
JP (1) JPS5786066A (US07122547-20061017-C00273.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0351316U (US07122547-20061017-C00273.png) * 1989-09-22 1991-05-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0351316U (US07122547-20061017-C00273.png) * 1989-09-22 1991-05-20

Also Published As

Publication number Publication date
JPS5786066A (en) 1982-05-28

Similar Documents

Publication Publication Date Title
US3765018A (en) Digital scan converter
EP0038102B1 (en) Digital scan converter
JPS6255113B2 (US07122547-20061017-C00273.png)
US4833478A (en) Automatic direction finder antenna array
US3916407A (en) Doppler navigation system with angle and radial velocity determination
JPH06213989A (ja) 方位測定装置及び時間間隔測定装置
CN207133422U (zh) 雷达控制装置及系统
JPH04125480A (ja) 無線方向探知機
US3943508A (en) Electronic roll compensation system for a radar antenna
US2978697A (en) Apparatus for reducing the frequency band width of radar frequency mixtures and the like
US3967284A (en) Radar apparatus for detecting a coherent Doppler signal in cluttered environments
JPH0770901B2 (ja) 移動体用アンテナ装置
JPH06214004A (ja) 映像データ処理回路
JP2969875B2 (ja) 方位測定装置
US3378839A (en) Radiolocation system
JP2732302B2 (ja) 無線方位測定空中線系
US3099006A (en) Navigation system
JP2757667B2 (ja) 飛しょう体用誘導装置
Davies Application of electronic sector scanning techniques to height-finding radar systems
JPS5852544Y2 (ja) 方向探知機
JPS56137169A (en) Direction measuring device
JPS5851234B2 (ja) 無線方向探知機
JPH062152Y2 (ja) Pll方式方向探知機
SU1111111A1 (ru) Цифровой растровый индикатор
JPS604873A (ja) 方位探知装置