JPS6258472B2 - - Google Patents

Info

Publication number
JPS6258472B2
JPS6258472B2 JP56092107A JP9210781A JPS6258472B2 JP S6258472 B2 JPS6258472 B2 JP S6258472B2 JP 56092107 A JP56092107 A JP 56092107A JP 9210781 A JP9210781 A JP 9210781A JP S6258472 B2 JPS6258472 B2 JP S6258472B2
Authority
JP
Japan
Prior art keywords
output
antennas
directivity
differential amplifier
magnitude
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
JP56092107A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57207879A (en
Inventor
Miki Kobayashi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP56092107A priority Critical patent/JPS57207879A/ja
Publication of JPS57207879A publication Critical patent/JPS57207879A/ja
Publication of JPS6258472B2 publication Critical patent/JPS6258472B2/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
    • G01S3/16—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic
    • G01S3/20—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic derived by sampling signal received by an antenna system having periodically-varied orientation of directivity characteristic

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
JP56092107A 1981-06-17 1981-06-17 Raid homing device Granted JPS57207879A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56092107A JPS57207879A (en) 1981-06-17 1981-06-17 Raid homing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56092107A JPS57207879A (en) 1981-06-17 1981-06-17 Raid homing device

Publications (2)

Publication Number Publication Date
JPS57207879A JPS57207879A (en) 1982-12-20
JPS6258472B2 true JPS6258472B2 (en]) 1987-12-05

Family

ID=14045205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56092107A Granted JPS57207879A (en) 1981-06-17 1981-06-17 Raid homing device

Country Status (1)

Country Link
JP (1) JPS57207879A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01135466U (en]) * 1988-03-10 1989-09-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01135466U (en]) * 1988-03-10 1989-09-18

Also Published As

Publication number Publication date
JPS57207879A (en) 1982-12-20

Similar Documents

Publication Publication Date Title
CN104581942A (zh) 基于可旋转发射波束信号的网络分布式定位方法
JPS6258472B2 (en])
JPS61139770A (ja) 簡易形方向探知装置
US1342257A (en) Electromagnetic-wave navigational system
JP3283952B2 (ja) 簡易型方向探知装置
JP2676936B2 (ja) 方位探知装置
JPS58223771A (ja) 地中埋設物探知方式
JPS61294380A (ja) 方位探知装置
JP2006275629A (ja) 移動物体検出装置
JPS5910624B2 (ja) 無線ディジタル信号受信方式
JPH02304384A (ja) 方位測定システム
JPS643081Y2 (en])
JPS6079804A (ja) 複合アンテナ装置
JPH0317268Y2 (en])
JP3231819B2 (ja) アンテナ切換え方式
JP2002090436A (ja) 無線方向探知機
JPS6110329Y2 (en])
JPH0436464Y2 (en])
JP2817099B2 (ja) 方向探知機
JP2006072663A (ja) 歩行者情報提供システム、歩行者情報提供システム用発信機及び歩行者情報提供システム用受信機
JPH05323010A (ja) 遠隔音声受話装置
JPH0754864Y2 (ja) 海中雑音方向性測定装置
JP2829376B2 (ja) Ｆｍ同期放送における同一干渉量位置探査方法
JPH0449803B2 (en])
JPS6197582A (ja) アンテナ追尾装置