JPS634152B2 - - Google Patents

Info

Publication number
JPS634152B2
JPS634152B2 JP10425479A JP10425479A JPS634152B2 JP S634152 B2 JPS634152 B2 JP S634152B2 JP 10425479 A JP10425479 A JP 10425479A JP 10425479 A JP10425479 A JP 10425479A JP S634152 B2 JPS634152 B2 JP S634152B2
Authority
JP
Japan
Prior art keywords
output
phase
signal
phase detector
sent
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
JP10425479A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5627669A (en
Inventor
Tadao Tsuji
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 JP10425479A priority Critical patent/JPS5627669A/ja
Publication of JPS5627669A publication Critical patent/JPS5627669A/ja
Publication of JPS634152B2 publication Critical patent/JPS634152B2/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
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured

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)
JP10425479A 1979-08-15 1979-08-15 Device for measuring azimuth Granted JPS5627669A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10425479A JPS5627669A (en) 1979-08-15 1979-08-15 Device for measuring azimuth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10425479A JPS5627669A (en) 1979-08-15 1979-08-15 Device for measuring azimuth

Publications (2)

Publication Number Publication Date
JPS5627669A JPS5627669A (en) 1981-03-18
JPS634152B2 true JPS634152B2 (en]) 1988-01-27

Family

ID=14375786

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10425479A Granted JPS5627669A (en) 1979-08-15 1979-08-15 Device for measuring azimuth

Country Status (1)

Country Link
JP (1) JPS5627669A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015040860A (ja) * 2013-08-23 2015-03-02 フルークコーポレイションＦｌｕｋｅ Ｃｏｒｐｏｒａｔｉｏｎ 無線信号の到来方向の特定

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0331781Y2 (en]) * 1984-11-12 1991-07-05
JPS61102737U (en]) * 1984-12-13 1986-06-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015040860A (ja) * 2013-08-23 2015-03-02 フルークコーポレイションＦｌｕｋｅ Ｃｏｒｐｏｒａｔｉｏｎ 無線信号の到来方向の特定

Also Published As

Publication number Publication date
JPS5627669A (en) 1981-03-18

Similar Documents

Publication Publication Date Title
US10732253B2 (en) Antenna arrangements for measurement of angle of arrival
US4443801A (en) Direction finding and frequency identification method and apparatus
US3973262A (en) Radio direction finder with means for reducing sensitivity to multipath propogation errors
JP2020034433A (ja) Ｓａｗセンサ
KR100971772B1 (ko) 신호원 탐지기 및 그 방법
US20180038934A1 (en) Discrimination of signal angle of arrival using at least two antennas
JPS634152B2 (en])
US3942177A (en) Interferometer radar elevation angle measurement apparatus
JP4226462B2 (ja) 角度検出装置および傾斜角度測定装置
JPH01161180A (ja) 方向探知装置
JP2608559B2 (ja) 電波到来方向探知方法
JPH09257902A (ja) 方位探知装置
JP2634259B2 (ja) 高周波信号方向探知装置
JP2550707B2 (ja) フェーズドアレイレーダ
US3530365A (en) Phase shifting network for producing a phase of any value from 0 to 360
JPS61284680A (ja) 方位測定装置
JPH07280909A (ja) 方位測定装置
JP2770064B2 (ja) ２信号混信分離方位測定方法
JP2953240B2 (ja) アンテナ装置
RU1841379C (ru) Суммарно-разностный интерференционный фазометр
JPH11271435A (ja) モノパルス受信機
JPS63223584A (ja) 電波検知装置
JPS62239074A (ja) 方探装置
JPH06308212A (ja) 複数のアンテナを用いた到来電波方位計測方法
JP7115829B2 (ja) レーダ装置