JPS6457184A - Method for searching radio wave arrival direction - Google Patents

Method for searching radio wave arrival direction

Info

Publication number
JPS6457184A
JPS6457184A JP16793787A JP16793787A JPS6457184A JP S6457184 A JPS6457184 A JP S6457184A JP 16793787 A JP16793787 A JP 16793787A JP 16793787 A JP16793787 A JP 16793787A JP S6457184 A JPS6457184 A JP S6457184A
Authority
JP
Japan
Prior art keywords
antenna
radio wave
phase difference
sets
waves
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
JP16793787A
Other languages
Japanese (ja)
Other versions
JP2608559B2 (en
Inventor
Yukihiro Nishida
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.)
Japan Broadcasting Corp
Original Assignee
Nippon Hoso Kyokai NHK
Japan Broadcasting Corp
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 Hoso Kyokai NHK, Japan Broadcasting Corp filed Critical Nippon Hoso Kyokai NHK
Priority to JP62167937A priority Critical patent/JP2608559B2/en
Publication of JPS6457184A publication Critical patent/JPS6457184A/en
Application granted granted Critical
Publication of JP2608559B2 publication Critical patent/JP2608559B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PURPOSE:To search the arrival direction of a radio wave without requiring scanning operation, by two sets of antenna pairs composed of antennae having the same directional characteristic. CONSTITUTION:Delay circuits 1, 2 are inserted in the output system of one antennae A2, B2 with respect to the receiving outputs from two sets of antenna pairs A1, A2 and B1, B2. Subsequently, the antenna receiving outputs of the respective sets are synthesized by synthesizers 3, 4 and the powers of the synthetic waves are powers of the synthetic waves are normalized on the basis of the measuring power from a separately provided reference antenna C through a power measuring device 7 and the phase difference between two antenna receiving waves in each set is detected from said normalized power value by phase difference detectors 8, 9. Subsequently, two radio wave arrival directions are determined from said phase difference by direction determination devices 10, 11. Further, by ANDing the common direction out of two directions calculated in each set by an AND circuit 12, one direction is finally determined.
JP62167937A 1987-05-22 1987-07-07 Radio arrival direction detection method Expired - Lifetime JP2608559B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62167937A JP2608559B2 (en) 1987-05-22 1987-07-07 Radio arrival direction detection method

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP12405987 1987-05-22
JP62-124059 1987-05-22
JP62167937A JP2608559B2 (en) 1987-05-22 1987-07-07 Radio arrival direction detection method

Publications (2)

Publication Number Publication Date
JPS6457184A true JPS6457184A (en) 1989-03-03
JP2608559B2 JP2608559B2 (en) 1997-05-07

Family

ID=26460810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62167937A Expired - Lifetime JP2608559B2 (en) 1987-05-22 1987-07-07 Radio arrival direction detection method

Country Status (1)

Country Link
JP (1) JP2608559B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0424278A (en) * 1990-05-21 1992-01-28 Agency Of Ind Science & Technol Pattern regulating and cutting device
JP2004347458A (en) * 2003-05-22 2004-12-09 Nakayo Telecommun Inc Radio wave direction finder
JP2007047179A (en) * 2006-09-14 2007-02-22 Nakayo Telecommun Inc Detection method of electric wave arrival direction
KR100979287B1 (en) * 2009-12-07 2010-08-31 엘아이지넥스원 주식회사 System and method for detecting direction
JP2016156683A (en) * 2015-02-24 2016-09-01 株式会社Ｎｔｔドコモ Phase difference measurement device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7312992B2 (en) * 2019-12-27 2023-07-24 パナソニックＩｐマネジメント株式会社 Estimation system, receiving system, control system, estimation method and program

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0424278A (en) * 1990-05-21 1992-01-28 Agency Of Ind Science & Technol Pattern regulating and cutting device
JP2004347458A (en) * 2003-05-22 2004-12-09 Nakayo Telecommun Inc Radio wave direction finder
JP2007047179A (en) * 2006-09-14 2007-02-22 Nakayo Telecommun Inc Detection method of electric wave arrival direction
KR100979287B1 (en) * 2009-12-07 2010-08-31 엘아이지넥스원 주식회사 System and method for detecting direction
JP2016156683A (en) * 2015-02-24 2016-09-01 株式会社Ｎｔｔドコモ Phase difference measurement device

Also Published As

Publication number Publication date
JP2608559B2 (en) 1997-05-07

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