JPH0129269B2 - - Google Patents

Info

Publication number
JPH0129269B2
JPH0129269B2 JP1255982A JP1255982A JPH0129269B2 JP H0129269 B2 JPH0129269 B2 JP H0129269B2 JP 1255982 A JP1255982 A JP 1255982A JP 1255982 A JP1255982 A JP 1255982A JP H0129269 B2 JPH0129269 B2 JP H0129269B2
Authority
JP
Japan
Prior art keywords
signal
phase
alternating current
arrival
measurement
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
JP1255982A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58131574A (ja
Inventor
Sadao Igarashi
Yoshisaburo Hoshiko
Michio Hara
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.)
Koden Electronics Co Ltd
Original Assignee
Koden Electronics 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 Koden Electronics Co Ltd filed Critical Koden Electronics Co Ltd
Priority to JP1255982A priority Critical patent/JPS58131574A/ja
Publication of JPS58131574A publication Critical patent/JPS58131574A/ja
Publication of JPH0129269B2 publication Critical patent/JPH0129269B2/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
    • G01S3/58—Rotating or oscillating beam systems using continuous analysis of received signal for determining direction in the plane of rotation or oscillation or for determining deviation from a predetermined direction in such a plane
    • G01S3/60—Broad-beam systems producing in the receiver a substantially sinusoidal envelope signal of the carrier wave of the beam, the phase angle of which is dependent upon the angle between the direction of the transmitter from the receiver and a reference direction from the receiver, e.g. cardioid system

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
JP1255982A 1982-01-30 1982-01-30 方向探知機 Granted JPS58131574A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1255982A JPS58131574A (ja) 1982-01-30 1982-01-30 方向探知機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1255982A JPS58131574A (ja) 1982-01-30 1982-01-30 方向探知機

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP4098089A Division JPH03183978A (ja) 1989-02-20 1989-02-20 方向探知機

Publications (2)

Publication Number Publication Date
JPS58131574A JPS58131574A (ja) 1983-08-05
JPH0129269B2 true JPH0129269B2 (en]) 1989-06-08

Family

ID=11808694

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1255982A Granted JPS58131574A (ja) 1982-01-30 1982-01-30 方向探知機

Country Status (1)

Country Link
JP (1) JPS58131574A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60135877A (ja) * 1983-12-26 1985-07-19 Koden Electronics Co Ltd 方向探知機
JPS617482A (ja) * 1984-05-25 1986-01-14 Koden Electronics Co Ltd 方位表示装置

Also Published As

Publication number Publication date
JPS58131574A (ja) 1983-08-05

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