JPS57146174A - Distance measuring method utilizing radiowave - Google Patents

Distance measuring method utilizing radiowave

Info

Publication number
JPS57146174A
JPS57146174A JP3057681A JP3057681A JPS57146174A JP S57146174 A JPS57146174 A JP S57146174A JP 3057681 A JP3057681 A JP 3057681A JP 3057681 A JP3057681 A JP 3057681A JP S57146174 A JPS57146174 A JP S57146174A
Authority
JP
Japan
Prior art keywords
stations
distance measuring
specified
accuracy
frequency signal
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
JP3057681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6256470B2 (enrdf_load_stackoverflow
Inventor
Hajime Adachi
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.)
SPC Electronics Corp
Shimada Rika Kogyo KK
Original Assignee
SPC Electronics Corp
Shimada Rika Kogyo KK
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 SPC Electronics Corp, Shimada Rika Kogyo KK filed Critical SPC Electronics Corp
Priority to JP3057681A priority Critical patent/JPS57146174A/ja
Publication of JPS57146174A publication Critical patent/JPS57146174A/ja
Publication of JPS6256470B2 publication Critical patent/JPS6256470B2/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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
JP3057681A 1981-03-05 1981-03-05 Distance measuring method utilizing radiowave Granted JPS57146174A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3057681A JPS57146174A (en) 1981-03-05 1981-03-05 Distance measuring method utilizing radiowave

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3057681A JPS57146174A (en) 1981-03-05 1981-03-05 Distance measuring method utilizing radiowave

Publications (2)

Publication Number Publication Date
JPS57146174A true JPS57146174A (en) 1982-09-09
JPS6256470B2 JPS6256470B2 (enrdf_load_stackoverflow) 1987-11-26

Family

ID=12307669

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3057681A Granted JPS57146174A (en) 1981-03-05 1981-03-05 Distance measuring method utilizing radiowave

Country Status (1)

Country Link
JP (1) JPS57146174A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6431076A (en) * 1987-07-28 1989-02-01 Furuno Electric Co Position measuring system
GB2448715A (en) * 2007-04-24 2008-10-29 Eads Defence And Security Systems Ltd Wireless asset tracking system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6328054U (enrdf_load_stackoverflow) * 1986-08-08 1988-02-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6431076A (en) * 1987-07-28 1989-02-01 Furuno Electric Co Position measuring system
GB2448715A (en) * 2007-04-24 2008-10-29 Eads Defence And Security Systems Ltd Wireless asset tracking system

Also Published As

Publication number Publication date
JPS6256470B2 (enrdf_load_stackoverflow) 1987-11-26

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