JPS5376057A - Distance measuring system - Google Patents

Distance measuring system

Info

Publication number
JPS5376057A
JPS5376057A JP15095576A JP15095576A JPS5376057A JP S5376057 A JPS5376057 A JP S5376057A JP 15095576 A JP15095576 A JP 15095576A JP 15095576 A JP15095576 A JP 15095576A JP S5376057 A JPS5376057 A JP S5376057A
Authority
JP
Japan
Prior art keywords
distance measuring
measuring system
propagation
integrating
counting
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.)
Pending
Application number
JP15095576A
Other languages
Japanese (ja)
Inventor
Masatada Fukushima
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15095576A priority Critical patent/JPS5376057A/en
Publication of JPS5376057A publication Critical patent/JPS5376057A/en
Pending 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/14—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

PURPOSE:To make measurement at high accuracy by integrating and counting the frequencies proportional to surge propagation speeds over the time required for the propagation between two points.
JP15095576A 1976-12-17 1976-12-17 Distance measuring system Pending JPS5376057A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15095576A JPS5376057A (en) 1976-12-17 1976-12-17 Distance measuring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15095576A JPS5376057A (en) 1976-12-17 1976-12-17 Distance measuring system

Publications (1)

Publication Number Publication Date
JPS5376057A true JPS5376057A (en) 1978-07-06

Family

ID=15508073

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15095576A Pending JPS5376057A (en) 1976-12-17 1976-12-17 Distance measuring system

Country Status (1)

Country Link
JP (1) JPS5376057A (en)

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