JPH034867B2 - - Google Patents

Info

Publication number
JPH034867B2
JPH034867B2 JP14633281A JP14633281A JPH034867B2 JP H034867 B2 JPH034867 B2 JP H034867B2 JP 14633281 A JP14633281 A JP 14633281A JP 14633281 A JP14633281 A JP 14633281A JP H034867 B2 JPH034867 B2 JP H034867B2
Authority
JP
Japan
Prior art keywords
target
target object
distance
sound waves
wave
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
JP14633281A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5848878A (ja
Inventor
Tsuneji Koshikawa
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 JP14633281A priority Critical patent/JPS5848878A/ja
Publication of JPS5848878A publication Critical patent/JPS5848878A/ja
Publication of JPH034867B2 publication Critical patent/JPH034867B2/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
    • 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

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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP14633281A 1981-09-18 1981-09-18 アクテイブソ−ナ−目標識別方式 Granted JPS5848878A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14633281A JPS5848878A (ja) 1981-09-18 1981-09-18 アクテイブソ−ナ−目標識別方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14633281A JPS5848878A (ja) 1981-09-18 1981-09-18 アクテイブソ−ナ−目標識別方式

Publications (2)

Publication Number Publication Date
JPS5848878A JPS5848878A (ja) 1983-03-22
JPH034867B2 true JPH034867B2 (enrdf_load_html_response) 1991-01-24

Family

ID=15405286

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14633281A Granted JPS5848878A (ja) 1981-09-18 1981-09-18 アクテイブソ−ナ−目標識別方式

Country Status (1)

Country Link
JP (1) JPS5848878A (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS5848878A (ja) 1983-03-22

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