JPS6359114B2 - - Google Patents

Info

Publication number
JPS6359114B2
JPS6359114B2 JP56139067A JP13906781A JPS6359114B2 JP S6359114 B2 JPS6359114 B2 JP S6359114B2 JP 56139067 A JP56139067 A JP 56139067A JP 13906781 A JP13906781 A JP 13906781A JP S6359114 B2 JPS6359114 B2 JP S6359114B2
Authority
JP
Japan
Prior art keywords
circuit
signal
standard deviation
average value
value
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
JP56139067A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5839971A (ja
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 filed Critical
Priority to JP13906781A priority Critical patent/JPS5839971A/ja
Publication of JPS5839971A publication Critical patent/JPS5839971A/ja
Publication of JPS6359114B2 publication Critical patent/JPS6359114B2/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
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems

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)
JP13906781A 1981-09-03 1981-09-03 超音波ドップラ速度検出方法 Granted JPS5839971A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13906781A JPS5839971A (ja) 1981-09-03 1981-09-03 超音波ドップラ速度検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13906781A JPS5839971A (ja) 1981-09-03 1981-09-03 超音波ドップラ速度検出方法

Publications (2)

Publication Number Publication Date
JPS5839971A JPS5839971A (ja) 1983-03-08
JPS6359114B2 true JPS6359114B2 (enrdf_load_stackoverflow) 1988-11-17

Family

ID=15236718

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13906781A Granted JPS5839971A (ja) 1981-09-03 1981-09-03 超音波ドップラ速度検出方法

Country Status (1)

Country Link
JP (1) JPS5839971A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728954A (en) * 1984-12-20 1988-03-01 Deere & Company Ground velocity sensor with drop-out detection
JP2600879B2 (ja) * 1988-12-27 1997-04-16 株式会社日本自動車部品総合研究所 トップラレーダ速度検出方法
JPH02109795U (enrdf_load_stackoverflow) * 1989-02-20 1990-09-03
JPH06230126A (ja) * 1993-01-29 1994-08-19 Aisin Seiki Co Ltd 車載用超音波計測装置
JP3237034B2 (ja) * 1993-05-25 2001-12-10 アイシン精機株式会社 車載用超音波計測装置
JP5275486B1 (ja) * 2012-02-16 2013-08-28 日本郵船株式会社 船速計および船速計測方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5028827A (enrdf_load_stackoverflow) * 1973-07-16 1975-03-24
JPS6041793B2 (ja) * 1978-04-19 1985-09-18 日本警備保障株式会社 超音波による警戒方式

Also Published As

Publication number Publication date
JPS5839971A (ja) 1983-03-08

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