JPS5240175A - Laser doppler current meter - Google Patents

Laser doppler current meter

Info

Publication number
JPS5240175A
JPS5240175A JP11583675A JP11583675A JPS5240175A JP S5240175 A JPS5240175 A JP S5240175A JP 11583675 A JP11583675 A JP 11583675A JP 11583675 A JP11583675 A JP 11583675A JP S5240175 A JPS5240175 A JP S5240175A
Authority
JP
Japan
Prior art keywords
current meter
laser doppler
doppler current
beams
accuracy
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
JP11583675A
Other languages
Japanese (ja)
Inventor
Takashi Tsuchiya
Yoshio Hatsuda
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP11583675A priority Critical patent/JPS5240175A/en
Publication of JPS5240175A publication Critical patent/JPS5240175A/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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50—Systems of measurement based on relative movement of target
    • G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

PURPOSE:To detect the crossing angle of the laser beams divided into two beams by fine turning of a reflection mirror thereby making possible the improvement in accuracy.
JP11583675A 1975-09-25 1975-09-25 Laser doppler current meter Pending JPS5240175A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11583675A JPS5240175A (en) 1975-09-25 1975-09-25 Laser doppler current meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11583675A JPS5240175A (en) 1975-09-25 1975-09-25 Laser doppler current meter

Publications (1)

Publication Number Publication Date
JPS5240175A true JPS5240175A (en) 1977-03-28

Family

ID=14672308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11583675A Pending JPS5240175A (en) 1975-09-25 1975-09-25 Laser doppler current meter

Country Status (1)

Country Link
JP (1) JPS5240175A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019146762A1 (en) * 2018-01-26 2019-08-01 京セラ株式会社 Fluid measurement device, fluid measurement method, and program
WO2021149097A1 (en) * 2020-01-20 2021-07-29 日本電信電話株式会社 Measuring device and measuring method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019146762A1 (en) * 2018-01-26 2019-08-01 京セラ株式会社 Fluid measurement device, fluid measurement method, and program
JPWO2019146762A1 (en) * 2018-01-26 2020-02-06 京セラ株式会社 Fluid measurement device, fluid measurement method, and program
JP2020187136A (en) * 2018-01-26 2020-11-19 京セラ株式会社 Liquid measuring device, liquid measuring method, and program
JP2021192053A (en) * 2018-01-26 2021-12-16 京セラ株式会社 Liquid measuring method
WO2021149097A1 (en) * 2020-01-20 2021-07-29 日本電信電話株式会社 Measuring device and measuring method
JPWO2021149097A1 (en) * 2020-01-20 2021-07-29

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