JPH0531100B2 - - Google Patents

Info

Publication number
JPH0531100B2
JPH0531100B2 JP20976085A JP20976085A JPH0531100B2 JP H0531100 B2 JPH0531100 B2 JP H0531100B2 JP 20976085 A JP20976085 A JP 20976085A JP 20976085 A JP20976085 A JP 20976085A JP H0531100 B2 JPH0531100 B2 JP H0531100B2
Authority
JP
Japan
Prior art keywords
light
per unit
unit area
equation
light emitting
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 - Lifetime
Application number
JP20976085A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6269147A (ja
Inventor
Yoshisuke Nishinomya
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.)
NICHIBEI DENSHI KK
Original Assignee
NICHIBEI DENSHI 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 NICHIBEI DENSHI KK filed Critical NICHIBEI DENSHI KK
Priority to JP20976085A priority Critical patent/JPS6269147A/ja
Publication of JPS6269147A publication Critical patent/JPS6269147A/ja
Publication of JPH0531100B2 publication Critical patent/JPH0531100B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/538—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke for determining atmospheric attenuation and visibility

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Optical Distance (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP20976085A 1985-09-20 1985-09-20 視程計測方法 Granted JPS6269147A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20976085A JPS6269147A (ja) 1985-09-20 1985-09-20 視程計測方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20976085A JPS6269147A (ja) 1985-09-20 1985-09-20 視程計測方法

Publications (2)

Publication Number Publication Date
JPS6269147A JPS6269147A (ja) 1987-03-30
JPH0531100B2 true JPH0531100B2 (fr) 1993-05-11

Family

ID=16578173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20976085A Granted JPS6269147A (ja) 1985-09-20 1985-09-20 視程計測方法

Country Status (1)

Country Link
JP (1) JPS6269147A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0830681B2 (ja) * 1987-11-27 1996-03-27 三菱電機株式会社 煙霧透過率計測装置
JP3823965B2 (ja) * 2003-10-17 2006-09-20 三菱電機株式会社 レーザレーダ装置
ES2276263T3 (es) * 2004-05-10 2007-06-16 C.R.F. Societa Consortile Per Azioni Sistema y procedimiento de medicion de la visibilidad.
GB0604990D0 (en) * 2006-03-11 2006-04-19 Univ Durham Optical transmissometer and light source and light detector for such optical transmissometer
CN102539386A (zh) * 2012-01-09 2012-07-04 北京大学 一种基于白光的前向散射式能见度仪及其能见度测量方法

Also Published As

Publication number Publication date
JPS6269147A (ja) 1987-03-30

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