DE68902877D1 - Verfahren und vorrichtung zur messung der sichtweite durch ein medium veraenderlicher dichte. - Google Patents

Verfahren und vorrichtung zur messung der sichtweite durch ein medium veraenderlicher dichte.

Info

Publication number
DE68902877D1
DE68902877D1 DE8989401624T DE68902877T DE68902877D1 DE 68902877 D1 DE68902877 D1 DE 68902877D1 DE 8989401624 T DE8989401624 T DE 8989401624T DE 68902877 T DE68902877 T DE 68902877T DE 68902877 D1 DE68902877 D1 DE 68902877D1
Authority
DE
Germany
Prior art keywords
fog
visibility
measuring
curves
variable density
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
DE8989401624T
Other languages
English (en)
Other versions
DE68902877T2 (de
Inventor
Yves Balois
Jean Luc Deuze
Louis Gonzales
Maurice Herman
Pierre Lecomte
Jean Claude Vanhoutte
Christian Verwaerde
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.)
Universite de Lille 1 Sciences et Technologies
Original Assignee
Universite de Lille 1 Sciences et Technologies
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 Universite de Lille 1 Sciences et Technologies filed Critical Universite de Lille 1 Sciences et Technologies
Application granted granted Critical
Publication of DE68902877D1 publication Critical patent/DE68902877D1/de
Publication of DE68902877T2 publication Critical patent/DE68902877T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G01N2021/4704—Angular selective
    • G01N2021/4709—Backscatter

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
DE8989401624T 1988-06-14 1989-06-12 Verfahren und vorrichtung zur messung der sichtweite durch ein medium veraenderlicher dichte. Expired - Fee Related DE68902877T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8808257A FR2632724B1 (fr) 1988-06-14 1988-06-14 Procede et dispositif de mesure de la visibilite a travers un milieu d'opacite variable

Publications (2)

Publication Number Publication Date
DE68902877D1 true DE68902877D1 (de) 1992-10-22
DE68902877T2 DE68902877T2 (de) 1993-04-22

Family

ID=9367488

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989401624T Expired - Fee Related DE68902877T2 (de) 1988-06-14 1989-06-12 Verfahren und vorrichtung zur messung der sichtweite durch ein medium veraenderlicher dichte.

Country Status (4)

Country Link
EP (1) EP0347298B1 (de)
AT (1) ATE80730T1 (de)
DE (1) DE68902877T2 (de)
FR (1) FR2632724B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19629713A1 (de) * 1996-07-25 1998-01-29 Bosch Gmbh Robert Verfahren und Vorrichtung zur Sichtweitenmessung
CN102175613B (zh) * 2011-01-26 2012-11-14 南京大学 基于图像亮度特征的ptz视频能见度检测方法
CN102818771B (zh) * 2011-11-30 2016-02-24 凯迈（洛阳）环测有限公司 一种采用吸收型滤光片的能见度标准器
CN103323424A (zh) * 2013-05-20 2013-09-25 高云 双通道前向散射能见度检测装置及检测方法
CN105372209A (zh) * 2015-11-30 2016-03-02 南京信息工程大学 一种道路能见度检测预警系统
DE102016116346A1 (de) 2016-09-01 2018-03-01 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Verfahren zur quantitativen Bestimmung von einer zeitlichen und räumlichen Verteilung von Lichtstrahlen in einem streuenden Medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1524104A (fr) * 1967-01-17 1968-05-10 Aga Ab Dispositif pour la mesure des hydrométéores
SE369964B (de) * 1973-01-18 1974-09-23 Satt Elektronik Ab
FR2440550A1 (fr) * 1978-10-30 1980-05-30 Snecma Dispositif de mesure de visibilite

Also Published As

Publication number Publication date
DE68902877T2 (de) 1993-04-22
EP0347298A3 (en) 1990-08-29
FR2632724A1 (fr) 1989-12-15
ATE80730T1 (de) 1992-10-15
EP0347298A2 (de) 1989-12-20
FR2632724B1 (fr) 1990-09-14
EP0347298B1 (de) 1992-09-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee