ZA801538B - Method and apparatus for estimating slant visibility in fog - Google Patents

Method and apparatus for estimating slant visibility in fog

Info

Publication number
ZA801538B
ZA801538B ZA00801538A ZA801538A ZA801538B ZA 801538 B ZA801538 B ZA 801538B ZA 00801538 A ZA00801538 A ZA 00801538A ZA 801538 A ZA801538 A ZA 801538A ZA 801538 B ZA801538 B ZA 801538B
Authority
ZA
South Africa
Prior art keywords
pct
fog
visibility
sec
estimating
Prior art date
Application number
ZA00801538A
Other languages
English (en)
Inventor
A Puffett
Original Assignee
United Kingdom Government
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 United Kingdom Government filed Critical United Kingdom Government
Publication of ZA801538B publication Critical patent/ZA801538B/xx

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
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Pathology (AREA)
  • Traffic Control Systems (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Eye Examination Apparatus (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Processing Of Solid Wastes (AREA)
ZA00801538A 1979-03-19 1980-03-17 Method and apparatus for estimating slant visibility in fog ZA801538B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7909508 1979-03-19

Publications (1)

Publication Number Publication Date
ZA801538B true ZA801538B (en) 1981-04-29

Family

ID=10503961

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00801538A ZA801538B (en) 1979-03-19 1980-03-17 Method and apparatus for estimating slant visibility in fog

Country Status (13)

Country Link
US (1) US4419731A (de)
EP (2) EP0017393B1 (de)
JP (1) JPS56500154A (de)
AT (1) ATE10681T1 (de)
CA (1) CA1147442A (de)
DE (1) DE3069732D1 (de)
DK (1) DK479180A (de)
ES (1) ES8101775A1 (de)
GB (1) GB2060168B (de)
IN (1) IN153825B (de)
NO (1) NO803482L (de)
WO (1) WO1980002073A1 (de)
ZA (1) ZA801538B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0091997A1 (de) * 1982-04-19 1983-10-26 Paul Rouet Verfahren und Vorrichtung zur Messung der Sichtverhältnisse im Nebel
US4520360A (en) * 1982-09-20 1985-05-28 General Signal Corporation Sensing vertical and horizontal visibility
JPH0789283B2 (ja) * 1984-11-02 1995-09-27 株式会社日立製作所 数式処理制御システム
US5142478A (en) * 1988-09-23 1992-08-25 Crook Mitchell M Computerized aircraft landing and takeoff system
DE4016973C1 (de) * 1990-02-24 1991-06-13 Eltro Gmbh, Gesellschaft Fuer Strahlungstechnik, 6900 Heidelberg, De
US5046259A (en) * 1990-05-14 1991-09-10 Harbor Branch Oceanographic Institution, Inc. Underwater measuring systems and methods
GB9012273D0 (en) * 1990-06-01 1990-07-18 Rediffusion Simulation Ltd Image generator
US5343395A (en) * 1992-08-26 1994-08-30 Watts Alan B Aircraft landing guidance system and method
DE4233379C1 (de) * 1992-10-05 1994-03-31 Leica Ag Heerbrugg Verfahren und Vorrichtung zur relativen Sichtweitenbestimmung
JP3564800B2 (ja) * 1994-08-30 2004-09-15 株式会社デンソー 距離測定装置
US5787385A (en) * 1996-02-28 1998-07-28 Sun Microsystems, Inc. Computer controlled laser fog tracking
US6085152A (en) * 1997-09-19 2000-07-04 Cambridge Management Advanced Systems Corporation Apparatus and method for monitoring and reporting weather conditions
US6119055A (en) * 1998-01-23 2000-09-12 Mcdonnell Douglas Corporation Real time imaging system and method for use in aiding a landing operation of an aircraft in obscured weather conditions
US7248950B2 (en) * 2003-08-12 2007-07-24 Kollsman, Inc. Fog tester apparatus
US7737965B2 (en) * 2005-06-09 2010-06-15 Honeywell International Inc. Handheld synthetic vision device
US7885733B1 (en) 2006-04-03 2011-02-08 Honeywell International Inc. Aviation navigational and flight management systems and methods utilizing radar vectoring
US8032267B1 (en) 2006-04-03 2011-10-04 Honeywell International Inc. Aviation navigational and flight management systems and methods with emergency landing guidance and radar vectoring
US8185301B1 (en) 2006-07-26 2012-05-22 Honeywell International Inc. Aircraft traffic awareness system and methods
US7869943B1 (en) 2007-12-21 2011-01-11 Honeywell International Inc. Flight management systems and methods for use with an aerial vehicle
GB2510617B (en) * 2013-02-10 2014-12-31 Lawrence Alan Hisscott Sensor System for Assessing Visual Range on a Runway
CN106706566B (zh) * 2017-03-16 2019-05-10 中国科学院合肥物质科学研究院 一种激光雷达探测大气垂直能见度的计算方法
GB2561258B (en) * 2017-04-03 2019-08-07 Dubai Electricity And Water Authority System and method for measuring atmospheric attenuation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1286455A (en) * 1968-09-13 1972-08-23 Thorn Elect Components Ltd Measurement of visual range in fog
US3702565A (en) * 1970-09-21 1972-11-14 Atomic Energy Commission Method for measuring the height of atmospheric aerosol air

Also Published As

Publication number Publication date
GB2060168B (en) 1983-11-23
DK479180A (da) 1980-11-11
IN153825B (de) 1984-08-18
EP0017393B1 (de) 1984-08-22
ATE10681T1 (de) 1984-12-15
GB2060168A (en) 1981-04-29
ES489676A0 (es) 1980-11-01
NO803482L (no) 1980-11-19
EP0017393A1 (de) 1980-10-15
JPS56500154A (de) 1981-02-12
ES8101775A1 (es) 1980-11-01
US4419731A (en) 1983-12-06
EP0026764A1 (de) 1981-04-15
WO1980002073A1 (en) 1980-10-02
EP0026764B1 (de) 1984-12-05
DE3069732D1 (en) 1985-01-17
CA1147442A (en) 1983-05-31

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