Analysis Of Visibility Observation Methods
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Analysis Of Visibility Observation Methods
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Author : Frederick C. Hochreiter
language : en
Publisher:
Release Date : 1969
Analysis Of Visibility Observation Methods written by Frederick C. Hochreiter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Measuring instruments categories.
This report concludes the first phase of the objective visibility observation task. It was primarily a literature search of state-of-the-art in visibility observations and measurements. This portion of the task was designed to provide background information on which to base future phases directed toward automated visibility observations.
Analysis Of Visibility Observation Methods
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Author : Frederick C. Hochreiter
language : en
Publisher:
Release Date : 1969
Analysis Of Visibility Observation Methods written by Frederick C. Hochreiter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Airplanes categories.
Technical Memorandum Wbtm T El 9
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Author : United States. Environmental Science Services Administration
language : en
Publisher:
Release Date : 1969
Technical Memorandum Wbtm T El 9 written by United States. Environmental Science Services Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with categories.
Visibility Over Land From Contrast Analysis Of Multi Spectral Satellite Observations
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Author : Dominick A. Vincent
language : en
Publisher:
Release Date : 2003-09
Visibility Over Land From Contrast Analysis Of Multi Spectral Satellite Observations written by Dominick A. Vincent and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-09 with categories.
The objective of this thesis is to investigate the viability of using contrast reduction in multi-spectral satellite observations to characterize surface visibility reduction due to heavy aerosol loading. Two methods are explored. First, the spectral distribution of standard deviation of surface reflectance over a homogeneous background (urban, agriculture, or forested) is plotted for three aerosol conditions (dust, smoke, and low aerosol loading). Second, the same cases are analyzed using a pixel-to-pixel differencing of surface reflectance. The spectral distributions of the means for the resulting difference fields are constructed. Each aerosol type was found to exhibit a relatively unique spectral distribution for both methods. Each background was found to exhibit a characteristic amount of contrast in the absence of heavy aerosol loading. The unique spectral characteristics for each aerosol- background combination may be correlated to aerosol optical depths or surface visibilities with corrections for sensor view angle variations, Rayleigh scattering, and masking of clouds and surface water. The spectral distribution- aerosol optical depth correlation can be used to build an empirical model for aerosol optical depth and surface visibility retrievals from satellite observations. This method may be applied to multi-spectral or panchromatic imagery, unlike current aerosol optical depth retrievals over land.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1987
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Aeronautics categories.
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Monthly Catalogue United States Public Documents
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Author :
language : en
Publisher:
Release Date : 1970
Monthly Catalogue United States Public Documents written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Government publications categories.
Fm Cw Radar Signals And Digital Processing
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Author : Donald E. Barrick
language : en
Publisher:
Release Date : 1973
Fm Cw Radar Signals And Digital Processing written by Donald E. Barrick and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Electronic data processing categories.
Air Pollution Abstracts
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Author :
language : en
Publisher:
Release Date : 1970
Air Pollution Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Air categories.
Availability And Credibility Of Martime Visibility Observations
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Author : Catharine F. Edgerton
language : en
Publisher:
Release Date : 1974
Availability And Credibility Of Martime Visibility Observations written by Catharine F. Edgerton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with categories.
The purpose of this study was to evaluate existing maritime meteorological data and research efforts on various aspects of interest for the general problem of determining the effect of the environment on the operation of naval electro-optical systems. The areas of interest included visibility at sea, the credibility of existing visibility data, methods for accurately determining visibility at sea, cloud free lines of sight (CFLOS), methods for extending visibilith measurements made in the visible to the infrared, precipitation data over oceans, lidar measurements of visibility, and the sources of maritime meteorological observations. The credibility of existing visibility measurements is important for the accurate determination of the probabilities that certain ranges of visibility will be encountered. (Modified author abstract).
Essa Science And Engineering
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Author : United States. Environmental Science Services Administration
language : en
Publisher:
Release Date : 1970
Essa Science And Engineering written by United States. Environmental Science Services Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Climatology categories.