A Critical Assessment Of Selected Past Research On Optical Turbulence Information In Diverse Microclimates
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A Critical Assessment Of Selected Past Research On Optical Turbulence Information In Diverse Microclimates
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Author :
language : en
Publisher:
Release Date : 2002
A Critical Assessment Of Selected Past Research On Optical Turbulence Information In Diverse Microclimates written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
Due to the increased use of laser and ground-to-satellite communications the need for reliable optical turbulence information is growing. Optical turbulence information is important because it describes an atmospheric effect that can degrade the performance of electromagnetic systems and sensors, e.g., free-space optical communications and infrared imaging. However, critical analysis of selected past research indicates that there are some areas (i.e., data and models) in which optical turbulence information is lacking. For example, line-of-sight, optical turbulence data coupled with atmospheric models in hilly terrain, coastal areas, and within built-up urban areas are few in number or non-existent. In addition, the bulk of existing atmospheric computer models that are being used to provide estimates of optical turbulence are basically one-dimensional in nature and assume uniform turbulence conditions over large areas. Therefore, current optical turbulence theory and models may be critically deficient and in error for inhomogeneous turbulence conditions, such as those that occur in urban environments or environments with changing topography and energy budgets. This paper summarizes selected past research on optical turbulence and the refractive index structure parameter (C2n) in diverse microclimates in an effort to identify deficiencies in the optical turbulence information database and to recommend improvements. The database presented here contains optical turbulence (C2n) information at different wavelengths and for different microclinate environments, e.g., in rural, hilly, desert, mountain-valley, urban, coastal, ocean, and arctic. The database includes several examples of measured and modeled values of C2n in the atmospheric surface and boundary layers.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1994
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 1994 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.
Soviet Science And Technology 1987
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Author :
language : en
Publisher:
Release Date : 1988
Soviet Science And Technology 1987 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Aeronautics categories.
Energy Abstracts For Policy Analysis
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Author :
language : en
Publisher:
Release Date : 1986
Energy Abstracts For Policy Analysis written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Power resources categories.
Soviet Science And Technology
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Author :
language : en
Publisher:
Release Date : 1987
Soviet Science And Technology 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 Science categories.
International Conference On Advanced Technology Optical Telescopes
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Author :
language : en
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Release Date : 1983
International Conference On Advanced Technology Optical Telescopes written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Telescopes categories.
Selected Water Resources Abstracts
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Author :
language : en
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Release Date : 1972
Selected Water Resources 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 1972 with Hydrology categories.
Monthly Catalog Of United States Government Publications Cumulative Index
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Author : United States. Superintendent of Documents
language : en
Publisher:
Release Date : 1976
Monthly Catalog Of United States Government Publications Cumulative Index written by United States. Superintendent of Documents and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with United States categories.
Dissertation Abstracts International
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language : en
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Release Date : 1997
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Dissertations, Academic categories.
Government Reports Annual Index
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Author :
language : en
Publisher:
Release Date : 1993
Government Reports Annual Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Government reports announcements & index categories.