An Automated Low Cloud Prediction System
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An Automated Low Cloud Prediction System
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Author : Edward B. Geisler
language : en
Publisher:
Release Date : 1981
An Automated Low Cloud Prediction System written by Edward B. Geisler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Automatic meteorological stations categories.
At the Air Force Geophysics Laboratory (AFGL) Weather Test Facility (WTF) at Otis AFB, MA, a network of cloud base height, visibility, and wind measuring instruments were used to explore techniques for the short range prediction of low cloud ceiling. AFGL developed this system in response to the USAF Air Weather Service's requirements to modernize its basic weather support capabilities. This system allowed AFGL to evaluate the ability of statistical forecasting techniques to provide decision assistance significantly improved over the decision assistance currently provided by climatology and persistence. The approach relies upon the use of a hierarchical clustering algorithm to transform the raw cloud base height data into an automated low cloud observation. Four prediction techniques (Regression Estimation of Event Probabilities, Equivalent Markov, climatology, and persistence) yielding probability estimates of low cloud ceiling were evaluated and comparisons made to determine their respective accuracy and reliability. In addition, thresholding techniques were used to convert probability forecasts (unit bias, maximum probability, iterative, and persistence). Analysis of the data collected at the AFGL WTF demonstrates the accuracy and reliability of the automated low cloud prediction system. Regression estimation of event probabilities provided accurate, reliable, high resolution probability forecasts with results superior to climatology, persistence, and Equivalent Markov.
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.
Meteorological And Geoastrophysical Abstracts
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Author :
language : en
Publisher:
Release Date : 1997
Meteorological And Geoastrophysical 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 1997 with Cosmic physics categories.
The Federal Plan For Meteorological Services And Supporting Research
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Author :
language : en
Publisher:
Release Date : 1980
The Federal Plan For Meteorological Services And Supporting Research written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Meteorology categories.
The Federal Plan For Meteorological Services And Supporting Research
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Author : United States. Office of Federal Coordinator for Meteorological Services and Supporting Research
language : en
Publisher:
Release Date : 1977
The Federal Plan For Meteorological Services And Supporting Research written by United States. Office of Federal Coordinator for Meteorological Services and Supporting Research and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Meteorology categories.
Geographical Abstracts
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Author :
language : en
Publisher:
Release Date : 1987
Geographical 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 1987 with Geography categories.
Nowcasting
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Author :
language : en
Publisher:
Release Date : 1981
Nowcasting written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Hydrodynamic short range weather forecasting categories.
Automated Low Cost Weather Observation System Alwos
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Author :
language : en
Publisher:
Release Date : 1982
Automated Low Cost Weather Observation System Alwos written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with categories.
One of the primary objectives of this program was to design a developmental model ALWOS for the lowest possible cost. Reliability and maintenance costs over the life of the system were considered in addition to the initial purchase and installation costs. To this end, field proven, off the shelf components were used wherever possible throughout the system. Another primary objective was modularity of design. The hardware and software were constructed to allow flexibility in interfacing a variety of sensors or adding additional sensors to measure new parameters. The ALWOS as configured at Dulles Airport is a low-cost and flexible system which can provide an automatic weather observation from the data acquisition, processing and display point of view, with the potential for good long-term system reliability. After a period of familiarization with the equipment and dealing with an assortment of system and sensor problems, the functioning of the system became relatively trouble-free. Evaluation of the ALWOS supports the generally accepted concept that automated, low-cost weather observation systems can indeed perform such a function given suitable sensing devices. (Author).
Soft Computing Based Nonlinear Control Systems Design
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Author : Singh, Uday Pratap
language : en
Publisher: IGI Global
Release Date : 2018-02-09
Soft Computing Based Nonlinear Control Systems Design written by Singh, Uday Pratap and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-09 with Computers categories.
A critical part of ensuring that systems are advancing alongside technology without complications is problem solving. Practical applications of problem-solving theories can model conflict and cooperation and aid in creating solutions to real-world problems. Soft-Computing-Based Nonlinear Control Systems Design is a critical scholarly publication that examines the practical applications of control theory and its applications in problem solving to fields including economics, environmental management, and financial modelling. Featuring a wide range of topics, such as fuzzy logic, nature-inspired algorithms, and cloud computing, this book is geared toward academicians, researchers, and students seeking relevant research on control theory and its practical applications.
Geographical Abstracts Index
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Author :
language : en
Publisher:
Release Date : 1985
Geographical Abstracts 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 1985 with categories.