Operational Decision Aids For Exploiting Or Mitigating Electromagnetic Propagation Effects
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Total Pages | : 474 |
Release | : 1989 |
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Systems relying on electromagnetic, including electro-optic wave propagation in the earth's environment are subject to propagation anomalies. Proper assessment of such anomalies and subsequent exploitation or mitigation of their effects often require complex computations. The availability of small powerful computers has made near real-time calculation of propagation effects on systems performance possible and affordable. For example, the Integrated Refractive Effects Prediction System (IREPS) and the HF assessment system PROPHET have been used successfully throughout the military community for some ten years. During that time a number of operational decision aids (ODAs) were developed like optimum flight altitudes for attack, surveillance and ESM aircraft; intercept vulnerability; and ODAs for command and control. Since operational decision aids require appropriate propagation models and accurate environmental inputs, careful attention must be paid to propagation modelling, direct and remote sensing techniques and environmental forecasting techniques. NATO furnished. (rrh).
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Total Pages | : 502 |
Release | : 1989 |
Genre | : Aeronautics |
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Total Pages | : |
Release | : 1989 |
Genre | : Electromagnetic waves |
ISBN | : 9789283505242 |
Author | : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development |
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Total Pages | : |
Release | : 1989 |
Genre | : Aeronautics |
ISBN | : 9789283505099 |
Author | : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development |
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Total Pages | : |
Release | : 1988 |
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Total Pages | : 702 |
Release | : 1994 |
Genre | : Aeronautics |
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Author | : United States. National Telecommunications and Information Administration |
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Total Pages | : 24 |
Release | : 1989 |
Genre | : Telecommunication |
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Author | : John M. Goodman |
Publisher | : Springer |
Total Pages | : 395 |
Release | : 2006-06-02 |
Genre | : Science |
ISBN | : 0387236716 |
Space weather has an enormous influence on modern telecommunication systems even though we may not always appreciate it. We shall endeavor throughout this monograph to expose the relationships between space weather factors and the performance (or lack thereof) of telecommunication, navigation, and surveillance systems. Space weather is a rather new term, having found an oMicial expression as the result of several government initiatives that use the term in the title of programs. But it is the logical consequence of the realization that space also has weather, just as the lower atmosphere has weather. While the weather in space will influence space systems that operate in that special environment, it is also true that space weather will influence systems that we understand and use here on terra firma. This brings space weather home as it were. It is not some abstract topic of interest to scientists alone; it is a topic of concern to all of us. I hope to make this clear as the book unfolds. Why have I written this book? First of all, I love the topic. While at the Naval Research Laboratory (NRL), I had the opportunity to do research on many topics including: Thomson scatter radar and satellite beacon studies of the ionosphere, utilization of the NASA Gemini platform for ionospheric investigations, microwave radar propagation studies, I-IF signal intercept and direction-finding experiments, and multi-disciplinary studies of certain physical phenomena relevant to weapon systems development.
Author | : David S. MacDougal |
Publisher | : |
Total Pages | : 566 |
Release | : 1990 |
Genre | : Cloud physics |
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Author | : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development |
Publisher | : |
Total Pages | : 68 |
Release | : 1994 |
Genre | : Aeronautics |
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