Potentials and limitations of MEO SAR
Jalal Matar (Deutsches Zentrum für Luft- und Raumfahrt (DLR))
J.F. Lopez Dekker (Deutsches Zentrum für Luft- und Raumfahrt (DLR))
Gerhard Krieger (Deutsches Zentrum für Luft- und Raumfahrt (DLR))
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Abstract
This paper discusses various aspects of Synthetic Aperture Radar (SAR) missions in Medium Earth Orbits (MEO). It covers the design of suitable orbits and their corresponding coverage, with emphasis on repeat ones. Furthermore, it analyses the changes in SAR performance as altitude increases, while addressing the potentials and limitations of high orbits. Throughout the paper one interesting orbit, repeating its ground track every 3 days and providing near-global coverage, is studied.
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