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This paper describes concept and development of some key components for a demonstrator of a multiple-beam antenna used for high-rate data relays. The demonstrator shall validate the whole antenna concept, showing among others antenna multibeam capability and advantages of the deployed digital beamforming.
An empirical algorithm XWAVE to derive significant wave height from high resolution TerraSAR-X (TS-X) and Tandem-X (TD-X) has been developed. The algorithm is created especially for spaceborne X-band SAR data without needing a priori information. TS-X scenes were acquired in the over buoys located at the coast of United States of America and Canada and… (More)