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Venus should be the most Earth-like of all our planetary neighbours: its size, bulk composition and distance from the Sun are very similar to those of Earth. How and why did it all go wrong for Venus? What lessons can be learned about the life story of terrestrial planets in general, in this era of discovery of Earth-like exoplanets? Were the radically different evolutionary paths of Earth and Venus...
New Synthetic Aperture Radar (SAR) missions in S-band are currently under design but the potential performance of this microwave frequency is still under discussion. This paper presents the outcomes of a study on canopy classification carried out with fully polarimetric S- and X-band datasets contemporaneously acquired by the Astrium airborne SAR demonstrator. Classical polarimetric decompositions...
The use of some working frequencies is still novel in Synthetic Aperture Radar (SAR) especially when associated to a full exploitation of polarimetric channels. In this paper the potential value of a spaceborne multi-pol SAR system in S-band (3.2 GHz) is presented following the first acquisitions of the Astrium UK airborne SAR demonstrator and relevant analysis based on Pauli and eigenvalue-eigenvector...
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