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In this paper, a technique that is able to reconstruct highly sloped and discontinuous terrain height profiles, starting from multifrequency wrapped phase acquired by interferometric synthetic aperture radar (SAR) systems, is presented. We propose an innovative unwrapping method, based on a maximum likelihood estimation technique, which uses multifrequency(More)
A single-channel Synthetic Aperture Radar (SAR) sensor produces a high resolution two-dimensional (2-D) image of the observed scene [1], representing a projection of the 3-D scene scattering properties onto the 2-D azimuth-range plane, while it's not able to obtain the reconstruction of the scene backscattering properties along the elevation direction,(More)
Some multichannel synthetic aperture radar interferometric configurations are analyzed. Both across-track and along-track in-terferometric systems, allowing to recover the height profile of the ground or the moving target radial velocities, respectively, are considered. The joint use of multichannel configurations, which can be either multifrequency or(More)