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- W2154590921 abstract "Multiple SAR signals acquired along different orbits can be exploited for reconstructing a three dimensional (3-D) reflectivity profile of the scene along azimuth, range and elevation co-ordinates. For the 3-D image formation, the problem of the non-uniform spacing of the orbits has to be considered. In this paper we propose a technique based on two steps: 1) a preprocessing step, in which the samples of the multi-pass signal is computed on a grid which is uniform in the elevation direction, starting from its unevenly spaced samples; 2) a 3-D image focusing based on a simple 3-D convolution operator. The technique proposed has the main advantages of preserving numerical efficiency and allowing to easily include information on the signals bandwidth in the pre-processing step, in such a way to regularize the problem and obtain stable solutions." @default.
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- W2154590921 date "2007-01-01" @default.
- W2154590921 modified "2023-09-25" @default.
- W2154590921 title "Three dimensional SAR image focusing from non-uniform samples" @default.
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- W2154590921 doi "https://doi.org/10.1109/igarss.2007.4422847" @default.
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