The automatic processing of radar images (pattern recognition, segmentation, data fusion) is restricted by the presence of geometric distortions and radiometric variability induced by unrectified relief and erroneous parameters. This is especially true in the case of a flash radar where the reflectivity map is built by merging strip images, each one with its proper geometric errors. The conception of a fast radar simulator using the flash radar geometric relationship would allow to study the geometric errors and to define the best viewing parameters.
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