Abstract
This paper describes the processing of raw data, gathered with a synthetic aperture radar (SAR), by the parallel computer nCUBE 2 to form an electromagnetic image of the sensed scene. The initial goal of our work has been the evaluation of the use of a Distributed-Memory Multiple-Instruction stream Multiple-Data stream (DM-MIMD) parallel computer for SAR processing, with respect to the use of a conventional monoprocessor RISC workstation. To meet this goal, a study of some algorithms of the radix-2 n class for the one-dimensional (1D) and two-dimensional (2D) FFTs has been conducted. A good algorithm candidate to be parallelized and used as kernel component of our SAR processor has been selected.
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