Performance analysis of a novel time-domain real-time SAR processor
We test the performance of a new phase-preserving time-domain signum coded SAR processor (SCSP) aimed at real time operations. Raw signal interferometric pairs relevant to the Shuttle Radar Topography X-band Mission are simulated. A full result comparison between SCSP and conventional interferometric products is presented by using simulated canonical and real scenarios. The simulated canonical scene consists of a pyramid and three corner reflectors. The simulated real scene refers to the Mt Etna area in Sicily, Italy. Raw data are simulated both for ascending and descending orbits. Results show that SCSP combined with an iterative phase unwrapping algorithm can generate digital elevation models with good accuracy in spite of the higher phase noise level.
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