In modern Monostatic SAR systems, the number ofrnPS that can be indentified is a small fraction of the total numberrnof pixels. A limiting factors is the dynamic range of thernacquisition and focusing system, much more stringent than therndynamic of the backscatter. The system proposed overcomes thernproblem by exploiting a constellation with one illuminator andrnone or more bistatic passive SARs. Both illuminator and passivernSAR’s generate interferometric series of the same scene, butrnfrom different perspectives. The complementary images arerncombined to give a denser PS set. The bistatic angle is designed tornreduce the dihedrals dynamic to avoid to mask other targets.
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