Block sparse recovery provably recovers range-Doppler maps of extended targets in randomized stepped frequency radar whenever the number of targets is O(N/(M log MN)), a weaker condition than the prior non-block bound.
A novel method of translational motion com- pensation for hopped-frequency ISAR imaging,
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Theoretical Analysis for Extended Target Recovery in Randomized Stepped Frequency Radars
Block sparse recovery provably recovers range-Doppler maps of extended targets in randomized stepped frequency radar whenever the number of targets is O(N/(M log MN)), a weaker condition than the prior non-block bound.