Joint-Sparse Estimation Of Migration Targets With Velocity Ambiguity
2015 IEEE INTERNATIONAL RADAR CONFERENCE (RADARCON)(2015)
摘要
Range migration is the basic and troublesome problem in moving target detection for wideband radar. In this paper, we propose a joint-sparse estimation algorithm that gives a sparse representation of migration targets with velocity ambiguity. The proposed algorithm utilizes a non-ambiguous representation of the wideband signals to alleviate the velocity ambiguity, then the estimation of the targets scenario is achieved by joint-sparse recovery. Numerical results are presented to demonstrate the effectiveness of the proposed algorithm in case of a multi-target scenario.
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关键词
wideband radar,target detection,range migration,joint-sparse recovery
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