On uniqueness of sparse signal recovery.
Signal Processing(2018)
摘要
•The l0-norm-based condition is proposed for the uniqueness of sparse signal recovery.•The l1-norm-based condition is proposed for the uniqueness of sparse signal recovery.•The analysis of the l1-norm-based condition is given using the geometric explanation.•The minimal uniqueness conditions for l0 and l1-based frameworks are analyzed.•The simulation verifies the effectiveness of the proposed conditions.
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关键词
Sparse signal recovery,Uniqueness,Spark,Null space property,Restricted isometry property,Mutual coherence
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