SSMP can effectively overcome the over-matching phenomenon in the MP, improves the convergence rate, and has much less computation than the OMP.
而子空间匹配追踪算法可以克服匹配追踪算法中的过匹配现象，加速了算法收敛速度，同时计算量比正交匹配追踪小得多。
SSMP can effectively overcome the over-matching phenomenon in the MP, improves the convergence rate, and has much less computation than the OMP.
而子空间匹配追踪算法可以克服匹配追踪算法中的过匹配现象，加速了算法收敛速度，同时计算量比正交匹配追踪小得多。
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