Mathematical Problems in Engineering / 2019 / Article / Fig 5

Research Article

A New Smoothed L0 Regularization Approach for Sparse Signal Recovery

Figure 5

Reconstruction time-frequency characteristics of different algorithms when noise intensity = 0.2. (a) time-frequency characteristics of the original signal; (b) BPDN; (c) SL0; (d) L2-SL0; (e) -RLS; (f) RRSL0.

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