Mathematical Problems in Engineering / 2019 / Article / Tab 2

Research Article

A New Smoothed L0 Regularization Approach for Sparse Signal Recovery

Table 2

NMSE analysis for BPDN, SL0, L2-SL0, -RLS, and proposed RRSL0 with noise intensity changes according to sequence while 100 runs.

Noise intensity () NMSE of signal recovery
BPDN L0 L2-SL0 Lp-RLS RRSL0

02.553e-051.311e-074.563e-071.563e-072.338e-07
0.014.659e-043.054e-042.352e-047.930e-056.032e-05
0.051.607e-034.079e-039.012e-042.384e-041.150e-04
0.17.633e-038.424e-033.309e-037.793e-045.522e-04
0.21.381e-022.090e-026.091e-031.130e-038.892e-04
0.53.063e-026.908e-021.083e-025.743e-033.041e-03

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