snr(dB)

IPNN $l_1-\alpha l_2$

IPNN

IR $l_1-l_2/l_2$

DCA- $l_{1-2}$

ADMM-lasso

40

43.6460

42.3778

28.9745

29.2398

27.6103

30

32.8364

31.8225

18.8502

19.5802

18.3454

20

22.1155

21.9312

14.0764

11.0752

9.8646

10

13.2514

13.1233

5.2451

3.6700

3.1970