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Table 4 Time cost of different methods

From: Decoupled 2D direction-of-arrival estimation based on sparse signal reconstruction

Time (s)

K αβ

 

46

91

181

361

2D-MUSIC

0.3315

1.2961

5.1043

20.2029

l 1-SVD

2.7922

12.9736

59.9812

397.105

2D- l 1-SVD

0.4381

0.4929

0.5964

0.8356

Enhanced-2D- l 1-SVD

1.0704

1.4574

1.6928

2.5747