Table 2 Matching pursuit time and RMSE of experimental results.

From: Novel sparse decomposition with adaptive evolutionary atoms for nonstationary signal extraction

Algorithm

Matching pursuit time (s)

Dictionary construction

time(s)

Root mean square error (V)

CPU occupancy rate

s1

s2

s3

s4

s5

s6

s1

s2

s3

s4

s5

s6

MP

2.25

1.81

2.19

1.47

1.20

1.24

4347.62

1.30

0.11

1.26

0.09

0.06

0.22

46%

OMP

2.13

0.63

2.12

0.51

0.63

0.57

4347.62

1.35

0.11

1.30

0.09

0.06

0.19

48%

SAMP

1.18

0.27

1.42

0.37

0.41

0.25

4347.62

0.78

0.01

0.66

0.12

1.13

0.24

55%

CoSaMP

0.27

0.26

0.21

0.37

0.07

0.23

4347.62

2.60

0.01

0.52

0.17

0.39

2.04

45%

AEA-SD

2.20

2.06

1.70

1.98

2.03

1.18

0

0.71

0.08

0.39

0.07

0.09

0.00

11%

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