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Table 3 Computation time for five optimization algorithms in four typical real-valued signals

From: Fast basis search for adaptive Fourier decomposition

 

Heavisine

Doppler

Bump

Block

Mean

STD

 

signal

signal

signal

signal

  

Conventional method

5.496

5.451

5.647

5.501

5.524

0.085

NM method

1.286

1.172

1.316

1.331

1.276

0.072

UKF method

1.135

1.052

1.208

1.161

1.139

0.065

GA method

1.607

1.447

1.934

2.424

1.853

0.431

PSO method

5.094

8.047

5.031

4.953

5.781

1.512

  1. Fonts in italics denote that there are all significant differences between the UKF method and any one of other methods by paired t-tests (p<0.01)