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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)