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Table 1 Standard deviation of NMSE of channel impulse response estimations for three methods (, ).

From: Modified Particle Swarm Optimization for Blind Deconvolution and Identification of Multichannel FIR Filters

Algorithm

Steepest gradient

Standard PSO

Hybrid PSO

Mean (dB)

−16.8

−17.9

−18.7

Std (dB)

−3.43

−2.1

−0.56

Std/Mean

20.2%

11.9%

2.8%

Best (dB)

−19.41

−19.2

−19.33

Worst (dB)

−8.96

−12.1

−14.23

Number of complete failures

7

5

0