Table 6.

Comparison of contribution errors of estimated source signals.

Mixed Signals	Methods	Contribution Errors (%)
		${\mathit{s}}_1(\mathit{t})$	${\mathit{s}}_2(\mathit{t})$	${\mathit{s}}_3(\mathit{t})$
$x_1\left(t\right)$	Zhen’s method	14.51	0.65	8.64
	Reju’s method	20.98	3.85	34.66
	The proposed method	4.21	0.28	2.63
$x_2\left(t\right)$	Zhen’s method	14.49	0.09	12.18
	Reju’s method	16.50	0.53	34.35
	The proposed method	6.44	0.13	3.66