Short-Sampled Blind Source Separation of Rotating Machinery Signals Based on Spectrum Correction

Table 1

The recovery correlation coefficients and successful times of numerical experiment.

Sample length			400	200	100	70
ICA		Successful times	999	685	575	544
		Correlation coefficient	0.9724	0.9961	0.9727	0.9093
		Successful times	1000	456	645	620
		Correlation coefficient	0.9987	0.9386	0.9027	0.8334
Proposed		Successful times	1000	1000	1000	1000
		Correlation coefficient	1.0000	1.0000	1.0000	1.0000
		Successful times	1000	1000	1000	1000
		Correlation coefficient	1.0000	1.0000	1.0000	1.0000