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

Table 2

The recovery correlation coefficients and successful times of numerical experiment.

Sample length			400	200	100	70
ICA		Successful times	908	922	912	874
		Correlation coefficient	0.9734	0.9390	0.9778	0.9724
		Successful times	912	902	900	734
		Correlation coefficient	0.9270	0.9140	0.9193	0.9316
Proposed		Successful times	1000	1000	1000	1000
		Correlation coefficient	0.9995	0.9973	0.9992	0.9870
		Successful times	1000	1000	1000	1000
		Correlation coefficient	0.9908	0.9803	0.9727	0.9881