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International Journal of Rotating Machinery
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International Journal of Rotating Machinery
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2021
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Article
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Tab 1
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Research Article
Multisource Fault Signal Separation of Rotating Machinery Based on Wavelet Packet and Fast Independent Component Analysis
Table 1
Comparison of evaluation indexes of blind source separation at SNR 0 dB.
Algorithm
NMSE/dB
t/s
SOBI
0.531
–12.142
0.611
–11.311
0.051
FastICA
0.911
–21.132
0.835
–21.214
0.043
WPA-FastICA
0.998
–52.212
0.997
–52.318
0.053