Intelligent Monitoring System Based on Noise-Assisted Multivariate Empirical Mode Decomposition Feature Extraction and Neural Networks

Table 1

Traditional feature set parameters.

Time-domain features		Frequency-domain features
Root mean square		Frequency barycenter
Peak		Root mean square frequency
Square mean root		Standard deviation frequency
Absolute mean		Frequency spectrum mean
Kurtosis		Frequency spectrum deviation
Crest factor		Frequency spectrum entropy