A Novel Multiscale Deep Health Indicator with Bidirectional LSTM Network for Bearing Performance Degradation Trend Prognosis

Table 2

Table of trend values for different characteristic parameters decomposed by different wavelet functions.

	Haar	Coif4	Dmey	dbN	symN
AMV	0.6486	0.6916	0.6438	0.6538	0.6400
Variance	0.4425	0.4781	0.4301	0.4276	0.4287
RMS	0.6464	0.6903	0.6412	0.6504	0.6366
Peak value	0.5451	0.5844	0.5405	0.5434	0.5380
ES	0.4425	0.4781	0.4301	0.4276	0.4287
Average	0.5450	0.5845	0.5371	0.5406	0.5344