Feature Extraction of Double Pulse Metal Inert Gas Welding Based on Broadband Mode Decomposition and Locality Preserving Projection

Table 2

Evaluation parameters of y(n) of the generated components.

Method	SNR	r1	E1	T(s)
VMD	−10	0.7733	0.4238	4.1871
	−5	0.8432	0.3576	3.2324
	0	0.8897	0.2626	5.7304
EEMD	−10	0.6174	1.4908	7.4127
	−5	0.7033	0.8417	6.9264
	0	0.8203	0.5729	7.9327
BMD	−10	0.9041	0.1292	40.5328
	−5	0.9377	0.0604	35.9863
	0	0.9721	0.0114	38.4571