Application of SN-EMD in Mode Feature Extraction of Ship Radiated Noise

Table 1

Performance statistics of mode composition algorithms.

	EMD	EEMD	CEEMD	CEEMDAN	Improved CEEMDAN	SN-EMD
CT/s	0.23	13.49	12.97	36.04	29.42	1.91
IO	0.19	0.11	0.10	0.41	0.31	0.056
SI	0.26	0.32	0.32	0.28	0.34	0.37