Underwater Acoustic Signal Prediction Based on MVMD and Optimized Kernel Extreme Learning Machine

Table 6

Underwater acoustic signal I Diebold–Mariano test.

Contrast model	SVM	RBF	KELM	ARIMA	PSO-KELM	OKELM	EMD-OKELM
DM statistics	7.5331	6.4660	7.8707	1.8723	8.3717	8.3753	7.0447
P value	0.0000	0.0000	0.0000	0.0306	0	0	0.0000

A confidence interval of 1%; a confidence interval of 5%.