Research on Identification Technology of Explosive Vibration Based on EEMD Energy Entropy and Multiclassification SVM

Table 1

Comparison of energy entropy of typical vibration signals.

Signal type		Pipeline explosion vibration	Underground tunnel blast vibration	Demolition collapse vibration	Surface rock blast vibration
Energy entropy	Signal 1	2.1656	1.9290	1.5578	1.5580
	Signal 2	2.2454	2.3216	1.0854	1.9108
	Signal 3	2.0622	2.2722	1.6836	1.7539
	Signal 4	2.4368	2.3813	1.6146	2.0222
Expectation		2.2275	2.2260	1.4854	1.8112
Variance		0.1372	0.1758	0.2352	0.1745