Noninvasive Load Identification Method Based on Feature Similarity

Table 8

Variance of harmonic content rate under each operating state.

Variance	Closed	Gear 1	Gear 2	Gear 3	Gear 4	Gear 5
X1	0.047832	0.02007	7.51E-06
X2	0.047832	0.080229	0.046945	0.037575