Research Article

Separation Method of Impulsive Fault Component for Gasoline Engine Based on Acoustic Signal Analysis

Figure 17

Superimposed sections. DI14 = (I1 + I3 + I5 + I7 + I9) ÷ 5. DI24 = (I2 + I4 + I6 + I8 + I10) ÷ 5.
(a)
(b)