A Fuzzy-Based Analytic Hierarchy Process for Mechanical Noise Source Identification of a Diesel Engine

Figure 10

Contributions of the noise source to the noise in different frequency bands at (a) 700 r/min, (b) 1400 r/min, (c) 1800 r/min, and (d) 2200 r/min.

(a)

(b)

(c)

(d)