Study on Intelligent Compaction-Equipment Logistics Scheduling and Propagation Characteristics of Vibration Wave in Nonlinear Systems with Multistability Based on Field Test

Figure 18

Hilbert–Huang spectrums at points (a) #1, (b) #3, (c) #5, (d) #7, (e) #9, and (f) #11.

(a)

(b)

(c)

(d)

(e)

(f)