Time-Frequency Analysis and Application of a Vibration Signal of Tunnel Excavation Blasting Based on CEEMD-MPE-HT

<div>Waveform of the simulation signal. (a) Gaussian white noise with power of 0.2. (b) Sinusoidal steady-state signal with frequency 120 Hz. (c) The simulation signal.</div>

Shock and Vibration

fig2

Figure 2

Figure 2: Time-Frequency Analysis and Application of a Vibration Signal of Tunnel Excavation Blasting Based on CEEMD-MPE-HT 