Damage Identification in Structures Based on Energy Curvature Difference of Wavelet Packet Transform

<div>ECD index curve for damage severity identification in cases S1 to S4 in Example <a href="https://static.hindawi.com/articles/sv/volume-2018/4830391/figures/#ex2">2</a>.</div>

Shock and Vibration

fig19

Figure 19

Figure 19: Damage Identification in Structures Based on Energy Curvature Difference of Wavelet Packet Transform 