Seismic Damage Detection of Moment Resisting Frame Structures Using Time-Frequency Features

<div>Time histories, TFFs, and the FFT spectra of interstory displacements at Story 1 under different noise levels (Case 5). (a) Noise level of 5%, (b) noise level of 10%, (c) noise level of 15%, and (d) noise level of 20%.</div>

Shock and Vibration

fig22

Figure 22

Figure 22: Seismic Damage Detection of Moment Resisting Frame Structures Using Time-Frequency Features 