Shock and Vibration / 2018 / Article / Fig 22

Research Article

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

Figure 22

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%.
(a)
(b)
(c)
(d)

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