Research Article

A Study on Instantaneous Time-Frequency Methods for Damage Detection of Nonlinear Moment-Resisting Frames

Figure 3

Components of ground motion acceleration and response acceleration of sensors 17 and 18.
523675.fig.003a
(a)
523675.fig.003b
(b)
523675.fig.003c
(c)
523675.fig.003d
(d)