Shock and Vibration

Research Article

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

Figure 6

MSD values for frequencies of all sensors. (a) HHT, (b) TEO, (c) HEO, and (d) DQ.
523675.fig.006a
(a)
523675.fig.006b
(b)
523675.fig.006c
(c)
523675.fig.006d
(d)