Research Article

Analysis of Vibroacoustic Modulations for Crack Detection: A Time-Frequency Approach Based on Zhao-Atlas-Marks Distribution

Figure 2

The experimental data excerpt (8192 samples, sampling frequency 192 kHz) used in the ZAM analysis for the uncracked, 7%, 20%, and 45% of the crack depth cases ((a) to (d)).
102157.fig.002a
(a)
102157.fig.002b
(b)
102157.fig.002c
(c)
102157.fig.002d
(d)