Investigation of Relation between Fracture Scale and Acoustic Emission Time-Frequency Parameters in Rocks

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/sv/volume-2018/3057628/figures/3057628.fig.003a.svgz" name="3057628.fig.003a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The original AE signal</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/sv/volume-2018/3057628/figures/3057628.fig.003b.svgz" name="3057628.fig.003b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Spectrum map</td></tr></table>

<div>The extraction process of AE dominant-frequency.</div>

Shock and Vibration

fig3

Figure 3

Figure 3: Investigation of Relation between Fracture Scale and Acoustic Emission Time-Frequency Parameters in Rocks 