Study on Attenuation Properties of Surface Wave of AE Simulation Source Based on OPCM Sensor Element

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/js/volume-2018/6926594/figures/6926594.fig.004a.svgz" name="6926594.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Attenuation characteristic testing experimental setup of the metal plate</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/js/volume-2018/6926594/figures/6926594.fig.004b.svgz" name="6926594.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Attenuation characteristic testing experimental setup of the concrete plate</td></tr></table>

<div>Two kinds of plate testing sample.</div>

Journal of Sensors

fig4

Figure 4

Figure 4: Study on Attenuation Properties of Surface Wave of AE Simulation Source Based on OPCM Sensor Element 