Enabling Noninvasive Physical Assault Monitoring in Smart School with Commercial Wi-Fi Devices

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2019/8186573/figures/8186573.fig.002a.svgz" name="8186573.fig.002a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Static</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2019/8186573/figures/8186573.fig.002b.svgz" name="8186573.fig.002b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Dynamic</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2019/8186573/figures/8186573.fig.002c.svgz" name="8186573.fig.002c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Static</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2019/8186573/figures/8186573.fig.002d.svgz" name="8186573.fig.002d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Dynamic</td></tr></table>

<div>The amplitudes and cross correlations in two states.</div>

Wireless Communications and Mobile Computing

fig2

Figure 2

Figure 2: Enabling Noninvasive Physical Assault Monitoring in Smart School with Commercial Wi-Fi Devices 