College English Teaching Quality Monitoring and Intelligent Analysis Based on Internet of Things Technology

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Spreading factor</td><td class="align_center">Spreading factor (chips/symbol)</td><td class="align_center">The signal-to-noise ratio SNR of the signal.</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">7</td><td class="align_center">128</td><td class="align_center">-7.5 dB</td></tr><tr><td class="align_left">8</td><td class="align_center">256</td><td class="align_center">-10 dB</td></tr><tr><td class="align_left">9</td><td class="align_center">512</td><td class="align_center">-12.5 dB</td></tr><tr><td class="align_left">10</td><td class="align_center">1024</td><td class="align_center">-15 dB</td></tr><tr><td class="align_left">11</td><td class="align_center">2084</td><td class="align_center">-17.5 dB</td></tr><tr><td class="align_left">12</td><td class="align_center">4096</td><td class="align_center">-20 dB</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Value range of spreading factor.</div>

Wireless Communications and Mobile Computing

tab6

Table 6

Table 6: College English Teaching Quality Monitoring and Intelligent Analysis Based on Internet of Things Technology 