Research and Software Design of an Φ-OTDR-Based Optical Fiber Vibration Recognition Algorithm

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Index parameters</td><td class="align_center">GA/T 1217-2015</td><td class="align_center">System indicators</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Detection distance/positioning accuracy</td><td class="align_center">&gt;5 km and ≤20 km/≤25 m</td><td class="align_center">10 km/8 m</td></tr><tr><td class="align_left">Intrusion response time</td><td class="align_center">≤3 s</td><td class="align_center">≤2 s</td></tr><tr><td class="align_left">Scanning frequency</td><td class="align_center">—</td><td class="align_center">10 kHz</td></tr><tr><td class="align_left">Recognition accuracy</td><td class="align_center">—</td><td class="align_center">&gt;95%</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Technical specifications of the distributed fiber perimeter security system based on Φ-OTDR.</div>

Journal of Electrical and Computer Engineering

tab1

Table 1

Table 1: Research and Software Design of an Φ-OTDR-Based Optical Fiber Vibration Recognition Algorithm 