Health Monitoring of Bolt Looseness in Timber Structures Using PZT-Enabled Time-Reversal Method

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Frequency (kHz)</td><td class="align_center">Amplitude (V)</td><td class="align_center">Attenuation (dB)</td><td class="align_center">Bandwidth (Hz)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">80</td><td class="align_center">5</td><td class="align_center">0.8</td><td class="align_center">1.5</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The detailed information of the emitted signal.</div>

Journal of Sensors

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Table 2

Table 2: Health Monitoring of Bolt Looseness in Timber Structures Using PZT-Enabled Time-Reversal Method 