Quantitative Identification of Pulse-Like Ground Motions Based on Hilbert–Huang Transform

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center"><i>E</i> (s)</td><td class="align_center">SD (s)</td><td class="align_center">Nu</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">HHT1</td><td class="align_center">3.2161</td><td class="align_center">1.9922</td><td class="align_center">229</td></tr><tr><td class="align_left">Wavelet1</td><td class="align_center">4.3769</td><td class="align_center">3.4418</td><td class="align_center">150</td></tr><tr><td class="align_left">HHT2</td><td class="align_center">3.3033</td><td class="align_center">2.0042</td><td class="align_center">105</td></tr><tr><td class="align_left">Wavelet2</td><td class="align_center">4.4026</td><td class="align_center">3.2447</td><td class="align_center">105</td></tr><tr><td class="align_left">HHT3</td><td class="align_center">3.1131</td><td class="align_center">1.9826</td><td class="align_center">124</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Statistical parameters of the pulse period.</div>

Shock and Vibration

tab7

Table 7

Table 7: Quantitative Identification of Pulse-Like Ground Motions Based on Hilbert–Huang Transform 