An Improved Time-Frequency Analysis Method for Instantaneous Frequency Estimation of Rolling Bearing

<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">IMF</td><td class="align_center">IMF1</td><td class="align_center">IMF2</td><td class="align_center">IMF3</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Kurtosis</td><td class="align_center">3.28</td><td class="align_center">4.87</td><td class="align_center">5.12</td></tr><tr><td class="align_left">MI</td><td class="align_center">0.723</td><td class="align_center">0.859</td><td class="align_center">0.967</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The kurtosis values and mutual information (MI) of IMFs for SFM signal.</div>

Shock and Vibration

tab2

Table 2

Table 2: An Improved Time-Frequency Analysis Method for Instantaneous Frequency Estimation of Rolling Bearing 