An Integrated Denoising Method for Sensor Mixed Noises Based on Wavelet Packet Transform and Energy-Correlation Analysis

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Objects</td><td align="center">Effective energy (10<sup>4</sup>)</td><td align="center">Noise energy (10<sup>4</sup>)</td><td align="center">Effective-noise correlation coefficient</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">Original signal</td><td align="center">2.826</td><td align="center">Unknown</td><td align="center">Unknown</td></tr><tr><td align="left">Wavelet packet denoising result</td><td align="center">2.8028</td><td align="center">0.0242</td><td align="center">0.0001</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

The denoising result analysis of shearer cutting current signal.

Journal of Sensors

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Table 3

Table 3: An Integrated Denoising Method for Sensor Mixed Noises Based on Wavelet Packet Transform and Energy-Correlation Analysis 