Optimization of Fixed Microphone Array in High Speed Train Noises Identification Based on Far-Field Acoustic Holography

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left" rowspan="3">(a)</td><td class="align_center" colspan="2">⁢Equal distance of 29 microphones</td></tr><tr><td class="align_center">SLR</td><td class="align_center">MLA</td></tr><tr><td class="align_center">0.6535</td><td class="align_center">0.0035</td></tr><tr><td class="align_center" colspan="3"><hr/></td></tr><tr><td class="align_left" rowspan="3">(b)</td><td class="align_center" colspan="2">⁢Optimization of 17 microphones</td></tr><tr><td class="align_center">SLR</td><td class="align_center">MLA</td></tr><tr><td class="align_center">0.6442</td><td class="align_center">0.0033</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Acoustics and Vibration

tab4

Table 4

Table 4: Optimization of Fixed Microphone Array in High Speed Train Noises Identification Based on Far-Field Acoustic Holography 