Sound Source Omnidirectional Positioning Calibration Method Based on Microphone Observation Angle

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"><i>a</i> = 0.6 m</td><td class="align_center">Localization (meters)</td><td class="align_center">Horizontal declination (degrees)</td><td class="align_center">Elevation angle (degrees)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Actual calibration</td><td class="align_center">(0.160333,1.06489,−1.96708)</td><td class="align_center">81.4377</td><td class="align_center">−61.3012</td></tr><tr><td class="align_left">Theoretical calibration</td><td class="align_center">(0.185202,0.991324,−1.9629)</td><td class="align_center">79.4178</td><td class="align_center">−62.8074</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The actual calibration data on April 9th.</div>

Complexity

tab4

Table 4

Table 4: Sound Source Omnidirectional Positioning Calibration Method Based on Microphone Observation Angle 