Sound Source Omnidirectional Positioning Calibration Method Based on Microphone Observation Angle

<table class="table-group" id="tab5"><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> = 0.8 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">(−0.245108,−0.383802,1.60774)</td><td class="align_center">237.4360</td><td class="align_center">74.1852</td></tr><tr><td class="align_left">Theoretical calibration</td><td class="align_center">(−0.226879,−0.432551,1.64258)</td><td class="align_center">242.3220</td><td class="align_center">73.4395</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 12th.</div>

Complexity

tab5

Table 5

Table 5: Sound Source Omnidirectional Positioning Calibration Method Based on Microphone Observation Angle 