Sound Source Omnidirectional Positioning Calibration Method Based on Microphone Observation Angle

<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 class="align_left"><i>a</i> = 0.4 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">(−2.03958,−0.639739,0.544045)</td><td class="align_center">197.4150</td><td class="align_center">14.2796</td></tr><tr><td class="align_left">Theoretical calibration</td><td class="align_center">(−2.09443,−0.709757,0.613837)</td><td class="align_center">198.7200</td><td class="align_center">15.5133</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 2nd.</div>

Complexity

tab3

Table 3

Table 3: Sound Source Omnidirectional Positioning Calibration Method Based on Microphone Observation Angle 