Abstract
Aiming at the problem of 3D target localization by time delay estimation,this paper proposes a new acoustic passive localization method,which can provide high precision localization estimation.The first step of the two-stage algorithm is to measure the azimuth angle and pitch angle at each single array,which can obtain high precision angle estimation but low precision range estimation.And in the second step,the location of acoustic source is calculated from the angles measured above and geometry position of the two arrays.Then the accuracy of localization estimation is discussed in theory,and the influence factors and localization error are analyzed by simulation.The simulation results validate the performance of the proposed algorithm,and show the precision of localization estimation with dual arrays is superior to single array.
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