磁性方位角轴承是近似。
精确解与近似解的差异不仅表现在A4值的大小及符号(正负),而且表现在A4随方位的变化特征。
The exact and approximate solutions are different in the magnitude and signs (positive and negative) of A4 as well as the variations with azimuths.
通过对近场空间协方差矩阵进行修正,用重构在相同方位上的远场近似空间协方差矩阵确定声源方位角。
By using the reconstructed far-field approximation space covariance matrix at the same bearings from the revised near-field space covariance matrix, the bearings of multiple sources can be obtained.
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