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Further study of the Pencil-MUSIC algorithm

机译:Pencil-MUSIC算法的进一步研究

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For finding 2-D angles and polarizations of waves arriving at a rectangular array of crossed dipoles, the Pencil-MUSIC method can achieve the near optimum performance with much less computational burden than the MUSIC (multiple signal classification). Following an angle-only ESPRIT (estimation of signal parameters via rotational invariance techniques) method, an angle-only Pencil-MUSIC can be easily formulated which is far more accurate than the former especially in the coherent case. The angle-only Pencil-MUSIC is analyzed and compared with the original Pencil-MUSIC. The new version sacrifices the polarization estimation to achieve about 8 times more efficient computation The accuracy of the new version seems no more than 4 times worse in terms of estimation deviation.
机译:为了找到到达正交偶极矩形阵列的波的2D角和极化,Pencil-MUSIC方法可以以比MUSIC(多种信号分类)少得多的计算负担来获得接近最佳的性能。遵循仅角度的ESPRIT(通过旋转不变技术估计信号参数)方法,可以轻松地制定仅角度的Pencil-MUSIC,它比前者更加准确,特别是在相干情况下。分析了仅角度的Pencil-MUSIC,并将其与原始的Pencil-MUSIC进行了比较。新版本牺牲了极化估计以实现大约8倍的高效计算。就估计偏差而言,新版本的准确性似乎不超过4倍。

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