在高阶统计中有多少DOA信息?

IEEE Seventh SP Workshop on Statistical Signal and Array Processing Pub Date : 1994-06-26 DOI:10.1109/SSAP.1994.572478

J. Cardoso, É. Moulines

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引用次数: 6

摘要

我们考虑使用二阶和四阶累积量来估计窄带阵列处理中的到达方向(DOAs)。计算了多个累积统计中包含的关于doa的Fisher信息。然后用相关的Cram - er-Rao界的数值评价指出，在这个有限的研究中，使用高阶统计量的一些优点和缺点。

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How Much More DOA Information In Higher-order Statistics ?

We consider the use of 2nd-and 4th-order cumulants for estimating the direction-of-arrival (DOAs) in narrow band array processing. The Fisher information about the DOAs contained in several cumulant statistics is computed. Numerical evaluation of the related Cram er-Rao bound is then used to point out, in this limited study, some advantages and drawbacks of using higher-order statistics.

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IEEE Seventh SP Workshop on Statistical Signal and Array Processing

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