非均匀线性天线阵列中独立高斯源的检测不可识别性

Y. Abramovich, N. Spencer
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引用次数: 1

摘要

推导了检测方面的不可识别性,并发现其条件是特定数量的独立高斯源加噪声的混合物的协方差矩阵与不同数量的此类源的另一混合物的协方差矩阵相同。这个条件是用与天线几何共阵有关的矩阵的秩亏来表示的。我们提出并讨论了一种确定任何给定的非均匀线性天线阵列的检测可识别性或其他方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Detection nonidentifiability for independent Gaussian sources in nonuniform linear antenna arrays
Nonidentifiability with respect to detection is derived, and is found to be the condition that the covariance matrix of a mixture of a particular number of independent Gaussian sources plus noise is identical to that of another mixture of a different number of such sources. This condition is formulated in terms of the rank-deficiency of some matrix that is related to the antenna geometry's co-array. We propose and discuss a method to determine the detection identifiability or otherwise of any given nonuniform linear antenna array.
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