Detection nonidentifiability for independent gaussian sources in nonuniform linear antenna arrays

被引：0

作者：

Abramovich, YI ^{[1
]}

Spencer, NK ^{[1
]}

机构：

[1] Def Sci & Technol Org, Surveillance Syst Div, Salisbury, SA 5108, Australia

来源：

ISSPA 2001: SIXTH INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND ITS APPLICATIONS, VOLS 1 AND 2, PROCEEDINGS | 2001年

关键词：

D O I：

暂无

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

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 other-wise of any given nonuniform linear antenna array.

引用

页码：116 / 119

页数：4

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