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
收藏
页码：116 / 119
页数：4
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