子空间干扰中子空间信号检测的并集

M. Lodhi, W. Bajwa
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引用次数: 3

摘要

研究了在存在干扰子空间和方差未知的白噪声的情况下,子空间并集信号的检测理论。在UoS模型下,为信号检测和“主动”子空间检测提供了广义似然比检验。本文还导出了相关检测问题的性能界,并将其与并子空间和干涉子空间的几何关系联系起来。然后通过合成数据的数值实验证实了这些关系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Union of Subspaces Signal Detection In Subspace Interference
This paper investigates detection theory for signals belonging to a union of subspaces (UoS) in the presence of an interference subspace and white noise of unknown variance. Generalized likelihood ratio tests are provided for both signal detection and “active” subspace detection under the UoS model. The paper also derives performance bounds on the associated detection problems and relates them to the geometry of subspaces in the union and the interfering subspace. These relations are then corroborated through numerical experiments on synthetic data.
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