Detection and recovery of a narrow-band signal in severely nonstationary noise

J. Jonsson, A. Steinhardt
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Abstract

The authors view the interference as a stochastic process n(m,t) in two variables. They assume a uniform linear array that the carrier frequency is known and that the direction of arrival of the desired signal does not change. The approach is an application/extension of the multi-window method for spectrum estimation and harmonic analysis introduced by Thomson (Proc. IEEE vol.70, no.9, p.1055-96, Sept.1982). How the signal is estimated if present, and how to estimate the DOA, are discussed briefly.<>
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在严重非平稳噪声条件下窄带信号的检测与恢复
作者将干扰视为两个变量中的随机过程n(m,t)。他们假设一个均匀的线性阵列,载波频率已知,期望信号到达的方向不变。该方法是汤姆逊(Proc. IEEE vol.70, no. 6)提出的多窗口频谱估计和谐波分析方法的应用/扩展。9, p.1055-96, 1982年9月)。如果信号存在,如何估计信号,以及如何估计DOA,我们将简要讨论
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