窄带有多窄?[自适应阵列信号处理]

Conference Record of the Thirty-First Asilomar Conference on Signals, Systems and Computers (Cat. No.97CB36136) Pub Date : 1997-11-02 DOI:10.1109/ACSSC.1997.679122

M. Zatman

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引用次数: 0

摘要

在对阵列信号处理算法的分析中，通常采用“窄带”或零带宽假设。本文给出了一个精确定义窄带概念的定义和表达式，该表达式准确地预测了一些超分辨算法、角度估计的Cramer - Rao界和自适应波束形成器信噪比性能的“窄带”假设失效点。因此，它是许多类型的传感器阵列系统的一个有用的设计点。

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How narrow is narrowband? [adaptive array signal processing]

The "narrowband" or zero-bandwidth assumption is often made in the analysis of array signal processing algorithms. This paper provides both a definition and expression which precisely define the notion of narrowband The expression accurately predicts the point when the "narrowband" assumption fails for some superresolution algorithms, the Cramer Rao bound on angle estimation and the signal-to-interference-plus-noise performance of adaptive beamformers. Hence it is a useful design point for many types of sensor array systems.

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Conference Record of the Thirty-First Asilomar Conference on Signals, Systems and Computers (Cat. No.97CB36136)

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