How narrow is narrowband?

Zatman M.

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How narrow is narrowband?

机译：窄带有多窄？

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The "narrowband" assumption is often made in the analysis of array signal processing algorithms. The author provides a definition for the notion of narrowband, and the derivation of an expression which is useful in determining if a particular scenario qualifies as narrowband. The expression derived correctly predicts where the narrowband assumption fails for some super-resolution algorithms, the Cramer-Rao bound on angle estimation and the signal-to-interference plus noise performance of adaptive beamformers.

机译：通常在分析阵列信号处理算法时做出“窄带”假设。作者提供了窄带概念的定义，并提供了表达式的推导，这对于确定特定方案是否符合窄带条件很有用。对于某些超分辨率算法，得出的表达式正确预测了窄带假设在哪里失败，角度估计的Cramer-Rao界限以及自适应波束形成器的信号干扰和噪声性能。

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《IEE proceedings. Radar, sonar and navigation》 |1998年第2期|P.85-91|共7页
作者
Zatman M.;
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正文语种 eng
中图分类无线电电子学、电信技术;
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1. Active narrowband filtering, line narrowing and gain using ladder electromagnetically induced transparency in an optically thick atomic vapour [J] . James Keaveney, Armen Sargsyan, David Sarkisyan, Journal of Physics, B. Atomic, Molecular and Optical Physics: An Institute of Physics Journal . 2014,第7期

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2. How narrow is narrowband? [J] . M. Zatman IEE proceedings. Radar, sonar and navigation . 1998,第2期

机译：窄带有多窄？
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机译：使用光学上较厚的原子蒸气中的梯形电磁感应透明性进行有源窄带滤波，行变窄和增益。

How narrow is narrowband?

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