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An overview of multi-dimensional RF signal processing for array receivers

机译：阵列接收器多维RF信号处理概述

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In this review paper, recent advancements in multidimensional (MD) spatio-temporal signal processing for highly-directional radio frequency (RF) antenna array based receivers are discussed. MD network-resonant beamforming filters having infinite impulse response (IIR) and recursive spatio-temporal signal flow graphs are reviewed. The concept of MD network-resonant pre-filtering is described as a modification to existing phased/timed array beamforming back-ends to achieve improved side-lobe performance in the array pattern, leading to better interference rejection capabilities. Both digital and analog signal processing models are described in terms of their system transfer functions and signal flow graphs. Example MD frequency response and RF antenna array pattern simulations are presented.
机译：在本文中，讨论了用于高度定向射频（RF）天线阵列的接收器的多维（MD）时空信号处理的最新进步。综述了具有无限脉冲响应（IIR）和递归时空信号流程图的MD网络共振波束形成滤波器。 MD网络谐振预滤波的概念被描述为对现有相控/定时阵列波束形成后端的修改，以实现阵列图案中的改进的侧瓣性能，从而产生更好的干扰抑制能力。数字和模拟信号处理模型都是根据其系统传输功能和信号流程图描述的。示例MD频率响应和RF天线阵列模式模拟。

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