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Beamforming properties and design of the phased arrays in terms of irregular subarrays

机译：不规则子阵列的波束成形特性和相控阵设计

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摘要

Large phased arrays are often organised by subarrays given the current state of technology. The irregular subarray architecture, which can effectively mitigate the quantisation lobes, has received a renewed interest in recent years. Recent researches present some innovative particular irregular subarrays to provide practical means to eliminate the quantisation lobes using several (even only one) kinds of subarray. However, there is no single, neat theory of the irregularly partitioned array antennas in the literature. This study presents some derivations of the beamforming properties for arrays with arbitrary subarray partition to fill this gap. Derivations have led us to introduce a novel approach to assess the radiation properties which is useful for the systematic design of phased arrays. Numerical experiments are carried out to validate the authors' derivations. Additionally, an elaborate example illustrates a design discipline for a limited-field-of-view array with polyomino-shaped subarrays.
机译：给定当前技术状态，大型相控阵通常由子阵列组成。可以有效减轻量化波瓣的不规则子阵列架构近年来引起了新的关注。最近的研究提出了一些创新的特殊不规则子阵列，以提供使用几种（甚至只有一种）子阵列消除量化瓣的实用手段。但是，在文献中没有不规则分隔的阵列天线的单一，整洁的理论。这项研究提出了具有任意子阵列分区的阵列的波束成形特性的一些推导，以填补这一空白。推导使我们引入了一种评估辐射特性的新颖方法，该方法对于相控阵的系统设计很有用。进行数值实验以验证作者的推导。此外，一个详尽的示例说明了具有多米诺型子阵列的有限视野阵列的设计原则。

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