应用新型相位插值技术简化线性波束形成网络

IF 3.5 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Elizvan Juarez;Marco A. Panduro;David H. Covarrubias;Alberto Reyna
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引用次数: 0

摘要

本文提出了一种新的设计方案,通过应用一种新颖的相位插值技术来简化线性波束形成网络。本文建议战略性地利用 1 比 3 的分割节点和 2 比 1 的重组节点来重建线性相控阵系统中辐射光束扫描所需的同相值。这项新技术简化了波束形成网络,使移相器的数量减少了 60%,扫描角度达到 ±18°。这些优点都是在使用均匀振幅激励和无额外振幅控制的情况下实现的。整套天线系统采用宽带 V 型槽作为天线元件,可获得约 1.2 千兆赫的带宽性能。这使得带宽增加了 22%。通过使用原型、实验测量结果和基于电磁求解器(CST Microwave Studio)的仿真来说明这一点。这些结果表明,为了在波束转向范围和带宽行为之间实现良好的权衡,相移器的减少是很有意义的。对实验结果进行了分析,并与其他技术和文献中引用的先前作品进行了比较。这种新颖的方法为相控阵天线系统的无线应用提供了非常有益的结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simplification of Linear Beam-Forming Networks by Applying a Novel Phase Interpolation Technique
This paper presents a new design proposal for the simplification of linear beam-forming networks by applying a novel phase interpolation technique. This paper proposes the strategic utilization of 1-to-3 division nodes and 2-to-1 recombination nodes to reconstructing the cophasal values necessary for radiation beam scanning in linear phased array systems. This novel technique simplifies the beam-forming network, achieving a reduction of phase shifters by up to 60% and ±18° of scan angle. These benefits are obtained using uniform amplitude excitation and without additional amplitude controls. The complete antenna system considers a broadband V-slot as antenna element for obtaining a bandwidth performance of approximately 1.2 GHz. This results in a 22% of bandwidth. This is illustrated by using a prototype with experimental measurement results and simulations based on electromagnetic solver (CST Microwave Studio). These results reveal an interesting reduction of phase shifters for a good trade-off of beam-steering range and bandwidth behavior. The experimental results are analyzed and compared with other techniques and previous works cited in the literature. This novel methodology provides interesting results of a high benefit for wireless applications of phased antenna systems.
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来源期刊
CiteScore
6.50
自引率
12.50%
发文量
90
审稿时长
8 weeks
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