用于扫描广角异常反射镜的大型有限贴片阵列的高效合成

IF 3.5 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Sravan Kumar Reddy Vuyyuru;Risto Valkonen;Sergei A. Tretyakov;Do-Hoon Kwon
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引用次数: 0

摘要

提出了一种平面加载阵列天线的设计方法,通过优化被动加载阵列天线的散射特性,将完美的异常反射合成任意方向。它基于对任何给定负载阻抗的感应电流分布和相关散射的有效和准确的预测。对于有限尺寸的固定阵列,可以通过适当调整每个负载来连续调整偏转角度。我们研究和开发了半有限(有限无限)和有限平面矩形阵列的异常反射器,包括具有亚波长间隔的印刷贴片。利用纯无功负载的异常反射到任意期望的角度进行了数值和实验验证。由于负荷优化的代数性质,该设计方法可应用于具有实际意义的大型反射器的综合。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Efficient Synthesis of Large Finite Patch Arrays for Scanning Wide-Angle Anomalous Reflectors
A design methodology for planar loaded antenna arrays is proposed to synthesize a perfect anomalous reflection into an arbitrary direction by optimizing the scattering characteristics of passively loaded array antennas. It is based on efficient and accurate prediction of the induced current distribution and the associated scattering for any given set of load impedances. For a fixed array of finite dimensions, the deflection angles can be continuously adjusted with proper tuning of each load. We study and develop anomalous reflectors as semi-finite (finite infinite) and finite planar rectangular arrays comprising printed patches with a subwavelength spacing. Anomalous reflection into an arbitrary desired angle using purely reactive loads is numerically and experimentally validated. Owing to the algebraic nature of load optimization, the design methodology may be applied to the synthesis of large-scale reflectors of practical significance.
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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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