利用阻抗面对圆形微带辐射器高阶宽侧模进行辐射方向图整形

2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) Pub Date : 2014-07-13 DOI:10.1109/ANTEM.2014.6887662

P. Juyal, L. Shafai

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引用次数: 3

摘要

圆形贴片天线的TM11模式通常用于宽带应用。本文研究了高阶宽边模。这里已经尝试了这些模式的辐射模式整形，以使它们对各种应用有用。设计的演变受到元屏幕概念的启发。在TM12和TM13模式中实现了显著的旁瓣降低，最终导致新的天线配置。这里的主要思想是通过使用阵列亚波长槽来定制贴片表面上的电流分布，并使其表现为低阻抗表面，以获得所需的图案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Radiation pattern shaping of higher order broadside modes of circular microstrip radiator using impedance surfaces

TM11 mode of circular patch antenna is commonly used for broadside applications. Higher order broadside modes are studied in this paper. Radiation pattern shaping of these modes has been attempted here to make them useful for various applications. The evolution of designs is inspired by the concept of metascreens. Significant sidelobe reduction is achieved in TM12 and TM13 modes which ultimately lead to novel antenna configurations. The principal idea here is to tailor the current distribution on patch surface via using array subwavelength slots and making it behave as a low impedance surface to get the desired pattern.

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2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM)

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