基于小型化元件频率选择面的指向性增强平面透镜天线

2019 IEEE 2nd International Conference on Electronic Information and Communication Technology (ICEICT) Pub Date : 2019-01-01 DOI:10.1109/ICEICT.2019.8846417

Chunsheng Guan, Xumin Ding, Kuang Zhang, Ming Jin, Qun Wu

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引用次数: 1

摘要

我们提出了一种新的低轮廓、双极化和高指向性天线透镜的建模方法，该天线透镜采用小型化元件频率选择表面(MEFSS)，它由薄衬底上的三个紧密间隔的金属层组成，彼此被空气空间隔开。顶层和底层为电容贴片层，中间层为感应丝栅层。具有可变尺寸电容片的元件明智地分布在透镜上，以提供梯度相位函数，从而压缩波前宽度。设计了一种由贴片天线及其上面的透镜组成的透镜天线，并对其进行了仿真和表征。结果表明，该方法具有良好的性能，在2.5 GHz时实现增益提高7.08 dB。所演示的高指向性透镜可应用于雷达和通信系统。

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Planar Lens Antenna with Enhanced Directivity Based on Miniaturized Element Frequency Selective Surface

We present a novel modeling of a low profile, dual polarization and high-directivity antenna lens using miniaturized element frequency selective surface (MEFSS), which is composed of three closely spaced metallic layers on thin substrate separated from one another by air space. The top and bottom layer are capacitive patch layers and the middle layer is inductive wire grid layer. The element with variable size of capacitive patches are judiciously distributed across the lens to provide a gradient phase function so as to compress the wave-front width. A lens antenna, composed of a patch antenna and the proposed lens above it, are designed, simulated and characterized. The results shows good performance-the realized gain increases by 7.08 dB at 2.5 GHz. The demonstrated lens with high directivity can be applied to radar and communication system.

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来源期刊

2019 IEEE 2nd International Conference on Electronic Information and Communication Technology (ICEICT)

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