毫米波3d打印双极化宽带Luneburg透镜天线

2022 IEEE 9th International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications (MAPE) Pub Date : 2022-08-26 DOI:10.1109/MAPE53743.2022.9935214

Yujiao Guo, Yujian Li, Junhong Wang

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引用次数: 0

摘要

本文提出了一种简单的毫米波三维(3D)打印吕内堡透镜天线。将三点阵型梯度折射率材料与棒状梯度折射率材料相结合，构造了一种新型的可打印球面透镜几何结构。透镜由一个孔径为方形的喇叭馈电，这保证了馈电的E面和H面辐射模式几乎是对称的。研究了不同偏振和入射方向下透镜的辐射特性。透镜天线产生的双极化辐射波束扫描范围广，在较宽的工作频带内性能稳定。在整个ka波段，|S11|小于- 17.5 dB，即阻抗带宽大于40%。在±60°角范围内进行了双偏振扫描，得到了有前途的辐射图。

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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A Millimeter-Wave 3D-Printed Dual-Polarized Wideband Luneburg Lens Antenna

In this paper, a simple millimeter wave three-dimensional (3D) printed Luneburg lens antenna is proposed. A novel printable spherical lens geometry is constructed by combining cubical-lattice-type and rod-type gradient index materials. The lens is fed by a horn whose aperture is square, which ensures that the radiation patterns of E- and H- planes of the feed is almost symmetrical. The radiation characteristics of the lens with varied polarizations and incident directions for excitations are studied. The dual polarization radiation beam generated by the lens antenna can scan in a wide range and has stable performance in a wide working band. In whole Ka-band, |S11| is lower than – 17.5 dB, that is the impedance bandwidth of wider than 40%. The promising radiation patterns with the dual polarization scanning in an angular range of ±60° are obtained.

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来源期刊

2022 IEEE 9th International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications (MAPE)

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