作为射电望远镜反射器馈源的低轮廓超宽带定向偶极子天线

2016 IEEE International Conference on Microwave and Millimeter Wave Technology (ICMMT) Pub Date : 2016-06-01 DOI:10.1109/ICMMT.2016.7761819

Chao Xie, Jungang Yin, Xiang Li, F. Pang, Jian Yang

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引用次数: 0

摘要

在本文中，发现一个小顶板有助于提高超宽带偶极子天线的阻抗带宽水平高于地平面。基于该设计方法的线性偏振样机可以在接近3.5:1的带宽下工作，回波损耗小于10 dB，并且在整个工作频带内具有接近稳定的辐射方向图、较高的BOR1效率和孔径效率。

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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Low-profile ultra-wideband directional dipole antenna as a feed for reflectors in radio telescopes

In this paper, a small top plate is found useful to improve the impedance bandwidth of an ultra-wideband dipole antenna horizontally above a ground plane. A linearly-polarized prototype based on this new and simple design methodology can operate over nearly 3.5:1 bandwidth with return losses better than 10 dB, and with nearly stable radiation patterns, high BOR1 efficiency and aperture efficiency over the entire operating band.

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来源期刊

2016 IEEE International Conference on Microwave and Millimeter Wave Technology (ICMMT)

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