极低轮廓螺旋天线馈电谐振腔ETC系统

2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) Pub Date : 2014-07-13 DOI:10.1109/ANTEM.2014.6887755

N. Rimbault, A. Sharaiha, S. Collardey

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引用次数: 3

摘要

本文设计了一种适用于电子收费识别(ETC)阅读器的紧凑型高增益圆极化天线，覆盖全球频段5.7255.875GHz。该天线由安装在谐振腔内的轴向型螺旋制成。优化后的结构总尺寸为2λ × 2λ × λ/4，最大增益为12dBic，带宽轴比低于4dB。

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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Very low profile helix antenna feeding resonant cavity for ETC system

This paper presents the design of a compact high gain circularly polarized antenna for Electronic Toll Collection Identification (ETC) reader covering the global band 5.7255.875GHz. The antenna is made of an axial mode helix mounted inside a resonant cavity. The optimized structure has a total size of 2λ × 2λ × λ/4 and delivers maximum gain of 12dBic and axial ratio lower than 4dB in the bandwidth.

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

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