一种基于简单印刷偶极子结构的新型双频双感圆极化天线

2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting Pub Date : 2017-07-09 DOI:10.1109/APUSNCURSINRSM.2017.8072129

R. Xu, Jianying Li, Guangwei Yang

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引用次数: 3

摘要

研究了一种实现双频双感圆极化(CP)天线的新方法。该天线由简单的线性极化领结偶极子天线演变而来，采用旋转对称几何结构产生双频双感CP波。S11>−10 dB时的测量阻抗带宽(IBW)为97.4% (1.96 ~ 5.68 GHz)。测量到的3 db轴比带宽(ARBWs)在右圆极化(RHCP)下为9.2% (2.29 ~ 2.51 GHz)，在左圆极化(LHCP)下为12.3% (4.96 ~ 5.61 GHz)。此外，该天线的辐射方向图表现良好，天线在上、下ARBWs内的峰值增益分别为2.0和4.6 dBic。

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 novel dual-band dual-sense circulalry polarized antenna based on simple printed dipole structure

A new method to achieve dual-band dual-sense circularly polarized (CP) antenna is studied in this paper. This antenna is evolved from a simple linear polarized bow-tie dipole antenna, and the dual-band dual-sense CP waves are generated by rotational symmetry geometry. The measured impedance bandwidth (IBW) for S11>−10 dB is 97.4% (1.96∼5.68 GHz). The measured 3-dB axial ratio bandwidths (ARBWs) are 9.2% (2.29∼2.51 GHz) with right-hand circular polarization (RHCP) and 12.3% (4.96∼5.61 GHz) with left-hand circular polarization (LHCP). Furthermore, the radiation patterns perform very well, and the antenna peak gain within the lower and upper ARBWs are 2.0 and 4.6 dBic, respectively.

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来源期刊

2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting

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