带阶梯形贴片的宽带圆极化天线

2020 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2020-07-01 DOI:10.1109/IMWS-AMP49156.2020.9199692

Yanfang Wang, F. Zhu, S. Gao

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引用次数: 0

摘要

提出了一种由锥形平衡轮馈电的宽带右旋圆极化天线。天线由一对旋转对称的z形贴片、一个垂直锥形平衡轮和一个接地面组成。z形贴片的组成部分包括用于产生圆极化波的阶梯式贴片、矩形贴片和连接到平衡轮两端的梯形贴片。结果表明，该天线具有89% (1.33 ~ 3.5 GHz)的宽阻抗带宽和63% (1.56 ~ 3.0 GHz)的3-dB轴比带宽，且在整个工作频段内具有稳定的辐射方向图和一致的增益，最小值在5.0 dBi以上。

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A Wideband Circularly Polarized Antenna With Stepped-Shaped Patch

A wideband right-handed circularly polarized antenna fed by a tapered balun has been proposed. The antenna consists of a pair of rotationally symmetrical Z-shaped patches, a vertical tapered balun and a ground plane. The components of the Z-shaped patches include the stepped patches for generating circularly polarized waves, the rectangular patches and the trapezoidal patches which are connected to the ends of the balun. The obtained results can confirm that the proposed antenna has achieved a wide impedance bandwidth of 89% (1.33-3.5 GHz) and the 3-dB axial ratio bandwidth of 63% (1.56-3.0 GHz) with stable radiation patterns and a consistent gain across the operating frequency band with the minimum value above 5.0 dBi.

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来源期刊

2020 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

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