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A design of broadband dual circularly polarized antenna

机译：宽带双圆偏振天线的设计

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摘要

In this article, a broadband dual circularly polarized (CP) antenna with simplestructure and high gain is designed. A metal ridge septum with the shape ofthe cascade of a rectangle and a triangle is embedded into the square waveguideto excite CP wave, which is presented through analysis and simulation.By feeding the antenna at the two positions with respect to the symmetricalposition of the septum, it can form the right-handed circularly polarized(RHCP) and left-handed circularly polarized (LHCP) wave, respectively. Toverify the design, a prototype of the antenna is fabricated and measured. Themeasured and simulated results coincide with each other. According to thesimulation and measurement, the designed antenna can work well within arelative bandwidth of 64% from 8.5 to 16.5 GHz. The proposed dual CPantenna has the simple configuration and good performance, and it can be agood candidate antenna for the broadband communication system.
机译：在本文中，宽带双圆极化（CP）天线简单 设计结构和高增益。 金属脊隔膜，形状 矩形的级联和三角形嵌入方形波导中 激发CP波，这是通过分析和仿真提出的。 通过相对于对称地在两个位置处馈送天线 隔膜的位置，它可以形成右手圆极化 （RHCP）和左手圆极化（LHCP）波。 到 验证设计，制造和测量天线的原型。 这 测量和模拟结果彼此一致。 根据这一点 仿真和测量，设计的天线可以很好地工作 64％从8.5到16.5 GHz的相对带宽。 提出的双重CP 天线的配置简单和性能良好，它可以是一个 宽带通信系统的良好候选天线。

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