x波段单臂螺旋结构的小型化圆极化喇叭天线

Proceedings of the 1st International Conference on Information Science and Systems Pub Date : 2018-04-27 DOI:10.1145/3209914.3226168

Xiao-kun Chen, Jiaao Yu, Shirui Peng

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引用次数: 0

摘要

设计并实现了一种微型圆极化喇叭天线。天线的辐射部分为单臂螺旋(SAS)结构，由50Ω同轴线通过小圆盘/地平面直接馈电，这种馈电方式取代了传统双臂平衡模式螺旋天线中常用的传统平衡方式。利用后腔和锥形喇叭增加天线增益，控制波束宽度，改善波束指向偏差现象。结果表明，设计的天线在8 GHz ~ 12 GHz的设计频率范围内具有良好的圆极化(CP)辐射性能，天线的整体尺寸为40×40×24mm。

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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Miniaturized Circularly Polarized Horn Antenna with a Single-Arm Spiral Structure for X-band

a miniature circularly polarized horn antenna is designed and implemented. The radiation part of the antenna is a single-arm spiral (SAS) structure, which is directly fed by 50Ω coaxial line through a small disc/ground-plane, and this feeding method replaces the traditional balun which often used in conventional two-arm balanced-mode spiral antenna. The gain of the antenna is increased by the back cavity and the conical horn, the beam width is controlled, and the phenomenon of beam pointing deviation is improved. It is revealed that the designed antenna has a good circularly polarized (CP) radiation performance over a design frequency range of 8 GHz to 12 GHz, and the overall dimension of the antenna is 40×40×24mm.

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Proceedings of the 1st International Conference on Information Science and Systems

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