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一个宽带毫米波循环偏振折叠反射阵天线,基于传输线性到循环偏振转换器

Yue Cao¹, Zhuwei Wang¹, Qing Wang¹

¹School of Information Science and Technology, Nantong University, Nantong 226019, China.

|June 27, 2025

概括

一种新型的宽带循环极化折叠反射射线天线 (CPFRA) 使用地表元件和极化转换器实现了27.4%的增强带宽. 这种天线非常适合毫米波卫星通信.

科学领域:

电磁学和应用物理学
天线理论和设计.

背景情况:

反射射线天线 (RA) 对于定向通信系统至关重要.
在RA中实现宽带和循环偏振性能存在重大挑战.

研究的目的:

提出一个宽带循环极化折叠反射射线天线 (CPFRA).
为了提高带宽使用 metasurface 元素和极化转换器.

主要方法:

一个CPFRA的设计,集成一个基于Metasurface的RA元件和一个传输的线性到圆性的极化转换器.
拟议的CPFRA原型的制造和实验测试.

主要成果:

CPFRA实现了27.4%的3dB增强带宽和23%的3dB轴比带宽.
记录了21.2dBi的峰值增益和27.2%的光圈效率.
该设计成功地将线性偏振转换为循环偏振.

结论:

拟议的CPFRA显示出出色的宽带和循环极化特征.
天线是毫米波卫星通信应用的可行解决方案.
优点包括高收益,低成本,低配置和宽带宽.

关键词:

循环极化 (CP) 的天线.折叠的反射阵天线 (FRA)metasurface 地表的表面是什么毫米波 (mm-W) 方式传输式线性到圆形的偏振转换器宽带宽带是什么意思

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