基于TM30/TM03模式的紧型高增益圆极化补丁天线.
Hoang Nguyen-Huy1, Duc-Nguyen Tran-Viet2, Phuong Kim-Thi3
1Faculty of Electrical and Electronic Engineering, PHENIKAA University, Yen Nghia, Ha Dong, Hanoi 12116, Vietnam.
PloS one
|May 6, 2025
概括
这项研究介绍了一种紧的,高收益的循环极化 (CP) 微条纹补丁天线. 使用高阶模式补丁和基板集成波导 (SIW) 腔,它实现了显著的增益和减少后辐射.
科学领域:
- 电磁学和波浪传播
- 天线理论和设计.
- 微波工程 微波工程
背景情况:
- 微条纹补丁天线由于其低形状和可整形性而被广泛使用.
- 在一个紧的形式因素中同时实现高增益和循环极化仍然是一个挑战.
- 减少反向辐射对于许多天线应用来说至关重要,以尽量减少干扰.
研究的目的:
- 设计和验证一个具有高增益和紧尺寸的循环极化 (CP) 微条纹补丁天线.
- 调查使用高阶模式来提高辐射性能.
- 为了减少背面辐射,使用基板集成波导 (SIW) 腔.
主要方法:
- 采用高阶模式补丁天线设计.
- 利用对角线料和不平等的中心交叉槽来产生直角的TM03和TM30模式.
- 在补丁周围集成了一个基板集成波导 (SIW) 腔,以减少背面辐射.
- 制造并测量了一个天线原型,用于验证.
主要成果:
- 拟议的天线在中心频率上实现了1.27λ x 1.27λ x 0.03λ的紧尺寸.
- 测量的工作带宽 (S11 < -10 dB,AR < 3 dB) 从5.435到5.475 GHz.
- 在工作频段内达到大约12dBi的高增强辐射.
- 与没有SIW腔的类似天线相比,减少了两倍的背辐射.
结论:
- 开发的高顺序模式微条纹补丁天线有效地辐射高收益CP波.
- 整合SIW腔是实现紧尺寸和减少背部辐射的可行方法.
- 原型测量验证了设计的性能,证明其适用于需要高增益和低背叶的应用.
相关概念视频
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