基于对称CRLH-TL波器的双带微条带天线设计方法
Farshid Beigverdi1, Mohammad Bemani2, Saied Nikmehr1
1Department of Electrical and Computer Engineering, University of Tabriz, 5166616471, Tabriz, Iran.
Scientific reports
|October 25, 2024
概括
本研究引入了一种新的基于过器的分析,用于使用复合右/左传输线理论的矩形补丁天线. 一个双频带天线被设计为WiMAX频率的过能力,显示出良好的性能和效率.
科学领域:
- 天线理论和设计.
- 电磁学 电磁学 电磁学 电磁学
- 微波工程 微波工程
背景情况:
- 传统的矩形补丁天线 (RPA) 通常需要针对特定应用进行过.
- 复合右/左传输线 (CRLH-TL) 理论为设计具有独特电磁性质的天线提供了一个框架.
研究的目的:
- 使用CRLH-TL理论,开发一种新的基于过器的RPA分析.
- 设计和验证具有集成过特性的双频段零顺序共振 (ZOR) 天线.
主要方法:
- 开发了两个RPA电路模型:一个使用一次性组件,另一个使用传输线 (TL) 元素,将RPA视为对称CRLH-TL (SCRLH-TL).
- 与全波分析对电路模型进行了验证,TL模型的误差低于5%.
- 设计了一种双频段的ZOR天线,通过将RPA块元素模型与LC共振器,特别是互补分环共振器 (CSRR) 集成.
主要成果:
- 设计的双频带天线在2.45GHz和3.60GHz的WiMAX频率上运行,CSRR控制中心频率.
- 模拟和测量结果显示出很好的一致性,在相应的频率下,测量收益为3.47dB和4.64dB.
- 该天线表现出过特性,观察到辐射为零,并实现了90% (2.45 GHz) 和87% (3.60 GHz) 的模拟效率.
结论:
- 使用CRLH-TL理论提出的基于过器的分析对于设计具有过能力的双频天线是有效的.
- 设计的ZOR天线证明了对WiMAX频率的实际适用性,在增益,效率和辐射模式方面提供了良好的性能.
- 整合RPA和CSRR结构为实现双频操作和天线设计中固有的过提供了一种可行的方法.
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