四边形波导变压器的计算机辅助设计,用于半高矩形波导的全频段匹配
Senjie Jiang1, Qingyuan Wang2, Rongrong Su3
1School of Textile Materials and Engineering, Wuyi University, Jiangmen, Guangdong 529020, People's Republic of China.
The Review of scientific instruments
|December 8, 2023
概括
一种新型的四边缘波导变压器 (QRWT) 提供了紧的,全频 impedance 匹配标准和半高波导. 这种新设计实现了与传统方法相比显著缩短长度的优越性能.
科学领域:
- 电磁学 电磁学 电磁学 电磁学
- 微波工程 微波工程
- 波导技术技术 波导技术
背景情况:
- 标准波导需要阻抗匹配才能有效传输信号.
- 紧的波导元件对于现代电子系统至关重要.
- 传统的匹配电路通常在宽带宽上缺乏效率.
研究的目的:
- 引入一个四边缘波导变压器 (QRWT) 来实现全频 impedance匹配.
- 为了证明QRWT在标准和半高波导之间过渡的有效性.
- 突出QRWT在紧性和性能方面的优势,与传统方法相比.
主要方法:
- 在基于电磁概念的初始QRWT配置中使用CST微波工作室.
- 采用先进的电磁仿真软件,以在宽松的约束条件下进行优化.
- 设计一个QRWT样本,使其与WR34与半高波导相匹配.
主要成果:
- 在21.7至33GHz带宽中实现了低于-24dB的反射系数.
- 优化的QRWT长度为3.088毫米,比可比的四分之一波变压器短57%.
- 制造的原型显示测量反射<-16.6 dB和插入损失<0.2 dB.
结论:
- 该QRWT提供高效的,全频 impedance 匹配在一个紧的形式因素.
- 与传统的波导变压器相比,QRWTs提供了显著的尺寸缩小.
- 拟议的QRWT设计是可制造的,并经过实验验证,可用于实际应用.
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