微波阻抗变换器教学交互式系统开发及验证DEVELOPMENT AND VERIFICATION OF AN INTERACTIVE TEACHING SYSTEM FOR MICROWAVE IMPEDANCE TRANSFORMERS
谭兆祥,岳玲娜,龚梓杰,尹鹏程,魏彦玉,顾晨,赖凌峰
摘要(Abstract):
针对“微波工程”多节阻抗变换器教学中理论抽象、传统近似设计精度不足及缺乏直观教学工具的问题,本文开发了基于Python的综合设计与教学交互式系统。系统采用非线性方程数值求解及差分进化-序列最小二乘规划混合优化算法,精准实现二项式与切比雪夫阻抗变换器设计,突破大阻抗比误差局限;集成图形界面,支持“已知节数”“已知带宽”双模式,实时输出阻抗序列、反射系数频响等关键参数。系统兼具工程精度与教学直观性,有效弥合理论与实践鸿沟,为微波阻抗变换教学演示与工程设计提供可靠支撑。
关键词(KeyWords): 阻抗匹配;二项式阻抗变换器;切比雪夫阻抗变换器;Python;教学工具
基金项目(Foundation):
作者(Author): 谭兆祥,岳玲娜,龚梓杰,尹鹏程,魏彦玉,顾晨,赖凌峰
DOI: 10.27024/j.wlygc.2025.12.18.01
参考文献(References):
- [1] 贾春刚,郭雅,郭宏福,等.电波测量课程“三性”实验教学改革与实践[J/OL].实验科学与技术,1-8[2025-11-18].JIA C G,GUO Y,GUO H F,et al.Reform and practice of experimental teaching on the “Three-Dimensional” of the radio wave measurement course[J/OL].Experimental Science and Technology,1-8[2025-11-18].(in Chinese)
- [2] 周越,张国锋.切比雪夫阻抗变换器的设计方法[J].大学物理,2012,31(11):29-31.ZHOU Y,ZHANG G F.Design method of Chebyshev transformer[J].College Physics,2012,31(11):29-31.(in Chinese)
- [3] 傅世强,汪阳,李婵娟.基于MATLAB的射频微波电路阻抗匹配教学软件设计[J].中国现代教育装备,2024(3):68-71.FU S Q,WANG Y,LI C J.Design of impedance matching teaching software of RF microwave circuits based on MATLAB[J].China Modern Educational Equipment,2024(3):68-71.(in Chinese)
- [4] 廖臻,廖志斌,刘宇平.基于CST仿真软件的阻抗匹配设计教学实验[J].实验技术与管理,2021,38(2):204-207.LIAO Z,LIAO Z B,LIU Y P.Teaching experiment of impedance matching designbased on CST simulation software[J].Experimental Technology and Management,2021,38(2):204-207.(in Chinese)
- [5] 张风雷.遗传算法与最小二乘法在实验数据处理中的对比研究[J].大学物理,2007(6):32-34.ZHANG F L.The comparative analysis between the GA and themethod of least squares in data processing[J].College Physics,2007(6):32-34.(in Chinese)
- [6] 王文祥.微波工程技术[M].2版.北京:国防工业出版社,2014:98-102.WANG W X.Microwave engineering technology[M].2nd ed.Beijing:National Defense Industry Press,2014:98-102.(in Chinese)
- [7] POZAR D M.微波工程[M].3版.张肇仪,等,译.北京:电子工业出版社,2009:209-219.POZAR D M.Microwave engineering[M].3rd ed.Translated by ZHANG Z Y,et al.Beijing:Publishing House of Electronics Industry,2009:209-219.(in Chinese)
- [8] 唐汉.任意节数切比雪夫阶梯阻抗变换器的计算机辅助设计[J].南京大学学报(自然科学版),1989(2):267-287,346.TANG H.The Computer-aided design of Chebyshev stepped impedance transformer with arbitrary sections numbers and arbitrary impedance ratio[J].Journal of Nanjing University (Natural Sciences Edition),1989(2):267-287,346.(in Chinese)
- [9] 沈致远.微波技术[M].北京:国防工业出版社,1980:169-173.SHEN Z Y.Microwave technology[M].Beijing:National Defense Industry Press,1980:169-173.(in Chinese)
- [10] 王子宇.微波技术基础[M].北京:北京大学出版社,2003:122-129.WANG Z Y.Fundamentals of microwave technology[M].Beijing:Peking University Press,2003:122-129.(in Chinese)
- [11] IZADIAN J S,IZADIAN S M.Microwave transistor amplifiers:Analysis and design[M].Prentice Hall,1987:89-112.
- [12] STORN R,PRICE K.Differential evolution—A simple and efficient heuristic for global optimization over continuous spaces[J].Journal of Global Optimization,1997,11(4):341-359.