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微波阻抗变换器教学交互式系统开发及验证OA

DEVELOPMENT AND VERIFICATION OF AN INTERACTIVE TEACHING SYSTEM FOR MICROWAVE IMPEDANCE TRANSFORMERS

中文摘要英文摘要

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.

To address the limitations of traditional Coriolis-force experiments,such as coarse measurements and limited functionality,this study develops an intelligent platform for the demonstration and investigation of Coriolis dynamics.The platform adopts an end-cloud col-laborative distributed architecture:the front end consists of an STM32 control unit and a K230 vision-acquisition module for multi-source data collection,while the PC-based back end integrates Bluetooth and Wi-Fi data transmission.By incorporating a YOLOv8-based object-detection model,the system enables real-time trajectory tracking and synchronous comparison between theoretical predictions and experimental measurements.Performance evaluation shows that the platform achieves a spatial resolution of 0.667mm/pixel,an end-to-end latency of less than 1.320s,and an R2 value above 0.99 between YOLO-extracted experimental traj-ectories and theoretical trajectories over 50 repeated trials under identical conditions,demon-strating high precision,real-time performance,and strong reliability.Through two represent-ative experiments—ball-motion deflection and fluid erosion—the platform supports both intui-tive visualization of classical physical laws and in-depth exploration of complex nonlinear phe-nomena.By integrating the Mamba model with physics-informed neural networks(PINNs),together with semi-supervised learning and self-attention mechanisms,the platform can pre-dict the outcomes of fluid-erosion experiments and infer the dominant physical mechanisms governing the erosion process directly from experimental data.This work provides a complete and practical solution for the modernization and intelligent upgrading of traditional physics ex-perimental platforms.

谭兆祥;岳玲娜;龚梓杰;尹鹏程;魏彦玉;顾晨;赖凌峰

电子科技大学电子科学与工程学院,四川 成都 611731电子科技大学电子科学与工程学院,四川 成都 611731电子科技大学电子科学与工程学院,四川 成都 611731电子科技大学电子科学与工程学院,四川 成都 611731电子科技大学电子科学与工程学院,四川 成都 611731清华大学物理系,北京 100084北京原力辰超导技术有限公司,北京 100085

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

Impedance matchingBinomial impedance transformerChebyshev impedance transformerPythonEducational tool

《物理与工程》 2026 (3)

79-86,91,9

10.27024/j.wlygc.2025.12.18.01

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