基于可视化教学的微波传输线模块化实验系统设计  

Design of Microwave Transmission Line Modular Experimental System Based on Visualization Teaching

作　　者：傅世强[1] 林海 李婵娟[1] 徐之遐 FU Shiqiang;LIN Hai;LI Chanjuan;XU Zhixia(National Electric and Electronic Experiment Teaching Center,Dalian Maritime University,Dalian 116026,Liaoning,China)

机构地区：[1]大连海事大学国家级电工电子实验教学示范中心,辽宁大连116026

出　　处：《实验室研究与探索》2024年第12期68-72,共5页Research and Exploration In Laboratory

基　　金：中央高校基本科研业务费专项(3132024232);辽宁省教育厅教改项目(辽教通〔2022〕166号-352);大连海事大学教改项目(2022Z35)。

摘　　要：根据微波传输线理论“化场为路”的分析方法,设计一套集总参数等效电路的微波传输线模块化实验教学系统,旨在帮助学生深入理解微波传输线的基本原理和工作特性。该系统采用低频电路元件进行模块化设计,利用两组不同颜色LED,演示信号在传输线中的不同工作状态,让学生能直观感受信号的传播过程,增加实验兴趣。采用积木式可拼插接口,便于元件的替换和系统调试,进一步拓展匹配电路及功分电路等复杂器件的设计性实验,有助于培养和锻炼学生的探索精神和实践能力,提升教学效果。According to the“field-to-circuit”analysis method in microwave transmission line theory,a modular experimental teaching system of microwave transmission line is designed based on the lumped parameter equivalent circuit.This system aims to enhance students'understanding of the fundamental principles and operational characteristics of microwave transmission lines.The system employs low-frequency circuit components for modular design and utilizes two sets of LED lights with different colors to visually demonstrate various signal states within the transmission line.This intuitive representation allows students to grasp the signal transmission process effectively and increase their interest in conducting experiments.Furthermore,the module incorporates a modular interlocking interface,facilitating component replacement and system debugging,while also enables further expansion into designing experiments involving complex components such as matching circuits and power division circuits.These features are conducive to fostering students'spirit of exploration,practical abilities,and overall educational advancement.

关 键 词：微波传输线 等效电路 集总参数 分布参数 

分 类 号：G642[文化科学—高等教育学]