首页|虚实结合的传输线工作状态仿真与应用实验设计

虚实结合的传输线工作状态仿真与应用实验设计

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针对传统微波实验少、教学难和设备维护成本较大、实验与工程脱节等问题,以同轴电缆故障检测为应用背景,将传输线理论与工程应用结合,设计虚实结合的传输线工作状态仿真与应用实验.采取工程问题引入、虚实结合、软硬搭配的方式,从传输线工作状态分析入手,利用终端短路和开路传输线模拟存在短路或断路故障的同轴电缆,通过仿真完成故障建模分析,掌握不同工作状态下电压、电流、阻抗和反射系数特性,自主设计方案完成故障检测.实践结果表明,传输线工作状态仿真与应用实验有利于学生深化对理论的理解、明晰理论的应用和提升解决工程问题能力,较好地满足实验教学要求.
Design of Simulation and Application Experiment of Transmission Line Working States by Combination of Virtuality and Reality
In response to the high cost of teaching and maintenance in traditional microwave experiments,and the disconnection between experiments and engineering,a simulation and application experiment of transmission line working states is designed.Using coaxial cable fault detection as the application background,this experiment combines transmission line theory with engineering applications,adopts the approach of introducing engineering problems,links virtual with reality,and combines software design and hardware design.This experiment starts with the working state simulating of the transmission line,and then models and analyzes the characteristics of voltage,current,impedance,and reflection coefficient under different working conditions.Students independently design solutions to complete the engineering problem of cable fault detection.The practical results indicate that the project can enable students to deepen their understanding of theory and apply it to solve practical problems better which meets the teaching requirements well.

transmission line theorymicrowave experimentcoaxial cablefault detection

张兰、陈一铭、张云华

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武汉大学电子信息学院,武汉 430072

传输线理论 微波实验 同轴电缆 故障检测

湖北省高等学校教学研究项目(2021)

2021033

2024

实验室研究与探索
上海交通大学

实验室研究与探索

CSTPCD北大核心
影响因子:1.69
ISSN:1006-7167
年,卷(期):2024.43(5)
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