【摘要】 为了提高天线实践教学质量,培养学生动手能力,以天线实验开发平台为基础,以PNA3621型矢量网络分析仪为主要测试工具,利用Visual Basic和Flash软件开发工具,设计并实现了天线虚拟实验教学系统。首先介绍了天线实验的硬件设备与天线主要性能的测量方法,分析了天线虚拟实验系统的框架和软件设计,以八木天线为例演示了该系统在天线仿真、设计和测量方面的实现过程。该软件交互性好,实用逼真,已被应用于该校课内实验教学和课外创新,改变了传统的实验教学方式,取得了良好效果。更多还原

【Abstract】 In order to improve the quality of practical teaching of antenna and cultivate students’ practical abilities,an antenna virtual experiment teaching system is designed by using Visual Basic and Flash software development tools based on the antenna experiment development platform and PNA3621 vector network analyzer.This paper introduces the antenna experiment hardware and the antenna main performance measurement methods,discusses the overall structure of the virtual experiment system and software design.It takes the Yagi antenna as an example to demonstrate the system application in antenna simulation,design,and measurement.The system uses the electromagnetic simulation software to simulate antenna performance,uses the self-developed antenna parameters calculation software to design antenna.The antenna test is based on the operation of PNA3621 vector Network Analyzer.At last,the system gets the antenna pattern and input impedance performance of the Yagi antenna.The application shows that the system is interactive,practical and realistic.It has been applied to the curricular experiment teaching and extra-curricular innovation.It changed the traditional teaching methods,and achieved good results.更多还原