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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。
In order to improve the practical teaching quality of the antenna and cultivate the practical ability of the students, based on the antenna experimental development platform, PNA3621 vector network analyzer is taken as the main test tool. Visual Basic and Flash software development tools are used to design and implement the antenna virtual experiment teaching system . First of all, it introduces the hardware equipment of the antenna experiment and the measurement method of the main performance of the antenna. The framework and software design of the antenna virtual experiment system are analyzed. The realization process of the system in antenna simulation, design and measurement is illustrated with Yagi antenna as an example. The software has good interactivity and practicality and vividness. It has been applied to experimental teaching and extra-curricular innovation in this school, which has changed the traditional experimental teaching method and achieved good results.