在此介绍用于教学的时统频标单元模拟软件开发。软件采用VC++编程方法实现，频标单元人机界面的每一个功能都由相应的控件和相应的事件处理函数完成，使用事件响应函数的形式实现。运行结果表明，设备所有的人机界面和操作与实物一致，完成了时统频标单元的模拟，该软件有助于课堂授课和学生练习设备的操作。文中的软件开发方法可为其他教学模拟软件的开发提供参考。%Timing system,with the development of science and technology,plays a more and more important role in the area of science and engineering,and teaching of the timing system is brought to the forefront gradually. The analog software develop⁃ment of the timing system frequency standard unit for teaching is described in this paper. The software contributes to teaching in class and the students’practice to get the equipment operation skill. The software is realized with VC++ 2008 programming method. Each function of the frequency standard unit man⁃machine interface of the timing system is realized by corresponding control and event handling function,which is implemented in the form of event response function. The system’s running results prove that all the man⁃machine interface and operation are in accordant with the actual object,and can fulfill the analog of fre⁃quency standard unit of the timing system.. The software developing method can be taken as a reference for development of other teaching softwares.
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