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1 引言物理演示实验是把事物的现象以直观的手段,生动地展现出来,为学生提供大量的感性材料,通过观察和思考,学生可以从中引出问题,进行对比、分析和综合,进而上升到理性认识,这对于培养学生敏捷的观察力,形象的思维能力的培养起着积极的作用.然而,对于许多物理演示实验,由于受到种种条件的限制,并不能直观地展现整个物理过程,尤其是一些瞬息变化的物理过程。通过计算机接口系统再配以适当的传感器和软件,利用计算机的作图功能,就可以将采集到的数据转换成计算机屏幕上的曲线和图象,从而直观地实时动态显示一个物
1 Introduction Physical demonstration experiment is to visualize the phenomenon of things vividly, providing students with a large number of perceptual materials, through the observation and thinking, students can lead to problems, to contrast, analysis and synthesis, and then rose to rationality Understanding, which plays an active role in cultivating students’ quick observation ability and cultivating the thinking ability of the image.However, for many physical demonstration experiments, due to various conditions, the whole physical process can not be displayed intuitively, especially some Changing physical processes. Through the computer interface system coupled with the appropriate sensors and software, the use of computer graphics capabilities, the collected data can be converted to the computer screen curves and images in order to visually intuitively dynamic display of an object