【摘要】 提出了一种在普通物理力学实验中,利用气垫导轨上条码扫描自动检测滑块的移动距离和时间,并通过单片机与PC机的串行通信,由计算机实时地进行实验数据处理,并以图表的形式显示的方法,实现了系统硬件和软件的设计。更多还原

【Abstract】 The paper provided a way in general physical experiment,which utilizes scanning bar code on an air cushion guideway to test the distance and time of the motion,processes experimental data real-timely on computer by serial communication between SCM and PC,and displays in chart.The system design of the hardware and software was carried out by it.更多还原