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介绍了用光幕靶、单片机和 PC 机组成的一套弹丸速度测试系统及该系统的工作原理;分析了单片机与 PC 机通讯时应注意的问题;编制了系统软件,并与“标准”测速系统进行了实际应用对比。
This paper introduces a set of projectile velocity test system which consists of light curtain target, single chip computer and PC and the working principle of the system. The problems that should be paid attention to when communicating between single chip microcomputer and PC are analyzed. The system software is compiled and compared with “standard” The system has been compared with the actual application.