为了提高摩托艇比赛计时系统的精确性和高效性,设计了一种电子计时系统,系统以单片机AT89C51为微控制单元,通过激光传感器,对激光进行感知,并将激光信号转化成电信号传递给单片机,系统设计了两种模式,一种是排位赛模式,第二种是竞速赛模式,分别编写了两套程序,单片机根据程序可以准确执行指令,实验表明,次电子计时系统大大提高了裁判的准确度,以及成绩编排效率,而且完全可以符合现有摩托艇的比赛规则。%In the motorboat race timing system in order to improve the accuracy and efficiency,the design of an electronic timing system,based on SCM AT89C51 micro control unit,laser sensors,laser perception and laser signals into electrical signals passed to the microcontroller,consists of two modes,the first is a qualifying mode,while the second is the Sprint mode,which respectively,prepared two sets of procedures according to the program,and the microcontroller can execute instructions accurately.Experiments show that the electronic timing system greatly improve the accuracy of the referee,as well as the achievements scheduling efficiency,and can comply with the rules of the game of existing motorboat.
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