竞赛用游泳电动计时器时间精度控制的设计与实现

The Design and Implementation of the Time Accuracy Control with Swimming Electronic Timer in Competition

竞赛用游泳电动计时器是一个时间精度要求很高的实时信息处理系统.如何减少处理电路的时滞以及提高中央处理器的计算速度是设计出满足标准的计时器的关键,设计找出影响游泳电动计时器时间精度的主要因素,通过实验,实现了设计要求.

Swimming electronic timer used in competition is a real-time information processing system which needs a high demand on time accuracy. How to reduce the time-delay in processing circuit and improve the computation speed of CPU are the keys to design a timer which meets the criteria. By experiments,this study found out the main factors which affect the time accuracy of swimming electronic timer and realized its design requirement.