According to the increasingly wider use of automatic grading systems in sport competitions, a compe-tition grading system based on WLAN ( Wireless Local Area Network) and Android platform technology is intro-duced. The system , using common personal computers and a wireless router to act as the central node, gathers athletes' score through WLAN and deals with them on the platform of PC. The results show that this system works well in small and medium outdoor competitions, and the maximum covering distance is around 100 m. The system is cost-effective and deals with athletes' score timely effectively to reduce the workload of organizers. It is user-friendly and of good reliability.%针对自动评分系统在体育赛事中越来越广泛地使用,设计了一种基于无线局域网和Android平台技术的系统.系统的中心节点由个人电脑和无线路由器组成,通过无线局域网传输运动员比赛成绩,再在PC平台进行汇总处理.经过测试表明,系统在大小型室外竞赛中运转良好,其最大通信距离为1OOm左右.系统在成本较低的基础上能很好地处理运动员的成绩数据,减少了组织者的工作量,并且使用方便,运用前景广阔.
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