摘要
从硬件设计原理和软件设计流程两个方面介绍利用MCS-51系列单片机做为控制器来设计多功能交通灯控制系统.该系统具有红绿灯显示功能、时钟显示功能及时间倒计时显示功能.
With the wide application of the data warehouse,the decision support system based on data warehouse emerges as the times require. In this paper, requirements of DSS are presented, characters and modeling of data warehouse are analyzed, the decision support system based on data warehouse technology is described, and finally, an applied instance is given.
出处
《宁德师专学报（自然科学版）》
2005年第4期385-387,共3页
Journal of Ningde Teachers College(Natural Science)
关键词
交通灯
倒计时
定时/计数器
data warehouse
online analysis process
decision support system
