摘要
分析了一个公路交通量调查数据处理系统的需求特点、总体结构、处理流程、数据库设计、系统实现。该系统包含5个相关但独立运行的子系统:实时数据包接收器,数据包转发器,运行监控子系统,查询与统计客户端,数据在线发布子系统。介绍了系统的主要数据库表及存储过程,给出了基于时序区间的判重算法,推广了加权平均车速算法,讨论了多线程处理、Web服务及Excel报表制作等实现技术。实际运行表明,该系统有良好的稳定性、健壮性与可伸缩性,满足了行业管理需求。
This paper analyses a processing system for highway traffic flux investigation data, which includes requirement characteristics, total structure, processing flow. database design, system realization. The system consists of five subsystems： real-time datagram receiver, datagram for^arder, subsystem of monitor for running, client for querying and statistics, which are related each other but running alone. It introduces the main tables and stored procedures in database. An algorithm for judging duplicate datagram based on time order interval is given, and an algorithm for weighted average car speed is extended, and several key realized techniques, including muti-thread processing, Web services and report with Excel are discussed. Application shows that the system is stable, robust and scalable, and it meets the requirements of highway vocation administration.
出处
《计算机工程》
CAS
CSCD
北大核心
2007年第22期280-282,共3页
Computer Engineering
