摘要
比较详细地比较了存储历史数据的各种方式,着重讨论了在实时数据库中常用的旋转门过程数据压缩技术,总结了数据压缩在工程应用中的优缺点,并对存在的问题针对性的提出改进方法。
This paper discusses the technology of SDT(Swinging Door Trending) process data compression for real-time database,compares the advantages and disadvantages of SDT,suggests some improved methods,and also compares various forms of saving historical databases.
出处
《机电工程技术》
2011年第6期99-100,155,共3页
Mechanical & Electrical Engineering Technology
关键词
实时数据库
历史数据库
过程数据压缩
旋转门
数据压缩的利弊
real time database
historical database
process data compression
Swinging Door Trending
advantages and disadvantages of SDT