| 1. | Development of historic data base for computerized monitoring and control system of hydropower plants
水电厂计算机监控系统的历史数据库开发 |
| 2. | The configuration software can build the real - time database and history database according to the configuration of the developers
本文提出了比较通用的数据库组态模型，程序可以自动生成实时数据库与历史数据库。 |
| 3. | It is combined with other module ( such as real - time and history database etc ) to form the mmi system of the substation automation
与其它模块(如实时数据库、历史数据库等)共同构成变电站综合自动化监控软件系统。 |
| 4. | 4 . history database is one of the key functions in process industrial real - time database . the design method and realization strategy are proposed
4 )研究流程工业实时数据库系统中的重要部分? ?历史数据库的设计和实现策略。 |
| 5. | When first evaluating the market , information is linked to a historical database of previous performance releases in international markets
首先在市场评估的时候，相关信息都和一个关于电影在国际市场上的票房业绩的历史数据库挂钩。 |
| 6. | In order to provide the foundation for quantitative software management , the running model of historical database is established based on software metrics technology and cmm level four
首先在软件度量技术和cmm已管理级的基础上建立了历史数据库运作模型，为量化软件管理提供了基础。 |
| 7. | In history database , swinging door compression on time - order data , which has little computation and high efficiency , is introduced to get high compression performance . 5
历史数据库中采用了基于时间序列的旋转门压缩算法，其优点是算法简单，压缩率高，该算法应用在内存历史数据库和磁盘历史数据库中。 |
| 8. | 4 . two optional storage methods , which included memory storage and disk storage , were brought forward and put into use in ptdbs to satisfy with the access demand of apc software
考虑到先进控制软件对历史数据的不同访问需要，提出了内存历史数据库和磁盘历史数据库两种数据存储方案，并采用了高效的旋转门压缩算法。 |
| 9. | Building dabase is the base of the software . so in this thesis , emphasis is given to how to building purview - dabase , real - time - database and history - database system . with respect to database editor , acquiring data is grounded on roles in purpose of security
数据库的建立是监控软件的基础，本文着重讨论了权限数据库，实时数据库，历史数据库各自的功能，结构以及具体实现方案。 |
| 10. | The system uses the sdt algorithm to compress the process data and then saves it to the historical database . the concurrence of relative error is maintained under an acceptable level . it has obtained the satisfactory compression effect and enormously reduced the data storage space
系统采用旋转门压缩算法,将过程数据压缩后存储于历史数据库,压缩后的重现数据保持较小的相对误差,取得了满意的压缩效果,极大减少了数据的存储空间。 |
