历史数据存储

用VB实现从PHD到Oracle的历史数据存储

Realize Historical Data Storage From PHD to Oracle By VB

对于系统时间表，DB2还帮助将历史数据存储在一个与时态表相关联的历史表中。

For system time tables , DB2 also helps store historical data in a history table associated with the temporal table .

利用Sybase服务器实现电网历史数据存储功能的两个实例

Two examples of implementing power system historical data saving function by Sybase server

因此，数据库历史数据存储在一个ASCII文件中，并放在备份镜像中，我们可以从中检索和处理它。

Therefore , the database history is stored in an ASCII file and included in the backup image where we can retrieve and process it .

利用分散控制系统（DCS）的强大数据采集和历史数据存储功能，提出了一种电站锅炉燃烧系统实现自动控制后的节煤率计算方法，该方法计算简单、实用、准确。

Using the powerful data collection and historical data storage function of the Distributed Control System ( DCS ), we suggest a calculation method of coal saving ration for the boiler autocontrol burning system in the power plants in this article . This method is simple , practical and exact .

运行平台是交互式的图形用户界面，具有数据实时采集处理、历史数据存储和浏览、报警显示和对复杂工业对象的远程控制等功能，并内嵌OPC服务器，便于对系统进行远程访问和控制。

Its functions are to acquire and process real-time data , storage and browse historical data , alarm and display fault information , especially control sophisticated industrial plants . The running platform has an OPC Server inside , which makes the access and remote control of the system convenient .

组态软件中历史数据存储与查询的一种新方法

A New Method of Storing and Querying Historical Data in SCADA

图5显示了源历史数据存储格式。

Figure 5 shows the source history data storage format .

数值预报产品释用业务系统历史数据存储与检索

Historical Data Storage and Retrieval in the Operational System for Application and Interpretation of Numerical Weather Forecasting Products

实现了对换热站实时监控、数据采集、历史数据存储、报警和动态显示等功能。

Real-time monitoring , Data acquisition , Historical data storage , Alarm and Dynamic display are implemented on the heatexchange station system .

它有13个显存的非挥发性快闪记忆体的历史数据存储与一家伐木和归档策略，保护数据免受损失或篡改。

It has13 Mbyte of non-volatile Flash memory for historical data storage with a loggingarchiving strategy that protects the data from loss or tampering .

具体而言，在历史数据存储领域，作者针对一类特殊的数据类型阶段变动历史数据的存储使用问题，讨论了如何改进其存储模型，使得这类数据在存储空间和查询时间上达到最佳的平衡。

The concrete topics as following . Data storage , the author improved the storage model of stage-change data to make an optimal balance between the space and performance .

上位计算机的任务是实现远程监测和管理，主要进行实时数据通信、运行状态监视、历史数据存储与打印、故障报警等；

The computer mainly realizes the functions of long-range supervision and management and it includes : real time data communication , running state monitoring , history data save and print , error alarm , etc ;

最后，应用数据库技术和ActiveX技术对历史数据进行存储和管理。

At last , the applications use the database technology and ActiveX technology to store and manage historical data .

数据流历史数据的存储与聚集查询处理算法

Algorithms for Storing and Aggregating Historical Streaming Data

设计了历史数据分布式存储和集中式存储结合模式。

It has designed the union pattern of distributional and central memory of historical data .

通过建立历史数据安全存储机制，有效地保证录井数据存储的安全性。

The safety of logging data storage is assured by the establishment of security mechanism in storing historical data .

提出基于二级缓存的历史数据转移存储方案，减轻实时系统的负担，有利于采集系统长期稳定运行。

A historical data storage scheme by second-phase cache was proposed , which can reduce the burden of real-time system and help to long-term running .

同时，该校验仪可以对历史数据进行存储，供用户查询。

The device can store the result of the measurement at the same time , which will enable the users to look over the history data .

模拟实验表明它能从整体上有效缓解对历史数据的存储空间释放与查询误差增大之间的冲突。

Simulation experiment shows that it can effectively alleviate the conflict between the reduction of data storage and the reduction of query accuracy about the historical data on the whole .

其中，历史数据的存储和查询是工业组态软件不可或缺的部分，它主要服务于工艺流程的改进、设备性能的维护以及故障原因的诊断。

Among these , it is very important to store and query the historical data , which is mainly used to improve the technology process , device performance maintenance and trouble diagnoses .

在土地管理的过程中产生了大量的历史数据，存储并使用这些与日俱增的大量数据对土地信息系统（地理信息系统）的时空数据管理功能是一个巨大的挑战。

A lot of historical data is produced in land management , but how to manage this data , which is increasing steadily , is still a challenge in GIS / LIS .

为了扩大历史数据的存储以及加快状态监测数据和诊断结果的传输，应用分形插值函数对实验模拟汽轮发电机组故障数据进行了压缩。

In order to enlarge the storage capacity for historic data and to quicken the transimission of condition monitoring data and diagnostic results , fractal interpolation function is used to compress experimental data of turbo-generator simulated faults .

提出以对象变化临界指数确定基态距的方法，对传统的基态修正模型进行了改进，更好地解决了历史数据的存储和检索问题；

Specifically , targeting the existing problems of traditional models built on base state with amendments , this research proposes " critical index of object variation " to determine a base state interval and solves the problems of data store and search .

HIS和RIS应用后，卫生信息数据量呈几何倍速度增加，大量的历史数据被管理存储在服务器里上。

After the application of HIS and RIS , the health information data have increased exponentially and a large number of historical data are stored on the server .

最后，越积越多的历史数据有待我们存储和处理。

Finally , the more historical data needs to be stored and processed .

全程数据采集，实时和历史数据库进行数据存储；

Data collection for the whole process and data storage in real-time database and historical database ;

详细分析了数据采集与处理、数据显示与打印、历史数据查询与存储等软件主要功能模块的特点；

The main modules such as data acquisition and processing , data display and printing , historical data query and memory are analyzed in detail .

越来越多的行业存储了大量的静态历史数据，如何存储管理这些海量数据是当前存储领域研究的热点问题。

More and more industry has stored large amount of static historical data , how to manage the mass data storage is a hot issue of research at current in the storage area .

解决的主要题目是以需求为基本，如何充足采集客户资料和应用客户历史数据以及如何存储大量的客户历史数据的题目。

The subject matter solved is that are based on demand , how gather customer materials and utilize customer historical data and how store a large number of customer historical issue of datum fully .