查询词典 macro data

The paper summarizes theories and practices concerning data mining at the beginning. According to actual conditions of data forecasting, the paper particularizes two basic tasks in data mining, namely, exploring data analysis and forecasting modeling for classification, and employs them in load forecasting practically. Then a special short-term load-forecasting arithmetic is forwarded based on the former work, which can efficiently take into account weather effects on the load, and hence improve the accuracy of load forecasting.

本文概述了数据挖掘技术的有关内容；并针对负荷预测的实际情况，详细介绍了数据挖掘中的两个基本任务：探索性数据分析和用于分类的预测建模，并将其运用于负荷预测之中；根据所得结果提出了一种基于数据挖掘的短期负荷预测算法，该算法能够有效的考虑气象因素对负荷的影响，从而提高了负荷预测的精度。

A method for rewriting onto a disk medium capable of being rewritten a limited number of times, comprises the steps of: encoding as data blocks all programs to be recorded; writing any encoded program onto a track on the disk medium as a given sequence of encoded data blocks; and, precessing along the track when overwriting the given sequence of encoded data blocks with a subsequent sequence of encoded data blocks.

一种用于写入和重写到能够被重写仅仅有限次数的盘媒体上的按照本发明方案的方法，包括步骤：将要记录的所有节目编码为数据块；将任何编码的节目的至少一部分写入到所述盘媒体上的轨道上作为所述编码的数据块的给定的序列；和当以编码的数据块的后续序列重写所述的编码的数据块的给定的序列时，沿着所述轨道旋进。

A data precessing method is provided through constructing the power transformer fault information data warehouse, based on analyzing and reorganizing the various existing data sources, the transformer failure diagnosis and early failure predication can be benefit from OLAP (On-Line Analysis Processing) and data mining technology.

为了进行变压器状态和故障自动预测，以及便于维护人员对于变压器状态进行人工预测，提出了构建电力变压器数据仓库的数据处理思想，在对有关变压器信息的多种数据源进行分析和重新组织的基础上，利用联机分析处理和数据挖掘技术，可对变压器故障诊断和早期故障预测起到积极作用。

The electric control system of theodolite and tracking sensors' characteristics is investigated deep. Based on these characteristics and data fusion structure theory, the data fusion structure in the theodolite system is advanced. The theory method of multi-sensor data fusion is studied deep. And more, the estimate theory of data fusion is applied concretely to the theodolite with the aim of prognosticating the object state.

本文首次提出了将多传感器数据融合技术应用到光电经纬仪系统中，在深入研究光电经纬仪电控系统和跟踪传感器特性基础上，并结合数据融合结构理论，提出了光电经纬仪跟踪测量系统数据融合结构；深入研究了多传感器数据融合的理论方法，并实验研究了数据融合的估计理论在光电经纬仪中的应用，目的是实现对目标状态的预测。

Methods Based on Web service heterogeneous system integration technology, data crawling robot technology, data center core technologies related to the data center, data center of sanatoriums was built.

分别基于Web Service的异构系统整合技术、数据机器人的数据抓取技术、数据中心建设的相关核心技术来构建疗养院的数据中心。

The acquisition date of ETM+ is October 29, 1999. We get digital elevation model data from (1∶)250 000 topography map of Minhe area. The format of DEM is MapInfo exchange format *.mif which converted to coordinate. After primary treatment of the raw data, the DEM data is derived from the contour line. The ETM+ scenes are rectified using the DEM and sun-illumination model. NDVI and other three indexes from Tasseled Cap transform were calculated from RS data.

依据其理论方法，对青海省民和地区的遥感数据--ETM+进行了分类，选用的ETM+数据为1999年10月份数据，数字高程数据来自于1：25万民和幅地形图，数据格式为MapInfo通用格式MIF，数据进行了坐标转换，对原始数据进行了处理，从等高线中提取数字高程。

A few of the data tools are data modeling, data warehouses, and data mining.

阿的数据工具少数人数据建模，数据仓库和数据挖掘。

Data processing software kit can process charge data. We can see examine real time curve and monitor data. Change curve of voltage and current and test data chart cab be displayed, previewed, printed. It can provide the battery basis that can adjust battery performance for tester.

配套的数据处理软件可对充电数据资料进行处理，可查看实时曲线、实时监控数据，显示、预览、打印电压和电流变化曲线、检测数据报表等，给检测人员提供判断电池组优劣的依据。

In the end of this thesis, the data independent detection model of exchange ratedata stream is built. Then, the algorithm provided in this thesis is used on the model to solve the problem of detecting the abnormal data block in exchange rate data stream. Experimental data are also provided.

最后，本文根据实时汇率数据流的特点，建立了数据点相互无关的实时汇率数据流的检测模型，然后采用本文提出的数据流的变化检测算法解决实时汇率数据流的异常检测问题，并给出了实验结果。

The method includes acquiring with the frequency meter the tested clock signal and measuring its frequency; sending the tested frequency value to the data acquisition and processing module for calculation and processing regularly; and processing the frequency data comprehensively in the data processing output module and displaying output figure and historical data.

所述的方法包括：首先，频率计采集待测时钟信号，并测试其频率值；然后，频率计定时将测试得到的待测时钟信号的频率值发送给数据采集处理模块进行计算处理；最后，数据输出处理模块对接收数据采集处理模块处理后的频率数据进行综合处理，并将获取的图形数据和历史数据显示输出。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。