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- data pre processing 数据预处理
- Data of SWEM include spatial data and table data. 水土保持监测数据根据数据格式划分，可分为空间数据和表格数据。
- In spatial data processing,, we use the simple and scientific methods for the esta-blishment of DTM and the vector-raster conversion in order to handle large volumes ofdate. 空间数据处理中的DTM的建立和多边形栅格化都采用了较简单而科学的方法,以便在微机上可运算数据量较大的数字地图。
- The function and performance features of a PCI based multi channel parallel pre processing high speed data acquisition module P16ADC32 are described in details,as well as its working principle,working process and software design. 介绍了基于PCI总线的多通道并行预处理高速数据采集模板P16ADC32的功能和性能指标 ,工作原理 ,工作过程 ,及其软件设计
- The model can be used to check and maintain quality of spatial data, and provide process and evaluation methods of spatial relations for automatic cartographical generalization. 该模型可以用于检验和维护空间数据质量、为地图自动综合提供空间关系处理和评价方法的参考。
- The simulation system support software of 50MW electric plant is composed of pre process modular ,run &debug modular and communication-driving modular. 50MW热电厂仿真系统支撑软件由预处理模块、模型运行调试模块、硬件调试模块、通信驱动模块四部分组成。
- This thesis analyzes the importance and process of progressive transmission,the effects of progressive transmission to network,the structure of spatial vector data and spatial data interaction between client and server. 文章介绍了使用渐进传输的原因,并具体分析了渐进传输过程、采用渐进传输对网络的影响、空间矢量数据渐进传输的数据结构及客户端与服务器数据交互过程。
- The system can accomplish figure data management, attribute data management and spatial data analysis. 该系统是一个集图形数据管理、属性数据管理和空间数据分析为一体的管理信息系统。
- A GIS is often used to store, retrieve, and render this Earth-relative spatial data. GIS系统通常用于存储，查询，及绘制空间信息。
- The sensitivity,selectivity,accuracy and separability for the image pre processing circuit of multi sensor system are analysed completely and the upper bounds of the accuracy and sparability are obtained using the matrix norm. 对多传感器系统预处理部分的灵敏度、选择性、精度及分离性作了全面分析，并引用矩阵范数证明了估计精度和分离性的上界。
- Spatio-temporal DBMS (database management system) is a DBMS which can handle the temporal data and the spatial data. 时空数据库管理系统(Spatio-Temporal DBMS)是能够同时处理时态数据和空间数据的数据库管理系统。
- The abstract data model(ADT) of spatial data,vector and raster,is defined firstly based on basic types. 首先基于基本类型派生定义矢量和栅格抽象数据类型,在此基础上定义时空数据类型为一系列空间类型的时间片序列。
- Basic frame of the computer simulation system for 3D flow of profile extrusion die was established. Its modules and functions were introduced. This system consists of 3 modules,which are pre process module,3D FEM simulation module and post-process module. 建立了异型材口模挤出三维流动计算机模拟系统的基本框架 ,介绍了其结构和功能 ,该系统主要包括前置处理、有限元分析和后置处理三大模块 ,有限元分析模块又包括对口模内幂律流体流动的分析模块、粘弹性PTT流体流动的分析模块以及粘弹性PTT流体三维挤出胀大的分析模块 ;
- Abstract：Spatial data quality is the basis of cadastral data's updating, query and analysis. 摘要：地籍空间数据质量是地籍数据更新、信息查询与分析的基础。
- GIS software has strong treatment ability of spatial data and the attribute data. 摘要GIS具有强大的空间数据和属性数据的处理能力。
- Lighting,occlusion and BRDF functions are pre processed on Haar wavelet basis in PRT framework. 在PRT框架下，利用小波变换对光照、遮挡、BRDF等函数进行预处理。
- The GML-based spatial data exchange model and SVG-based information visual model are proposed. 提出了基于GML空间数据交换和基于SVG的信息可视化模型。
- In Macao, a spatial data set is maintained by DSCC for the desktop application of GIS and web-GIS. 在澳门，DSCC 为GIS 和网GIS的桌面应用程序保持空间数据集合。
- A hybrid 3D spatial data model based on multi-DEMs and quasi tri-prism volume(QTPV) is proposed. 提出一种基于多层DEM与似三棱柱体元(QTPV)的混合三维数据模型。
- With the interfaces of partition communication subsystem and some pre processings, the remote procedure calls in distributed Ada language system are implemented. 在此基础上 ;通过一些前置处理 ;并利用已实现的分区通信子系统的接口 ;实现了分布式 Ada语言系统 .
