数据质量控制 meaning in English
dqc data quality control
Examples
- In this paper , the theories and techniques of data quality control are thoroughly studied by taking pudong construction and management geographic information system ( js - gis ) , including error analysis and accuracy evaluation of digitized data , sample tests of housing surveying product , the principle and method of disfigurement measurement of attribute data based on sampling theories , and total quality control techniques of gis data . these methods are implemented in the construction of js - gis . the main contents are as follow : 1
本论文以浦东建设管理地理信息系统( js _ gis )为例对gis数据质量控制的一些具体内容进行了研究，包括数字化数据误差分析以及精度评定、房产测量成果的抽样检验、属性数据缺陷率度量的抽样原理和方法、 gis数据的全面质量控制方法，并将这些方法应用于js _ gis中，主要内容有： 1 、介绍js _ gis的系统组成，对js _ gis中数据的主要构成以及数据采集进行分析。 - Finally , some key technology and realizing means about spatial data processing is discussed . in the conclusion part of the thesis , some results are given as follows : ( 1 ) a practical system design of " land utilization alteration survey information system " is provided ; ( 2 ) spatial data quality control is explored and realized by programming ; ( 3 ) spatial topology relation is analyzed and researched , and some idea of the checking spatial topology relation is provided and realized ; ( 4 ) the data transforming and exchange between maplnfo and cnsdtf is solved
最后本文得到了如下一些结果： ( 1 )提出了一个实际可行的“土地利用变更调查信息系统”的系统分析设计方案； ( 2 )对实现空间数据质量控制进行了探索和编程实现； ( 3 )对空间拓扑关系进行了分析和研究，并提出了基本方案，实现了部分空间拓扑关系的检查； ( 4 )解决了mapinfo与cnsdtf之间的数据交换问题。