【摘要】 以分析数据库的空间数据、属性数据特性为基础,对土地利用数据库建立中各个环节(数据预处理、数据采集输入、处理、存储、输出等)影响数据质量的过程和因素进行了分析和探讨,针对各环节制订出相应的限差要求和技术方案,形成了适用、可行的数据质量控制措施和解决方案.更多还原

【Abstract】 On the basis of space data and property data analysis of the databas e,in the land-use database construction of various links(data preprocess,data collect and input,process,storage,output etc),this paper analyzed and inqui red into the processes and factors which influence data quality in database cons truction of the land-use,formulated appropriate err-limit requirements and te chnical plan for every link,and formed applicable and feasible measures of data quality control and soluble schemes.更多还原