摘要
文章针对当前地理空间数据整合与持续高效更新所存在的问题,在地理空间数据更新中引入了"数据同化"这一思想和概念,对持续高效更新存在的问题及"地理空间数据同化"的涵义和关键技术进行了论述。
Article for the current geospatial data integration and sustainable and efficient update of the problems in the geo-spatial data updating the concept of "data assimilation" of the ideas and concepts, sustainable and efficient update on the problems and "geospatial data assimilation," meaning and key technologies are discussed.
出处
《湖南农机(学术版)》
2011年第5期137-138,共2页
Hunnan Agricultural Machinery
关键词
地理空间数据
空间数据更新
数据同化
地理事件
geographical spatial data
spatial data update
data assimilation
geographical events