This paper describes the technique of applying navigation aid for aerogeophysical survey to acquiring DTM data and, combined with practical field work, systematically analyses the sources for errors in DTM data and deals with the means for raising precision.
于长春, 熊盛青, 董继国. 数字地形模型数据获取方法及精度分析[J]. 物探与化探, 2001, 25(3): 168-202.
YU Chang-chun, XIONG Sheng-qing, DONG Ji-guo . THE TECHNIQUE FOR ACQUISITION OF DTM DATA AND AN ANALYSIS OF ITS PRECISION. Geophysical and Geochemical Exploration, 2001, 25(3): 168-202.