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The Research on Seabed Topography Grid Accuracy Index
Author(s): LI Qingwei, GAO Wangjun, MA Hongwei
Pages: 59-
62
Year: 2018
Issue:
6
Journal: Hydrographic Surveying and Charting
Keyword: 海底地形; 规则格网; 精度指标; 数据分析; 中误差;
Abstract: 海底地形不易进行实地探测及核实,海底地形格网数据产品精度指标的确定不具备实地核实的条件,为了确定海底地形格网数据精度指标,通过大量的数据实验,分析得出单位面积内,一定比例的极值水深差值的平均值与海底地形之间有一定的线性关系,从而提出了通过单位面积水深插值来划分海底地形的一种量化方式,并依据实验数据,分析误差规律,给出了海底地形格网数据中误差的精度指标及方法.
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