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Discussion of Some Problims about Accurate Calculation of Sea Area
Author(s): 
Pages: 64-67
Year: Issue:  1
Journal: OCEAN TECHNOLOGY

Keyword:  海域地理信息系统误差数字化;
Abstract: 海域面积精确计算是实现海洋功能区划的基础和关键之一.本文通过对江苏省海洋功能区划工作中误差的分析,并针对其产生原因,在地图投影的选择和坐标的变换、扫描精度的控制、配准精度的控制、图象的数字化和图形编辑等方面,提出了相应的优化处理方法,提高了海域面积计算的精度,将其中误差控制在估计值范围内,从而在实际工作中有一定的应用价值.
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