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Issue:
Determination of Integral Radius in Gravitational Terrain Corrections
Author(s):
SUN Xuejie
,
JIN Shaohua
Pages:
173
-
175
Year:
2010
Issue:
3
Journal:
Journal of Zhengzhou Institute of Surveying and Mapping
Abstract:
在局部重力地形改正中,积分半径取值多大才算合适直接影响到数据准备工作量和实际计算工作量的大小.研究了重力地形改正与数字地形模型DTM数据先验信息之间的关系;给出了确定局部地形改正积分半径的方法--方差法.数值试验结果表明,采用方差法确定重力地形改正积分半径是合理的.
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