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Method of Gross Error Detection in GPS Height Transformation
Author(s): 
Pages: 56-58,62
Year: Issue:  4
Journal: Geotechnical Investigation & Surveying

Keyword:  GPS 大地高 高程转换 粗差探测;
Abstract: GPS高程转换中,大地高的精度将直接影响转换后正常高的精度,为此大地高的粗差探测是比较重要的一个环节。本文利用空间直角坐标和大地坐标的转换公式以及两者之间的微分关系式,来推求任意闭合环的大地高差闭合差,该方法可实现利用不同的闭合环的闭合差来探测和定位大地高粗差。算例结果表明,该方法是有效的。
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