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GPS Height Conversion by Artificial Neural Network Method
Author(s): 
Pages: 49-51
Year: Issue:  2
Journal: Geotechnical Investigation & Surveying

Keyword:  神经网络 GPS高程 正常高 高程异常 高程转换;
Abstract: 本文介绍了用神经网络方法转换GPS高程为正常高 ,给出了一种BP神经网络的拓扑结构和算法 ,并与二次多项式曲面拟合方法作了比较分析。经实例验证 ,在较大范围内 ,用神经网络方法转换GPS高程优于二次曲面拟合方法 ,所获得的正常高可满足各种大比例尺测图的精度要求 ,具有一定的实用价值
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