基于BP神经网络算法的GPS水准高程转换
Conversion of GPS Height Based on BP ANNs
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摘要: 提出了一种基于BP神经网络算法的GPS水准高程转换方法,该方法是对现有基于BP神经网络GPS水准高程转换方法的改进。考虑了重力长波项和地形改正项等因素对GPS水准高程转换的影响,并拓展了其应用范围,使其不仅在平坦地区而且在起伏较大的丘陵地区也可以得到较高的精度。该方法在一定程度上能够克服重力信息缺失的困难,具有一定的实际参考价值。Abstract: A new method to convert GPS llelght with EGM96 and terrain correction is pro—posed in this paper,which is the improvement from the classie one based on BP ArtificialNeural Networks even with a larger scope:in not only plain area but also hilly area.The ob—served gravity data is unnecessary due to cost savings at the expense of accuracy.
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