城市建设理论研究 关键词：四等水准；gps；大地高；正常高；高程转换；高程 [gap=110]keywords: fourth class level; gps; geodetic height; normal; height conversion; elevation
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There are many conversion models for GPS height conversion,such as polynomial,BP neural network and multi-quadrics fitting.
常用GPS高程转换方法有多项式、BP神经网络和多面函数拟合法等,他们各有特点和适用范围。
参考来源 - 基于最小二乘支持向量机的区域GPS高程转换组合It introduces the Normalization of Bayesian algorithm based on M×N network to GPS elevation conversion,and the results has high quality,stable net and more real time.
提出用贝叶斯归一化算法基于M×N的网络结构进行GPS高程转换,该网络转换结果精度高、网络性能稳定、实时性好。
参考来源 - 基于人工神经网络的GPS高程异常拟合方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
本文采用广义延拓法进行卫星精密星历插值、卫星精密钟差插值和GPS高程转换。
The thesis uses the generalized extended interpolation method in precise satellite ephemeris and clock bias interpolation and GPS height fits.
在GPS高程转换中，为了减少对已知高程点的需求量，本文引用了地球重力场模型。
This paper deals with the application of earth gravity field model in GPS height transformation in order to decrease the demand in bench marks.
本文采用二次曲面拟合、BP网络和RBF网络进行了GPS高程转换，并在网络结构改进等方面作了分析。
In this paper, the fifing method which stimulates the Geoid using quadric polynomial, BP network and RBF network are provided for the GPS height conversion.
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