Comparative Study on GPS Height Fitting Models Based on Kriging Estimation

Zhi Hong Niu; Meng Bo Song; Ji Qin Chen

doi:10.4028/www.scientific.net/AMM.170-173.2999

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 170-173Comparative Study on GPS Height Fitting Models...

Comparative Study on GPS Height Fitting Models Based on Kriging Estimation

Abstract:

Currently, the study on GPS height determination is mainly focused on changing GPS geodetic height into normal height by applying to mathematical models to fit a quasi-geoid and calculate the height anomaly value with high degree of accuracy. This paper illustrates the basic principles of Kriging Method GPS Height Fitting, Kriging Method GPS Height Fitting Based on Polynomial Surface, and Kriging Method GPS Height Fitting Based on Wavelet Analysis, and carries out a comparative experimental study by using the measured data of GPS control network. The results show that the fitting accuracy of the collective model based on Kriging Method is better than that obtained only through a single Kriging Method, and the GPS height fitting accuracy obtained through Kriging Method Based on Wavelet Analysis is the most accurate.

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Periodical:

Applied Mechanics and Materials (Volumes 170-173)

Pages:

2999-3008

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.170-173.2999

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Online since:

May 2012

Authors:

Zhi Hong Niu, Meng Bo Song, Ji Qin Chen

Keywords:

Height Fitting, Kriging Estimation, Polynomial Surface, Wavelet Analysis

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References

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