Global ionospheric Kriging interpolation and precision analysis by considering gross error

doi:10.11947/j.AGCS.2019.20180049

Abstract

Abstract: The Kriging interpolation is affected by the gross error data and its global applicability is unknown for ionospheric data. Based on the variation function, the gross error elimination statistics of the TEC is created for automatic gross error elimination. Using the global ionosphere TEC grid products, the analysis results show that:① The gross error can be eliminated effectively, and the interpolation accuracy is equivalent to the sample accuracy. ② The accuracy of Kriging global interpolation is 1.0~5.0 TECU at different latitude regions, different times.

Key words: Kriging interpolation, total electron content, global interpolation, gross error elimination, accuracy analysis

CLC Number:

P228

ZHU Yongxing, TAN Shusen, DU Lan, JIA Xiaolin. Global ionospheric Kriging interpolation and precision analysis by considering gross error[J]. Acta Geodaetica et Cartographica Sinica, 2019, 48(7): 840-848.

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