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Application of Generalized Extended Interpolation Method in Precise Ephemeris Interpolation
Author(s): 
Pages: 28-30,38
Year: Issue:  2
Journal: Hydrographic Surveying and Charting

Abstract: 在GPS单点定位和相对定位中都需要不断计算卫星的坐标.IGS提供的精密星历为15min间隔,要得到更小间隔的数据,就要进行插值.利用广义延拓插值进行GPS精密星历插值,探讨插值精度与三个参数的关系,并与Lagrange多项式插值和三角插值结果进行比较.结果表明,广义延拓插值法具有较高的精度,完全适用于精密星历的插值.
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