APPLICATION OF QUINTIC SPLINE INTERPOLATION TO\=[JZ] GPS SATELLITE ORBIT STANDARDIZATION
Sun Huali; Zhang Zhengzhi; and Hu Sicai
Troops 61920 of PLA, Chengdu 610505
Abstract A spline interpolation can obtain higherlevel smoothness using lowerlevel polynomial. In GPS position calculation, if we use suitable method to supply boundary conditions, the spline interpolation function which has better convergence and stability can be proposed. The quintic spline interpolation algorithm is introduced and standardized satellite orbit based on GPS broadcast ephemeris is calculated. The experimental results show this method has higher accuracy of approximation and better smoothness, can avoid some shortcomings compared with other interpolation methods.
Key words ：
GPS
broadcast ephemeris
quintic spline interpolation
satellite coordinate
orbit standardization
Received: 01 January 1900
Corresponding Authors:
Sun Huali
Cite this article:
Sun Huali,Zhang Zhengzhi,and Hu Sicai. APPLICATION OF QUINTIC SPLINE INTERPOLATION TO\=[JZ] GPS SATELLITE ORBIT STANDARDIZATION[J]. , 2012, 32(1): 76-79.
Sun Huali,Zhang Zhengzhi,and Hu Sicai. APPLICATION OF QUINTIC SPLINE INTERPOLATION TO\=[JZ] GPS SATELLITE ORBIT STANDARDIZATION[J]. jgg, 2012, 32(1): 76-79.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2012/V32/I1/76
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