A NEW METHOD FOR LONG-TERM PREDICTION OF SATELLITE CLOCK ERROR
Xu Junyi 1,2) ; and Dai Wei 1)
1)Institute of Surveying and Mapping, Information Engineering University, Zhengzhou 4500522)Xi’an Information Technique Institute of Surveying and Mapping, Xi’an 710054
Abstract A new way which can be used to forecast the clock error by the traditional quadratic polynomial model based on the scale of day, then the output values is interpolated by Lagrange interpolation polynomial to form the final forecasting results is proposed. The results show that the new method can significantly improve the accuracy of longterm satellite clock error prediction.
Key words ：
Lagrange interpolation
quadratic polynomial
grey model
satellite clock error
clock error forecasting
Received: 01 January 1900
Corresponding Authors:
Xu Junyi
Cite this article:
Xu Junyi, and Dai Wei . A NEW METHOD FOR LONG-TERM PREDICTION OF SATELLITE CLOCK ERROR[J]. , 2009, 29(6): 97-100.
Xu Junyi, and Dai Wei . A NEW METHOD FOR LONG-TERM PREDICTION OF SATELLITE CLOCK ERROR[J]. jgg, 2009, 29(6): 97-100.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2009/V29/I6/97
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