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A new method for prediction of long-term satellite clock error
Author(s): 
Pages: 73-76
Year: Issue:  9
Journal: Geotechnical Investigation & Surveying

Keyword:  satellite clock error forecastingcollocationscovariance functiontwo steps’ minimization;
Abstract: After reviewing the quadratic polynomial model used to predict long-term satellite clock error,a collocation method to estimate satellite clock bias is established by considering the random part of satellite clock bias based on the scale of day.The coefficients of covariance function of the collocation are fitted by data residuals.Finally,based on the two steps’ minimization,the model is confirmed to have a good performance in the short term prediction of clock bias and can be also served as a new interpolation method by comparing with common algorithms of clock bias prediction.
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