Realization and Analysis of GPS Precise Clock Products
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Abstract
The method of GPS satellite precise clock estimation is investigated and the contribution of pseudorange and phase measurements in GPS satellite precise clock estimation is analyzed.Based on the PANDA software,about 40 IGS stations are used to estimate the GPS precise clock.The results indicate that the difference of the PANDA clock results from the IGS finial precise clock products is better than 0.2ns,which is the same accuracy level of all IGS analysis centers.
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