Supported by the National Natural Science Foundation of China (No.40604003, 40474001). Acknowledgements: We are grateful to the ISDC of the GFZ Potsdam for providing the data and to Gerlach C. and Svehla D. at the TUM for the kinematic orbits.
An efficient method for gravity field determination from CHAMP orbits and accelerometer data is referred to as the energy balance approach. A new CHAMP gravity field recovery strategy based on the improved energy bala...
Supported by the National Natural Science Foundations of China (No. 40474001, No. 40274002, No. 40604003).
Three functional models, polynomial, spectral analysis, and modified AR model, are studied and compared in fitting and predicting clock deviation based on the data sequence derived from two-way satellite time and freq...