Intro; Preface; Conference Topics; Editorial Board; Topic: S01: Satellite Navigation Applications; Chairman; Vice-chairmen; Topic: S02: Navigation and Location-Based Service; Chairman; Vice-chairmen; Topic: S03: Satellite Navigation Signal and Signal Processing; Chairman; Vice-chairmen; Topic: S04: Satellite Orbit and System Error Processing; Chairman; Vice-chairmen; Topic: S05: Spatial Frames and Precise Positioning; Chairman; Vice-chairmen; Topic: S06: Time Primary Standard and Precision Time Service; Chairman; Vice-chairmen; Topic: S07: Satellite Navigation Augmentation Technology

ChairmanVice-chairmen; Topic: S08: Test and Assessment Technology; Chairman; Vice-chairmen; Topic: S09: User Terminal Technology; Chairman; Vice-chairmen; Topic: S10: PNT System and Multi-source Fusion Navigation; Chairman; Vice-chairmen; Topic: S11: Anti-interference and Anti-spoofing Technology; Chairman; Vice-chairmen; Topic: S12: Policies, Regulations, Standards and Intellectual Properties; Chairman; Vice-chairmen; Scientific Committee; Chairman; Vice-chairmen; Executive Chairmen; Committee Members; Executive Members; Organizing Committee; Directors; Deputy Directors; Secretary-General

Deputy Secretary-GeneralCommittee Members; Contents; Satellite Orbit and System Error Processing; Calculating the Mean Orbit Elements of Navigation Satellites Using Hilbert-Huang Transformation; Abstract; 1 Introduction; 2 Mean Orbit Elements Calculation; 2.1 Analytical Method; 2.2 Harmonic Decomposition; 2.3 Hilbert-Huang Transformation; 3 Analysis of Algorithms; 3.1 Dynamic Perturbation; 3.2 Empirical Mode Decomposition; 3.3 HHT Perform; 4 Calculation Results; 4.1 EMD Decomposition; 4.2 Frequency Analysis; 4.3 Mean Orbit Elements Evolution; 5 Conclusions; References

GNSS Orbit Prediction with Enhanced Solar Radiation Pressure ModelAbstract; 1 Introduction; 2 Performance of Our Daily Adjusted Orbits; 3 Evaluation of GNSS Orbit Predictions; 4 Summary and Conclusion; Acknowledgments; References; A Method for Improving the Short-Term Prediction Model for ERP Based on Long-Term Observations; Abstract; 1 Introduction; 2 The Principle of AIC; 3 Improved LS Models for ERP Prediction; 4 ECLS+MAR Prediction Model; 5 Experiments and Analyses; 6 Conclusions and Prospects; Acknowledgments; References; An Improved Method for BDS Inter-frequency Clock Bias Estimation

Abstract1 Introduction; 2 IFCB Estimation; 2.1 Traditional Approach of IFCB Estimation; 2.2 Improved IFCB Estimation Based on Network Solution; 3 Experiment Setup; 4 IFCB Results and Analysis; 4.1 BDS IFCB and Station IFCB; 4.2 Effect of IFCB on PPP; 5 Conclusions; Acknowledgement; References; A Tightly Combined BDS and GPS Method for RTK Positioning with Triple-Frequency Widelane Combinations; Abstract; 1 Introduction; 2 Methods; 2.1 EWL/WL Ambiguity Resolution Model; 2.2 Inter-system Model of BDS and GPS with WL Combination; 3 Results of EWL/WL Ambiguity Resolution