Global Surface Mass Variations from Continuous GPS Observations and Satellite Altimetry Data

by Xinggang Zhang, Shuanggen Jin, Xiaochun Lu
Published 2017-09-01

Automatic Calibration of Process Noise Matrix and Measurement Noise Covariance for Multi-GNSS Precise Point Positioning

by Xinggang Zhang, Pan Li, Rui Tu, Xiaochun Lu, Maorong Ge, Harald Schuh
Published 2020-04-01