supported by the Program of"One Hundred Talented People"of the Chinese Academy of Sciences;the National Natural Science Foundation of China(Grant Nos.11273046,11173049 and 40974018);the National High Technology Research and Development Program of China(Grant No.2013AA122402);IGS community is acknowledged for providing Rinex data and orbit and clock products
High frequency multi-GNSS zero-difference applications like Precise Orbit Determination (POD) for Low Earth Orbiters (LEO) and high frequency kinematic positioning require corresponding high-rate GNSS clock correc...
supported by the National Natural Science Foundation of China(40974018);Nationa l863 Plan Projects(2009AA12Z307)
The simultaneous iterations rithms of the ART family. It is used reconstruction technique (SIRT) widely in tomography because of is one of several reconstruction algoits convenience in dealing with large sparse matr...