The temporal distribution characteristics of COSMIC occultation data are analyzed in detail,and the limitations in earthquake-ionosphere anomaly detection cause
Interferometric synthetic aperture radar(InSAR)images reveal deformation around northern Hejin,Shanxi Province.The small baseline subset(SBAS)approach for InSAR-derived deformation indicates that the
In comparison with the ITRF2000 model,the ITRF2005 model represents a significant improvement in solution generation,datum definition and realization.However,these improvements cause a frame differenc