Establishment of Region Ionospheric Delay Model in China Based on
a Polynomial Model with Restrictive Conditions
1 uangxi Scientific Experiment Center of Mining, Metallurgy and Environment, 12 Jiangan Road,Guilin 541004, China
2 ollege of Geomatic Engineering and Geoinformatics, Guilin University of Technology, 12 Jiangan Road,Guilin 541004, China
3 uangxi Key Laboratory of Spatial Information and Geomatics, 12 Jiangan Road,Guilin 541004, China
Abstract Using the observed data of IGS stations, a Chinese regional ionospheric delay model is established using a least squares polynomial model with restrictive conditions. Additional restrictive conditions are imposed in the spatiotemporal domain on the model, in order to improve the model’s continuity. As a result, the polynomial model with restrictive conditions can somewhat more accurately reflect the time-varying characteristics of the ionosphere. We can use the model research and analysis to determine diurnal variation and seasonal variation characteristics of region ionospheric delay in China.
CAI Chenghui,LIU Lilong,LI Junyu et al. Establishment of Region Ionospheric Delay Model in China Based on
a Polynomial Model with Restrictive Conditions[J]. jgg, 2015, 35(6): 1007-1011.
CAI Chenghui,LIU Lilong,LI Junyu et al. Establishment of Region Ionospheric Delay Model in China Based on
a Polynomial Model with Restrictive Conditions[J]. jgg, 2015, 35(6): 1007-1011.
