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@ARTICLE{2021AdSpR..68.2218Z,
author = {{Zhang}, Man-Lian and {Liu}, Libo and {Li}, Qiaoling},
title = "{Modeling the global ionospheric electron densities based on the EOF decomposition of the ionospheric radio occultation observation}",
journal = {Advances in Space Research},
keywords = {Ionospheric empirical modeling, EOF analysis, Ionospheric electron density, Radio occultation Ne profile},
year = 2021,
month = sep,
volume = {68},
number = {5},
pages = {2218-2232},
doi = {10.1016/j.asr.2020.09.033},
adsurl = {https://ui.adsabs.harvard.edu/abs/2021AdSpR..68.2218Z},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}