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Retrieval and validation of ionospheric measurements from COSMIC radio occultation
Xu XianSheng1; Hong ZhenJie2; Guo Peng3; Liu RongJian2
2010
Source PublicationACTA PHYSICA SINICA
ISSN1000-3290
Volume59Issue:3Pages:2163
AbstractThe relative total electron content (TEC) is obtained through the combination of COSMIC radio occultation ionospheric measurements L1 and L2 phase. The TEC data are then calibrated by non-occultation observation data on the auxiliary side to remove portion of TEC above the LEO orbit altitude. The electron density profile can be retrieved from TEC by Abel integral transformation, with a spherically symmetric assumption of electron density and an approximation of signal straight-line propagation. The computation standard deviation of F(2)-layer critical frequency f(0)F(2) is about 0.59 MHz, and the standard deviation of F(2)-layer peak altitude h(m)F(2) is about 33.08 km, as through comparing 4903 COSMIC ionospheric occultation profiles with those from ionosonde stations, of which the longtitude deviations are less than 10 degrees, the latitude deviations are less than 2 degrees.
KeywordCOSMIC GPS/LEO radio occultation ionosonde ionospheric retrieval
Language英语
Funding Project[National High Technology Research and Development Program of China] ; [National Natural Science Foundation of China] ; [Zhejiang Provincial Natural Science Foundation, China]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/67121
Collection中国科学院国家天文台
Affiliation1.Shanghai Univ, Shanghai Institute Appl Math & Mech, Shanghai 200030, Peoples R China
2.温州大学
3.中国科学院国家天文台
Recommended Citation
GB/T 7714
Xu XianSheng,Hong ZhenJie,Guo Peng,et al. Retrieval and validation of ionospheric measurements from COSMIC radio occultation[J]. ACTA PHYSICA SINICA,2010,59(3):2163.
APA Xu XianSheng,Hong ZhenJie,Guo Peng,&Liu RongJian.(2010).Retrieval and validation of ionospheric measurements from COSMIC radio occultation.ACTA PHYSICA SINICA,59(3),2163.
MLA Xu XianSheng,et al."Retrieval and validation of ionospheric measurements from COSMIC radio occultation".ACTA PHYSICA SINICA 59.3(2010):2163.
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