GPS radio occultation measurements on ionospheric electron density from low Earth orbit

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题名:	GPS radio occultation measurements on ionospheric electron density from low Earth orbit
作者:	Tsai,LC;Cheng,KC;Liu,CH
贡献者:	太空及遙測研究中心
关键词:	GLOBAL POSITIONING SYSTEM;VALIDATION;ATMOSPHERE;MODEL
日期:	2011
上传时间:	2012-03-27 17:49:30 (UTC+8)
出版者:	國立中央大學
摘要:	Since the proof-of-concept GPS/Meteorology (GPS/MET) experiment successfully demonstrated active limb sounding of the Earth's neutral atmosphere and ionosphere via GPS radio occultation (RO) from low Earth orbit, the developments of electron density (n(e)) retrieval techniques and powerful processing systems have made a significant progress in recent years. In this study, the researches of ne profiling from space-based GPS RO observations are briefly reviewed. Applying to the Formosat-3/Constellation Observing System for Meteorology, Ionosphere and Climate (FS3/COSMIC) data, we also present a compensatory Abel inversion technique including the effects of large-scale horizontal gradients and/or inhomogeneous ionospheric n(e) obtained from an improved near real-time phenomenological model of the TaiWan Ionospheric Model. The results were evaluated by the ionosonde foF2 and foE data and showed improvements of rms foF2 difference from 29.2 to 16.5% in relative percentage and rms foE difference from 54.2 to 32.7% over the standard Abel inversion.
關聯:	JOURNAL OF GEODESY
显示于类别:	[太空及遙測研究中心] 期刊論文

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