Extraction of electron density profiles with geostationary satellite-based GPS side lobe occultation signals
Extraction of electron density profiles with geostationary satellite-based GPS side lobe occultation signals
复制标题
利用基于地球静止卫星的 GPS 旁瓣掩星信号提取电子密度剖面
DOI:
10.1007/s10291-019-0903-6
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发表时间:
2019-08
期刊:
影响因子:
4.9
通讯作者:
Jiang Kecai
中科院分区:
文献类型:
--
作者:
Li Wenwen;Li Min;Zhao Qile;Shi Chuang;Wang Meng;Fans Min;Wangs Hong;Jiang Kecai
GPS radio occultation (RO) measurements recorded on the geostationary earth orbit (GEO) satellite TJS-2 have been investigated for electron density profile (EDP) retrieval. The total electron content derived from TJS-2 single-frequency excess phase is refined by a moving average filter to smooth high-frequency errors, which outperforms the single-difference technique. The side lobe GPS RO signals have been used to estimate electron densities up to several thousand kilometers in height for the first time. By comparison with the ground-based digisonde, the IRI 2016 model and the Constellation Observing System for Meteorology, Ionosphere, and Climate satellite (COSMIC) EDPs, the TJS-2 ionospheric EDPs show good agreement with correlation coefficients exceeding 0.8. The TJS-2 average NmF2 differences compared to digisondes and COSMIC results are 12.9% and 1.4%, respectively, while the hmF2 differences are 1.65 km and 1.76 km, respectively. Our results reveal that GEO-based RO signals can estimate EDPs to altitudes up to several thousand kilometers at specific locations with daily repeatability, which makes it a very suitable technique for routinely monitoring EDP variations.
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影响因子:
4.9
作者:
W. Schreiner;C. Rocken;S. Sokolovskiy;D. Hunt
通讯作者:
W. Schreiner;C. Rocken;S. Sokolovskiy;D. Hunt
影响因子:
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作者:
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DOI:
10.1016/j.jastp.2013.08.024
发表时间:
2013-11
影响因子:
1.9
作者:
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通讯作者:
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影响因子:
4.9
作者:
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通讯作者:
G. B. Larsen;S. Syndergaard;P. Høeg;M. Sørensen
影响因子:
4.4
作者:
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通讯作者:
A. Krankowski;I. Zakharenkova;A. Krypiak-Gregorczyk;I. Shagimuratov;P. Wielgosz