Accurate Estimation of Height and Zonal Drift Velocity of Ionospheric Irregularities Using Two Pairs of Receivers and BeiDou Geostationary Satellites

被引：0

作者：

Zhong, Jiahao ^{[1
,2
]}

Han, Hao ^{[1
,2
]}

Hao, Yongqiang ^{[1
,2
]}

Wan, Xin ^{[1
,2
]}

Huang, Fuqing ^{[3
]}

Li, Qiaoling ^{[4
]}

Song, Xingyan ^{[1
,2
]}

Chen, Jiawen ^{[1
,2
]}

Lei, Jiuhou ^{[3
]}

机构：

[1] Sun Yat Sen Univ, Sch Atmospher Sci, Planetary Environm & Astrobiol Res Lab PEARL, Zhuhai 519082, Peoples R China

[2] Minist Educ, Key Lab Trop Atmosphere Ocean Syst, Zhuhai 519082, Peoples R China

[3] Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Geospace Environm, Hefei 230026, Peoples R China

[4] Shandong Univ, Inst Space Sci, Sch Space Sci & Phys, Shandong Key Lab Opt Astron & Solar Terr Environm, Weihai 264209, Peoples R China

来源：

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING | 2023年 / 61卷

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Global navigation satellite system; Receivers; Electron mobility; Plasmas; Spaceborne radar; Laboratories; Indexes; Geostationary orbit (GEO); height of plasma bubble; ionospheric irregularity; scintillation; zonal drift velocity; PLASMA BUBBLES; SCINTILLATION; REGION;

D O I：

10.1109/TGRS.2023.3326441

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

This article presents a new method for accurately estimating the height and zonal drift velocity of ionospheric irregularities, based on crossed signal paths from two BeiDou geostationary satellites to two ground-based receivers. The ratio of distances between different signal paths varies with altitude, and irregularities' height can be identified according to observed arrival times of ionospheric irregularities among signal paths. The proposed method is an improvement of the conventional way with an assumed fixed height of about 350 km for the nocturnal ionospheric irregularities. We present two cases with estimated irregularities heights of 284 and 403 km, respectively. Accordingly, the calculated zonal drift velocities and the apex height of the irregularities are significantly different as well. Observations from the nearby Hainan Coherent Scatter Phased Array Radar (HCOPAR) radar validate the estimated height and velocity, though discrepancies existing in terms of the arrival times of ionospheric irregularities observed by the two kinds of instruments. It further highlights the necessity of this method to probe global navigation satellite system (GNSS)-sensitive irregularities using the disturbed GNSS signals per se.

引用

页数：10

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