Sporadic structures in equatorial ionosphere as revealed from GPS occultation data

被引：11
|
作者：
Yakovlev, O. I. [1 ]
Wickert, J. [2 ]
Pavelyev, A. G. [1 ]
Matyugov, S. S. [1 ]
Anufriev, V. A. [1 ]
机构：
[1] Russian Acad Sci, Inst Radio Engn & Elect, Moscow 117901, Russia
[2] Geoforschungszentrum Potsdam, Potsdam, Germany
来源：
ACTA ASTRONAUTICA | 2008年 / 63卷 / 11-12期
基金：
俄罗斯基础研究基金会;
关键词：
Satellite; Monitoring; Ionosphere; Radio occultation;
D O I：
10.1016/j.actaastro.2008.05.023
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
A method for monitoring of sporadic formations in the lower ionosphere by use of the amplitude and phase variations of decimeter radio waves in the occultation trans-ionospheric link GPS satellite - LEO CHAMP satellite is described. Typical variations of the amplitude and phase of the occultation signal, caused by layered formations in the lower ionosphere, are considered. Parameters of sporadic structures measured during period of especially strong solar flashes from October 25 till November 9, 2003, are described. Results of statistical analysis of the occurrence frequency of sporadic layers, their altitude distribution, and thickness are presented. The electron density distribution in the lower ionosphere in the equatorial zone is estimated. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1350 / 1359
页数：10
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