POWER SPECTRAL ANALYSIS OF HIGH LATITUDE F-REGION SMALL-SCALE IRREGULARITIES

被引：0
|
作者：
Spicher, A. [1 ]
Miloch, W. J. [1 ]
Moen, J. I. [1 ]
机构：
[1] Univ Oslo, Dept Phys, Box 1048, N-0316 Oslo, Norway
来源：
PROCEEDINGS OF THE 21ST ESA SYMPOSIUM ON EUROPEAN ROCKET & BALLOON PROGRAMMES AND RESEARCH | 2013年 / 721卷
关键词：
INSTABILITY;
D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The Investigation of Cusp Irregularities-2 (ICI-2) sounding rocket was launched into the cusp ionosphere in December 2008 from Ny-Alesund, Norway. Its main objectives were to resolve irregularity structures at meter-scales and to quantify the gradient drift instability process. The rocket intersected instability regions in connection with both particle precipitation and density enhancements. In this paper we analyze the spectral characteristics of electron density fluctuations associated with the encountered plasma structures and present the power laws of the irregularity spectra. The power spectra of the strong density fluctuations exhibit characteristic dual-power law behavior with a steeper slope at high frequencies.
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收藏
页码：81 / 85
页数：5
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