A technique for measuring temperature and wind velocity in the ionosphere

被引：0
|
作者：
A. V. Roldugin
Yu. V. Fedorenko
S. V. Leont’ev
V. A. Galakhov
Zh. V. Dashkevich
V. P. Kozelov
机构：
[1] Russian Academy of Sciences,Polar Geophysical Institute, Kola Research Center
来源：
Instruments and Experimental Techniques | 2007年 / 50卷
关键词：
93.85.Bc; 94.20.Ac;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A measuring system for studying the temperature conditions and the dynamic characteristics of the lower ionosphere has been developed on the basis of a Fabry-Perot interferometer. The parameters of an I-Pentamax512FT CCD camera, which is a component of the system, have been investigated, and a mathematical model has been created to describe the characteristics of each pixel of the CCD array and reconstruct images of interference rings at low signal-to-noise ratios. An optimal method for reconstructing the spectral line profile from a two-dimensional image of interference rings has been selected. A new algorithm for approximation of measured spectral line profiles has been developed. Using this algorithm, it is possible to find a correct solution to the problem of determining the kinetic temperature and the collective velocity of particles in radiating gas. A software package for semiautomatic data processing has been designed. The temperature and the wind velocities in the auroral zone of the thermosphere have been measured.
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页码：398 / 403
页数：5
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