Higher order statistical analysis of fluctuations in a plasma

被引：0

作者：

Narayanan, R ^{[1
]}

Janaki, MS ^{[1
]}

Iyengar, ANS ^{[1
]}

机构：

[1] Saha Inst Nucl Phys, Kolkata 700064, W Bengal, India

来源：

PHYSICA SCRIPTA | 2003年 / T106卷

关键词：

D O I：

10.1238/Physica.Topical.106a00092

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Turbulent fluctuations are a common phenomena in most plasma systems. Most of the analysis is done by conventional Fourier techniques that extract information only in the frequency domain with temporal information usually missing. Also non-linear interaction between different modes cannot be identified. We present in this paper some new techniques using wavelet transforms and bispectral analysis that enable interpretation of non-stationary signals and also yield information about non-linear coupling between different basic modes of the system.

引用

页码：92 / 94

页数：3

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