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	Wavelet-based multifractal analysis of ground electric field before occurrence of strong discharge in thunderstorm
	Gou, XQ; Zhang, YJ; Dong, WS
刊名	ACTA PHYSICA SINICA
	2006-02-01
卷号	55期号:2页码:957-961
关键词	multifractal avalanche multiplicative cascade wavelet lightning discharge
ISSN号	1000-3290
通讯作者	Gou, XQ(gouxueqiang@nwnu.edu.cn)
英文摘要	It is considered that complex systems far from equilibrium are evolved in avalanche and self similar multiplicative cascade way, and have characteristics of multifractality. By using the ground electric field data obtained in the middle of Qinghai-Xizang plateau region, multifractal behavior of lightning discharges in thunderstorm is investigated with wavelet-based multifractal method. It is found that strong singularity and multfractality are involved in the strong lightning discharges, the minimum exponent alpha(min) is less than -0.3, and the width of spectrum Delta alpha is greater than 1.6, and the scaling behavior is consistent with the modified version of the binomial multiplicative cascade multifractal model. It is also shown that Delta alpha increases with the enhancing of the discharge activity, and strong lightning happens in regions where Delta alpha is high or is decreasing, the related reason is discussed.
收录类别	SCI
WOS关键词	FLUCTUATION ANALYSIS ; TIME-SERIES ; TURBULENCE ; TRANSFORM ; CASCADES
WOS研究方向	Physics
WOS类目	Physics, Multidisciplinary
语种	英语
出版者	CHINESE PHYSICAL SOC
WOS记录号	WOS:000235423300086
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2555817
专题	寒区旱区环境与工程研究所
通讯作者	Gou, XQ
作者单位	1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China 2.NW Normal Univ, Coll Phys & Elect Engn, Lanzhou 730070, Peoples R China
推荐引用方式 GB/T 7714	Gou, XQ,Zhang, YJ,Dong, WS. Wavelet-based multifractal analysis of ground electric field before occurrence of strong discharge in thunderstorm[J]. ACTA PHYSICA SINICA,2006,55(2):957-961.
APA	Gou, XQ,Zhang, YJ,&Dong, WS.(2006).Wavelet-based multifractal analysis of ground electric field before occurrence of strong discharge in thunderstorm.ACTA PHYSICA SINICA,55(2),957-961.
MLA	Gou, XQ,et al."Wavelet-based multifractal analysis of ground electric field before occurrence of strong discharge in thunderstorm".ACTA PHYSICA SINICA 55.2(2006):957-961.

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