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Periodicity of flare index revisited using the Hilbert-Huang transform method
Gao PX(高朋鑫)1,2; Liang, HF3; Zhu WW(朱玮文)1,2; Gao, PX (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
Source PublicationNEW ASTRONOMY
2011-04
Volume16Issue:3Pages:147-151
DOI10.1016/j.newast.2010.09.006
Contribution Rank第1完成单位
Indexed BySCI
KeywordMethods: Data Analysis Sun: Activity Sun: Flares
AbstractUsing the Hilbert-Huang Transform (HHT) method, we investigate the periodicity in the monthly mean flare indices from 1966 to 2007 (corresponding to almost four complete solar cycles), calculated by T. Atac and A. Ozguc. The results show as following. (1) The periods of 9.37 +/- 2.53, 11.8 +/- 0.172 and 23.6 +/- 0.316 years are found to be statistically significant in the flare index. The most eminent period is 9.37 +/- 2.53 years. (2) Other periods of 0.237 +/- 0.196 years (86.6 +/- 71.6 days), 0.525 +/- 0.0508 years (191 +/- 18.5 days), 1.05 +/- 0.478 years (383 +/- 174 days) and 2.37 +/- 0.395 years are below the 99% confidence level line, suggesting they are due to stochastic random noise. (C) 2010 Elsevier B.V. All rights reserved.
Funding OrganizationNSFC [10873032, 10921303, 40636031] ; National Key Research Science Foundation [2006CB806303] ; Chinese Academy of Sciences
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN1384-1076
URL查看原文
Archive Date2010-11-04
WOS IDWOS:000285660400001
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordEMPIRICAL MODE DECOMPOSITION ; TERM PERIODICITIES ; WAVELET ANALYSIS ; SUNSPOT NUMBERS ; SOLAR ; IDENTIFICATION ; SOLAR-CYCLE-23 ; FREQUENCY ; SPECTRUM
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Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6181
Collection太阳物理研究组
Corresponding AuthorGao, PX (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
Affiliation1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China
2.Graduate University of Chinese Academy of Sciences, Beijing 100049, China
3.Department of Physics, Yunnan Normal University, Kunming 650093, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Gao PX,Liang, HF,Zhu WW,et al. Periodicity of flare index revisited using the Hilbert-Huang transform method[J]. NEW ASTRONOMY,2011,16(3):147-151.
APA Gao PX,Liang, HF,Zhu WW,&Gao, PX .(2011).Periodicity of flare index revisited using the Hilbert-Huang transform method.NEW ASTRONOMY,16(3),147-151.
MLA Gao PX,et al."Periodicity of flare index revisited using the Hilbert-Huang transform method".NEW ASTRONOMY 16.3(2011):147-151.
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