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Long-range Correlation and Wavelet Transform Analysis of Solar Magnetic Activity
Deng LH(邓林华)1,2; Deng, LH, Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China
会议录名称Proceedings of SPIE - SECOND INTERNATIONAL WORKSHOP ON PATTERN RECOGNITION
2017
卷号10443
DOI10.1117/12.2280544
产权排序第1完成单位
收录类别EI ; CPCI
会议名称2nd International Workshop on Pattern Recognition, IWPR 2017
会议日期2017-05-01
会议地点Singapore, SINGAPORE
关键词Long-range Correlation Wavelet Transform Analysis Solar Time Series Astronomical Signal Processing
摘要Statistical data processing has been one of the most important activities in many fields of scientific studies, and has become the only way through which one can deal with the underlying processes of the given phenomenon. The two classical techniques to solar time series analysis are related to the space domain and the spectral. In the present paper, the relative phase relationship of sunspot unit area on both hemispheres is investigated by the long-range correlation and the wavelet transform analysis. It is found that, (1) the north-south asynchrony of sunspot unit area can not be regarded as a stochastic phenomenon because its behavior exhibits a long-term tendency; (2) The leading hemisphere of sunspot unit area is the southern hemisphere before the year of 1962, and then the northern hemisphere till the year of 2008; (3) the sunspot unit area should be used to represent the long-term solar magnetic activity. Our analysis results could be instructive to put further research on the physical mechanisms of north-south asynchrony of magnetic activity on the Sun. Moreover, the long-range correlation analysis and the wavelet transform technique of solar time series provide crucial information to understand, describe, and predict long-term solar variability.
项目资助者CAS ; Youth Innovation Promotion Association CAS ; Yunnan Science Foundation of China(2015FB192) ; CAS Key Laboratory of Solar Activity(KLSA201709) ; National Natural Science Foundation of China (NSFC)(U1531140) ; Chinese Academy of Sciences (CAS)(U1531140) ; CAS ; Youth Innovation Promotion Association CAS ; Yunnan Science Foundation of China(2015FB192) ; CAS Key Laboratory of Solar Activity(KLSA201709) ; National Natural Science Foundation of China (NSFC)(U1531140) ; Chinese Academy of Sciences (CAS)(U1531140)
语种英语
学科领域天文学
文章类型Proceedings Paper
出版者SPIE-INT SOC OPTICAL ENGINEERING
出版地1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
ISBN号978-1-5106-1350-8; 978-1-5106-1351-5
ISSN号0277-786X
URL查看原文
归档日期2017-10-23
WOS记录号WOS:000406968700026
WOS研究方向Computer Science ; Engineering ; Optics
WOS类目Computer Science, Artificial Intelligence ; Engineering, Electrical & Electronic ; Optics ; Computer Science ; Engineering ; Optics
关键词[WOS]NORTH-SOUTH ASYMMETRY ; ROTATING SUNSPOTS ; TIME-SERIES ; COHERENCE
引用统计
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/10150
专题抚仙湖太阳观测站
通讯作者Deng, LH, Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, China
2.CAS Key Laboratory of Solar Activity, National Astronomical Observatories, Beijing 100012, China
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Deng LH,Deng, LH, Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China. Long-range Correlation and Wavelet Transform Analysis of Solar Magnetic Activity[C]. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA:SPIE-INT SOC OPTICAL ENGINEERING,2017.
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