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Hilbert-Huang transform analysis of long-term solar magnetic activity
Deng LH(邓林华)1,2
会议录名称Proceedings of SPIE - NINTH INTERNATIONAL CONFERENCE ON GRAPHIC AND IMAGE PROCESSING (ICGIP 2017)
2018
卷号10615
DOI10.1117/12.2304730
会议录编者/会议主办者Yu, H; Dong, Y
产权排序第1完成单位
收录类别EI ; CPCI
会议名称9th International Conference on Graphic and Image Processing (ICGIP)
会议日期2017-10-14
会议地点Ocean Univ China, Acad Exchange Ctr, Qingdao, PEOPLES R CHINA
会议赞助商Ocean Univ China; Univ Portsmouth; Int Assoc Comp Sci & Informat Technol
关键词Hilbert-huang Transform Solar Magnetic Activity Time Series Analysis Nonlinear Statistical Technique
摘要

Astronomical time series analysis is one of the hottest and most important problems, and becomes the suitable way to deal with the underlying dynamical behavior of the considered nonlinear systems. The quasi-periodic analysis of solar magnetic activity has been carried out by various authors during the past fifty years. In this work, the novel Hilbert-Huang transform approach is applied to investigate the yearly numbers of polar faculae in the time interval from 1705 to 1999. The detected periodicities can be allocated to three components: the first one is the short-term variations with periods smaller than 11 years, the second one is the mid- term variations with classical periods from 11 years to 50 years, and the last one is the long-term variations with periods larger than 50 years. The analysis results improve our knowledge on the quasi-periodic variations of solar magnetic activity and could be provided valuable constraints for solar dynamo theory. Furthermore, our analysis results could be useful for understanding the long-term variations of solar magnetic activity, providing crucial information to describe and forecast solar magnetic activity indicators.

资助项目National Natural Science Foundation of China (NSFC)[U1531140] ; Chinese Academy of Sciences (CAS)[U1531140] ; CAS "Light of West China" Program ; Youth Innovation Promotion Association CAS ; Yunnan Science Foundation of China[2015FB192] ; open research program of CAS Key Laboratory of Solar Activity[KLSA201709]
项目资助者National Natural Science Foundation of China (NSFC) ; Chinese Academy of Sciences (CAS) ; CAS "Light of West China" Program ; Youth Innovation Promotion Association CAS ; Yunnan Science Foundation of China ; open research program of CAS Key Laboratory of Solar Activity
语种英语
学科领域太阳与太阳系
学科门类理学 ; 理学::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978-1-5106-1742-1
ISSN号0277-786X
URL查看原文
WOS记录号WOS:000434707200188
WOS研究方向Optics ; Imaging Science & Photographic Technology
WOS类目Optics ; Imaging Science & Photographic Technology
关键词[WOS]Empirical Mode Decomposition ; Rotating Sunspots ; Time-series
EI入藏号20181905168274
EI主题词Time Series Analysis
EI分类号701.2magnetism: Basic Concepts And Phenomena - 921.3mathematical Transformations - 921.6numerical Methods - 922.2mathematical Statistics
引用统计
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/12187
专题抚仙湖太阳观测站
通讯作者Deng LH(邓林华)
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 Corresponding author: Deng, Linhua
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Deng LH. Hilbert-Huang transform analysis of long-term solar magnetic activity[C]//Yu, H; Dong, Y. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA:SPIE-INT SOC OPTICAL ENGINEERING,2018.
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