Relative Phase Asynchrony and Long-range Correlation of Long-term Solar Magnetic Activity
文献类型：会议论文
| 作者 | Deng LH(邓林华)1,2
|
| 出版日期 | 2017-07 |
| 会议日期 | 2017-05-19 |
| 会议地点 | Hong Kong, PEOPLES R CHINA |
| 关键词 | Statistical Signal Processing Long-range Correlation Wavelet Transform Recurrence Plot Analysis |
| 卷号 | 10420 |
| 期号 | 1 |
| DOI | 10.1117/12.2281943 |
| 英文摘要 | Statistical signal processing is one of the most important tasks in a large amount of areas of scientific studies, such as astrophysics, geophysics, and space physics. Phase recurrence analysis and long-range persistence are the two dynamical structures of the underlying processes for the given natural phenomenon. Linear and nonlinear time series analysis approaches (cross-correlation analysis, cross-recurrence plot, wavelet coherent transform, and Hurst analysis) are combined to investigate the relative phase interconnection and long-range correlation between solar activity and geomagnetic activity for the time interval from 1932 January to 2017 January. The following prominent results are found: (1) geomagnetic activity lags behind sunspot numbers with a phase shift of 21 months, and they have a high level of asynchronous behavior; (2) their relative phase interconnections are in phase for the periodic scales during 8-16 years, but have a mixing behavior for the periodic belts below 8 years; (3) both sunspot numbers and geomagnetic activity can not be regarded as a stochastic phenomenon because their dynamical behaviors display a long-term correlation and a fractal nature. We believe that the presented conclusions could provide further information on understanding the dynamical coupling of solar dynamo process with geomagnetic activity variation, and the crucial role of solar and geomagnetic activity in the long-term climate change. |
| 产权排序 | 第1完成单位 |
| 资助机构 | CAS "Light of West China" Program ; 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) |
| 会议录 | Proceedings of SPIE - NINTH INTERNATIONAL CONFERENCE ON DIGITAL IMAGE PROCESSING (ICDIP 2017)
 |
| 会议录出版者 | SPIE-INT SOC OPTICAL ENGINEERING |
| 文献子类 | Proceedings Paper |
| 学科主题 | 天文学 ; 太阳与太阳系 |
| 会议录出版地 | 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA |
| 语种 | 英语 |
| URL标识 | 查看原文 |
| ISSN号 | 0277-786X |
| WOS研究方向 | Imaging Science & Photographic Technology |
| ISBN号 | 978-1-5106-1305-8; 978-1-5106-1304-1 |
| WOS记录号 | WOS:000412113300058 |
| WOS关键词 | TIME-SERIES ; ROTATION ; FLARES ; ROTATION ; FLARES |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/10171]  |
| 专题 | 云南天文台_抚仙湖太阳观测站 |
| 作者单位 | 1.Natl Astron Observ, CAS Key Lab Solar Act, Beijing 100012, Peoples R China 2.Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China |
| 推荐引用方式 GB/T 7714 | Deng LH. Relative Phase Asynchrony and Long-range Correlation of Long-term Solar Magnetic Activity[C]. 见:. Hong Kong, PEOPLES R CHINA. 2017-05-19. |
入库方式： OAI收割
来源：云南天文台
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