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Periodicity of the solar radius revisited by using empirical mode decomposition and the Lomb-Scargle method
Qu ZN(屈智宁)1,2,3,4; Feng, W5,6; Liang, HF7; Qu, ZN (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Yunnan, Peoples R China.
发表期刊RESEARCH IN ASTRONOMY AND ASTROPHYSICS
2015-06
卷号15期号:6页码:879-888
DOI10.1088/1674-4527/15/6/010
产权排序第1完成单位
收录类别SCI
关键词Sun: Activity Sun: Solar Radius Sun: Photosphere Sun: Data Analysis
摘要Using the Hilbert-Huang transform and the Lomb-Scargle method, we investigate periodicities in the daily solar radius data during the time interval from February 1978 to October 1999 derived from Calern Observatory. The following prominent periods are found: (1) the rotation cycle signal; (2) several mid-term periods including 122, 162.9 and 225 days, annual-variation periodicities (319 and 359 days), quasi-triennial oscillations (3.46 and 3.94 years); (3) the 11-year Schwabe cycle, which is in anti-phase with solar activity. This result indicates that the strong magnetic field associated with the Sun has a greater inhibitive effect on the radius variation.
项目资助者National Natural Science Foundation of China [11221063, 11273057] ; National Basic Research Program of China (973 program) [2012CB957801, 2011CB811406]
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN1674-4527
URL查看原文
归档日期2015-05-18
WOS记录号WOS:000355138900010
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]SHORT-TERM PERIODICITIES ; DIAMETER MEASUREMENTS ; SPECTRAL-ANALYSIS ; CYCLE DEPENDENCE ; APPARENT RADIUS ; SUNSPOT NUMBERS ; PHASE-ANALYSIS ; CCD ASTROLABE ; TIME-SERIES ; SPACED DATA
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被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6267
专题太阳物理研究组
通讯作者Qu, ZN (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Yunnan, Peoples R China.
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming, Yunnan 650011, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
3.Key Laboratory of Solar Activity, National Astronomical Observatories, CAS, Beijing 100012, China
4.Department of Physics, School of Science, Sichuan University of Science & Engineering, Zigong 643000, China
5.Research Center of Analysis and Measurement, Kunming University of Science and Technology, Kunming 650093, China
6.Key Laboratory of Modern Astronomy and Astrophysics (Nanjing University), Ministry of Education, Nanjing 210093, China
7.Department of Physics, Yunnan Normal University, Kunming 650093, China
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Qu ZN,Feng, W,Liang, HF,et al. Periodicity of the solar radius revisited by using empirical mode decomposition and the Lomb-Scargle method[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2015,15(6):879-888.
APA Qu ZN,Feng, W,Liang, HF,&Qu, ZN .(2015).Periodicity of the solar radius revisited by using empirical mode decomposition and the Lomb-Scargle method.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,15(6),879-888.
MLA Qu ZN,et al."Periodicity of the solar radius revisited by using empirical mode decomposition and the Lomb-Scargle method".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 15.6(2015):879-888.
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