| 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, Wen5,6; Liang, Hong-Fei7
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| 发表期刊 | RESEARCH IN ASTRONOMY AND ASTROPHYSICS
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| 2015-06 | |
| 卷号 | 15期号:6页码:879-888 |
| DOI | 10.1088/1674-4527/15/6/010 |
| 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. |
| 资助项目 | National Natural Science Foundation of China[11221063] ; National Natural Science Foundation of China[11273057] ; National Basic Research Program of China (973 program)[2012CB957801] ; National Basic Research Program of China (973 program)[2011CB811406] |
| 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 | 天文学 ; 太阳与太阳系 |
| 文章类型 | Article |
| 出版者 | NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES |
| 出版地 | 20A DATUN RD, CHAOYANG, BEIJING, 100012, PEOPLES R CHINA |
| ISSN | 1674-4527 |
| 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 |
| 引用统计 | |
| 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(屈智宁) |
| 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 |
| 第一作者单位 | 中国科学院云南天文台 |
| 通讯作者单位 | 中国科学院云南天文台 |
| 推荐引用方式 GB/T 7714 | Qu ZN,Feng, Wen,Liang, Hong-Fei. 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, Wen,&Liang, Hong-Fei.(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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