基于小波与交叉小波分析的太阳黑子与宇宙线相关性研究

翁利斌; 方涵先; 张阳; 杨升高; 汪四成

doi:10.11728/cjss2013.01.013

基于小波与交叉小波分析的太阳黑子与宇宙线相关性研究

doi: 10.11728/cjss2013.01.013

1.
解放军理工大学气象学院南京 211101
2.
解放军61741部队北京 100094

基金项目: 国家自然科学基金项目(40505005)和解放军理工大学气象学院预研基金项目共同资助

详细信息

中图分类号: P353
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出版历程
- 收稿日期: 2011-08-09
- 修回日期: 2012-05-08
- 刊出日期: 2013-01-15

Correlation research between the sunspot numbers and the cosmic rays based on wavelet and cross wavelet analysis

1.
Institute of Meteorology, PLA University of Science and Technology, Nanjing 211101
2.
Unit 61741 of PLA, Beijing 100094

摘要

摘要: 利用小波分析和交叉小波分析方法, 根据太阳黑子数以及Huancayo和Climax两个测站的月均宇宙线数据, 分析了两个测站的月均宇宙线周期变化, 同时利用太阳黑子数R₁₂对Climax站宇宙线流量进行预测研究. 小波分析结果表明, 太阳黑子与宇宙线除存在显著的11年周期外, 太阳活动高年期间还存在1～6个月尺度的周期特性, 在第22太阳周活动高年时还出现了6～8和1～22个月的变化周期; 交叉小波分析结果表明, 在130个月左右的周期上宇宙线与太阳黑子具有显著的负相关性, 并且宇宙线的变化滞后太阳黑子约8个月; 分别采用预测时刻和8个月前的太阳黑子数, 预测相对误差为3.8912%和3.2386%. 本文方法同样适用于估算其他空间天气参量之间的周期和相关性, 提高各种空间天气参量的预测或预报精度.
- 小波分析 /
- 交叉小波 /
- 太阳黑子数 /
- 宇宙线
Abstract: The wave and cross-wavelet methods were used to analyze the periods of sunspot number and the month-averaged cosmic ray observed by Huancayo and Climax stations, and the correlation between sunspot number and the cosmic ray was discussed. As a result, spectral analysis indicates that except for the pronounced periodicities of 11 years observed both in solar sunspot and cosmic ray intensity, 1～6 months periodicities during the high solar activity, meanwhile, 6～8 and 1～22 months periodicities in the solar cycle 22 have been detected. Cross-wavelet shows a negative correlation between the solar sunspot and the cosmic ray, and the cosmic ray intensity lag the solar activity for about 8 months. The cosmic ray intensity in Climax was predicted by the sunspot number, and the relative error decreased from 3.8912% to 3.2386%. These methods can be used to study the period and relationship of other space parameters, and to make better performance on the predicting.
- Wavelet analysis /
- Cross wavelet analysis /
- Sunspot number /
- Cosmic ray

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参考文献(19)

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