Volume 33 Issue 1
Jan.  2013
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Weng Libin, Fang Hanxian, Zhang Yang, Yang Shenggao, Wang Sicheng. Correlation research between the sunspot numbers and the cosmic rays based on wavelet and cross wavelet analysis[J]. Journal of Space Science, 2013, 33(1): 13-19. doi: 10.11728/cjss2013.01.013
Citation: Weng Libin, Fang Hanxian, Zhang Yang, Yang Shenggao, Wang Sicheng. Correlation research between the sunspot numbers and the cosmic rays based on wavelet and cross wavelet analysis[J]. Journal of Space Science, 2013, 33(1): 13-19. doi: 10.11728/cjss2013.01.013

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

doi: 10.11728/cjss2013.01.013
  • Received Date: 2011-08-09
  • Rev Recd Date: 2012-05-08
  • Publish Date: 2013-01-15
  • 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.

     

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