Application of the cross-wavelet transforms to time series of solar activity

Linhua Deng; Song Feng; Lan Yu

doi:10.1117/12.2031017

19 July 2013 Application of the cross-wavelet transforms to time series of solar activity

Linhua Deng, Song Feng, Lan Yu

Proceedings Volume 8878, Fifth International Conference on Digital Image Processing (ICDIP 2013); 88784T (2013) https://doi.org/10.1117/12.2031017
Event: Fifth International Conference on Digital Image Processing, 2013, Beijing, China

Abstract

Cross-wavelet transforms analysis is proposed to investigate the phase relationship between sunspot group numbers and sunspot numbers during the period of1874 May to 2010 December. Their phase relationship is not only time-dependent but also frequency-dependent, which implies that their phase asynchrony is not a simple linear relationship, although they are highly correlated with each other. This study shows that cross-wavelet transforms technique for the phase analysis between different time series of solar activity is fairly useful.

Citation Download Citation

Linhua Deng, Song Feng, and Lan Yu "Application of the cross-wavelet transforms to time series of solar activity", Proc. SPIE 8878, Fifth International Conference on Digital Image Processing (ICDIP 2013), 88784T (19 July 2013); https://doi.org/10.1117/12.2031017

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