2020
DOI: 10.1016/j.aej.2020.01.050
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Drought response analysis based on cross wavelet transform and mutual entropy

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Cited by 28 publications
(11 citation statements)
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“…The multitaper spectral analysis method (MTM, Therrell et al, 2006) was used to principal major cycles. We also used the cross wavelet transform (XWT) method (Li et al, 2020) to verify long‐term relationships with the ENSO reconstruction data (Li et al, 2013; McGregor et al, 2010; Stahle et al, 1998). Pearson correlation approach was used to test the mutual response.…”
Section: Methodsmentioning
confidence: 99%
“…The multitaper spectral analysis method (MTM, Therrell et al, 2006) was used to principal major cycles. We also used the cross wavelet transform (XWT) method (Li et al, 2020) to verify long‐term relationships with the ENSO reconstruction data (Li et al, 2013; McGregor et al, 2010; Stahle et al, 1998). Pearson correlation approach was used to test the mutual response.…”
Section: Methodsmentioning
confidence: 99%
“…It has been widely used in the fields of meteorology, climate and geophysics. For two time series and the cross wavelet power spectrum is as follows (Labat, 2010;Li et al, 2020):…”
Section: Cross Wavelet Transformmentioning
confidence: 99%
“…However, earlier studies have not used CWT and DWT together to study both GIC and geomagnetic data. Moreover, the cross-wavelet technique can analyze the correlation between the high-energy and low-energy regions of two time series in the time-frequency domain from multiple time scales, reflecting the phase structure of the two; and it has been widely used in geography and physics (Li et al, 2020). However Earlier studies not analyzed the correlation between GIC and geomagnetic data using crossed wavelets.…”
Section: Introductionmentioning
confidence: 99%
“…The wavelet power spectrum can be used to state the mutation features and multiscale evolution of time series and sequences. The equation of the wavelet power spectrum can be mentioned as [63]:…”
Section: Wavelet Transform (Wt)mentioning
confidence: 99%