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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: New application of wavelets in magnetotelluric data processing: reducing impedance bias

Fig. 2

Geomagnetic pulsation on \({H}_{x}\) and its representation in time–frequency space. MT site: Piton de la Fournaise (see “Real data application” section). The time axis is the same as Fig. 1. a Comparison between a pulsation (black line) and Morlet wavelet (real part, red line). b Wavelet coefficients of the pulsation shown in a while using the Cauchy wavelet. c Wavelet coefficients of the pulsation shown in a while using the Morlet wavelet

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