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Earth, Planets and Space
Fig. 9 | Earth, Planets and Space

Fig. 9

From: Separation of magnetotelluric signals based on refined composite multiscale dispersion entropy and orthogonal matching pursuit

Fig. 9

Comparison of the coherence (a) error (b) and SNR (c) curves for site EL22174. Among them, curve 1 is the original data, curve 2 is the result obtained by the RR method, curve 3 is the data filtered by the OMP-based overall method, curve 4 is the result derived from the fractal-entropy and clustering method, and curve 5 is the result derived from the proposed method

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