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Fig. 4.


Reconstructed power spectrum of s in its spatial (panel a) and spectral sub-domain (panel b) and u in its spectral domain (panel c). The dashed black line indicates the default spectrum from which the Gaussian random fields, shown in Fig. 3, were drawn, while the solid black lines show its reconstruction. In case of , both lines are in such close agreement that they are visually indistinguishable.

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