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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: Use of Fourier phase characteristics and effective stress analyses for post-earthquake ground motion estimation: application to ESG6 blind prediction steps 2&3 dataset and JMA accelerometric data

Fig. 1

Methods employed by the author. The Fourier amplitude at the target site is estimated based on the empirical spectral ratio. Once the Fourier amplitude and phase at the target site are determined, the inverse Fourier transform is applied to generate the time history of ground motions at the target site. To account for soil nonlinearity, effective stress analyses are conducted

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