Terme préférentiel

corner frequency

Description

The frequency at which the curve representing the Fourier amplitude spectrum of a recorded seismic signal abruptly changes its slope and drops by -3 db from the spectral plateau. In earthquake source studies, a parameter characterizing the farfield body-wave displacement ï¿½source spectrumï¿½, being related to fault size, rupture velocity, source duration and stress drop in the source

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