A new mathematical model for dispersion of Rayleigh wave and a machine learning based inversion solver
Jianxun Yang,
Chen Xu,
Ye Zhang
Abstract:In this work, by introducing the seismic impedance tensor we propose a new Rayleigh wave dispersion function in a homogeneous and layered medium of the Earth, which provides an efficient way to compute the dispersion curve -a relation between the frequencies and the phase velocities. With this newly established forward model, based on the Mixture Density Networks (MDN) we develop a machine learning based inversion approach, named as FW-MDN, for the problem of estimating the S-wave velocity from the dispersion … Show more
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