Modelling methods are nowadays at the heart of any geophysical interpretation approach.
These are heavily relied upon by imaging techniques in elastodynamics and …

Surface waves are widely used in near-surface geophysics and provide a noninvasive way
to determine near-surface structures. By extracting and inverting dispersion curves to obtain …

Full waveform inversion using the conventional L 2 distance to measure the misfit between
seismograms is known to suffer from cycle skip**. An alternative strategy is proposed in …

Building high-resolution models of several physical properties of the subsurface by
multiparameter full waveform inversion (FWI) of multicomponent data will be a challenge for …

Recent progress in numerical methods and computer science allows us today to simulate
the propagation of seismic waves through realistically heterogeneous Earth models with …

We present the first-generation global tomographic model constructed based on adjoint
tomography, an iterative full-waveform inversion technique. Synthetic seismograms were …

The radially anisotropic shear velocity structure of the Earth's mantle provides a critical
window on the interior dynamics of the planet, with isotropic variations that are interpreted in …

Full waveform inversion (FWI) is widely used in geophysics to reconstruct high-resolution
velocity maps from seismic data. The recent success of data-driven FWI methods results in a …

To simulate seismic wavefields with a frequency-domain wave equation, conventional
numerical methods must solve the equation sequentially to obtain the wavefields for different …

The lack of low-frequency information and a good initial model can seriously affect the
success of full-waveform inversion (FWI), due to the inherent cycle skip** problem …