Enhancing low-wavenumber components of full-waveform inversion using an improved wavefield decomposition method in the time-space domain
S Lian, S Yuan, G Wang, T Liu, Y Liu, S Wang - Journal of Applied …, 2018 - Elsevier
Full-waveform inversion (FWI) is a successful technique that attempts to build high-
resolution velocity models by minimizing the residuals between observed and calculated …
resolution velocity models by minimizing the residuals between observed and calculated …
Elastic reflection traveltime inversion with decoupled wave equation
G Wang, S Wang, J Song, C Dong, M Zhang - Geophysics, 2018 - library.seg.org
Elastic full-waveform inversion (FWI) updates high-resolution model parameters by
minimizing the residuals of multicomponent seismic records between the field and model …
minimizing the residuals of multicomponent seismic records between the field and model …
Full waveform inversion with angle-dependent gradient preconditioning using wavefield decomposition
The main objective of the full waveform inversion (FWI) is to deliver a velocity model which
produces accurate and high resolution depth images. An integral part of FWI is the iterative …
produces accurate and high resolution depth images. An integral part of FWI is the iterative …
Building a good initial model for full-waveform inversion using frequency shift filter
G Wang, S Wang, S Yuan, S Lian - Journal of Applied Geophysics, 2018 - Elsevier
Accurate initial model or available low-frequency data is an important factor in the success of
full waveform inversion (FWI). The low-frequency helps determine the kinematical relevant …
full waveform inversion (FWI). The low-frequency helps determine the kinematical relevant …