N Wang, G Xing, T Zhu, H Zhou… - Journal of Geophysical …, 2022 - Wiley Online Library
Seismic velocity and attenuation anisotropy are ubiquitous in the crust and upper mantle, significantly modulating the characteristics of seismic wave propagation in the Earth's …
Z Qiao, T Chen, C Sun - Surveys in Geophysics, 2022 - Springer
The absorption (anelastic attenuation) and anisotropy properties of subsurface media jointly affect the seismic wave propagation and the quality of migration imaging. Anisotropic …
G Xing, T Zhu - Journal of Geophysical Research: Solid Earth, 2019 - Wiley Online Library
Quantifying the attenuation of seismic waves propagating in the Earth interior is critical to study the subsurface structure. Previous studies have proposed fractional anelastic wave …
X Mu, J Huang, L Wen, S Zhuang - Geophysics, 2021 - library.seg.org
We have developed a new time-domain viscoacoustic wave equation for simulating wave propagation in anelastic media. The new wave equation is derived by inserting the complex …
The calculation of the gradient in full-waveform inversion (FWI) usually involves crosscorrelating the forward-propagated source wavefield and the back-propagated data …
W Zhang, Y Shi - Geophysics, 2019 - library.seg.org
Elastic reverse time migration (RTM) has the ability to retrieve accurately migrated images of complex subsurface structures by imaging the multicomponent seismic data. However, the …
J Yang, H Zhu - Geophysics, 2018 - library.seg.org
During seismic wave propagation, intrinsic attenuation inside the earth gives rise to amplitude loss and phase dispersion. Without appropriate correction strategies in migration …
Low values of P-and S-wave quality factors Q p and Q s result in strong intrinsic seismic attenuation in seismic modeling and imaging. We use a linearized waveform inversion …
Seismic anisotropy is the fundamental phenomenon of wave propagation in the earth's interior. Numerical modeling of wave behavior is critical for exploration and global …