An Extended Viscoacoustic Wave Equation for Frequency-dependent Wavefields Modeling in Viscoacoustic Media

An excel file containing the velocity of three viscoacoustic media (velocity.xlsx); A mat file containing the wavefields of viscoacoustic media (model_viscoacoustic.mat); A mat file containing the wavefields of acoustic media (model_acoustic.mat); A mat file containing the wavefields of viscoacoustic media with changed dispersion parameters (model_diffusion.mat); A mat file containing the wavefields of viscoacoustic media with changed viscous parameters (model_viscous.mat);包含三种黏声介质（viscoacoustic media）波速的Excel文件（velocity.xlsx）； 包含黏声介质波场的MAT文件（model_viscoacoustic.mat）； 包含声学介质波场的MAT文件（model_acoustic.mat）； 包含色散参数（dispersion parameters）修改后的黏声介质波场的MAT文件（model_diffusion.mat）； 包含黏滞参数（viscous parameters）修改后的黏声介质波场的MAT文件（model_viscous.mat）；