Title :
Restoration of parameters of viscoelastic inhomogeneities by diffraction tomography
Author :
Kiselev, Yurii V. ; Troyan, Vladimir N.
Author_Institution :
Inst. of Phys., St. Petersburg Univ., Russia
Abstract :
Numerical simulation of restoration of parameters of viscoelastic local inhomogeneity (comparable in size with the wavelength) by the diffraction tomography method based upon the first-order Born approximation is considered. The direct problem is solved by the finite difference method
Keywords :
acoustic tomography; acoustic wave diffraction; approximation theory; finite difference methods; geophysical techniques; seismic waves; signal restoration; diffraction tomography; dissipative attenuation; finite difference method; first-order Born approximation; numerical simulation; parameters restoration; seismic waves; viscoelastic local inhomogeneity; wavelength; weak contrast inhomogeneities; Approximation methods; Diffraction; Elasticity; Equations; Finite difference methods; Numerical simulation; Physics; Scattering; Tomography; Viscosity;
Conference_Titel :
Day on Diffraction 2001. Proceedings. International Seminar
Conference_Location :
St.Petersburg
Print_ISBN :
5-7997-0366-9
DOI :
10.1109/DD.2001.988465