For the conventional staggered-grid finite-difference scheme (C-SFD), although the spatial finite-difference (FD) operator can reach 2M th-order accuracy, the FD discrete wave equation is the only ...
The objective of this paper is to provide a general view on methods of wave field extrapolation as used in seismic modeling and seismic migration, i.e., the Kirchhoff‐summation approach, the ...
1 Research Institute of Petroleum Exploration and Development-Northwest, PetroChina, Lanzhou, China 2 School of Aerospace Engineering, Tsinghua University, Beijing, China The wave characteristics of ...
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