基于优化交错网格有限差分法的VSP逆时偏移

刘炜, 王彦春, 毕臣臣, 徐仲博

Reverse time migration of VSP data based on the optimal staggered-grid finite-difference method

LIU Wei, WANG Yan-Chun, BI Chen-Chen, XU Zhong-Bo

图5 PML吸收边界条件简易示意

Fig.5 Simple sketch of PML absorbing boundary condition