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1. One-way propagators based on matrix multiplication in arbitrarily lateral varying media with GPU implementation

Author:
Li, Canping,   et al.   ; You, Jiachun; Liu, Zhege; Liu, Jianli;     Show all 4 Authors
Source:
Computers & geosciences 2019
ISSN:
0098-3004
Subject:
algorithms; computers; equations; geophysics; image analysis; models
Abstract:
... Conventional one-way migration methods have some shortcomings, such as their limitations in imaging large angles. A novel strategy is presented here to solve these issues. The Helmholtz operator of the two-way wave equation is a power of the square root operator of the one-way wave equation. Based on this connectivity, the computation of the square root of the Helmholtz operator based on matrix mu ...
DOI:
10.1016/j.cageo.2019.05.010