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Conventional seismic exploration, mostly based on reflection theory, hardly has accurate imaging results for disaster geologic bodies which have small scale, steep dip, or complex structure. In this paper, we design two typical geologic models for analyzing the characteristics of scattered waves in mines for forward modeling by finite difference and apply the equivalent offset migration (EOM) and...
Presently the research based on the accurate seismic imaging methods for surface relief, complex structure, and complicated velocity distributions is of great significance. Reverse-time migration is considered to be one of highly accurate methods. In this paper, we propose a new non-reflecting recursive algorithm for reverse-time migration by introducing the wave impedance function into the acoustic...
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