【摘要】 本文采用双三次康氏（Coons）曲面模拟地震界面，提出了用体元结构来表示复杂构造地区的三维地震模型，同时以此为基础建立了灵活的动态射线追踪过程，实现了快速的、更具实用性的三维地震模型的正演模拟．更多还原

【Abstract】 We use Coons surface to fit seismic interface, and present concept of volume element model to represent 3-D seismic model in complex stricture area. Based onit,we establish a convenient process of dynamics ray tracing, and realize faster and more practical forward modeling of 3-D seismic model.更多还原