文章摘要 关键词 声波方程；正演；有限差分；并行计算；消息传递接口[gap=1121]Key words acoustic equation;forward modeling;finite difference;parallel computing;message passing interface..
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本文针对声波方程，给出了完全匹配层吸收边界方法。
Aimed at acoustic wave equation, the paper gave absorbing boundary condition by using perfectly matched layer.
通常国内隔声罩设计均是以一维声波方程为理论基础。
Most of the previous designs of machine enclosure were calculated according to the experical formula.
从声波方程出发，阐述了声表面波的基本性质和传播特性。
According to acoustic wave equation, the property and propagation of SAW is expounded.
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