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浅海声传播问题,由于边界的多次反射,使声场的空间结构复杂化。为此采用了空间平滑化的方法计算平均声场,使问题大大简化。同时为了使问题进一步简化,在计算浅海声场时常假设海表面为平坦表面,反射系数的模为1。然而在实际情况下海表面不是平面,海面波浪的起伏大小直接影响海面
Due to the multiple reflection of the boundary, the spatial structure of the sound field is complicated by the problem of shallow sea sound transmission. For this reason, the method of spatial smoothing is used to calculate the average sound field, which greatly simplifies the problem. At the same time, in order to further simplify the problem, it is always assumed that the sea surface is a flat surface in the calculation of the shallow sea acoustic field, and the reflection coefficient is modeled as 1. However, under the actual situation, the sea surface is not a plane. The fluctuation of the sea surface wave directly affects the sea surface