本文首先把能够到达接收器的那些简正波按能量相加，然后对发射深度与接收深度进行平均，导出了负声速梯度浅海中平均声强的表式。

The normal modes which can arrive at a receiver are summed according to energy, and an expression for the averaged intensity is then obtained by averaging over the source and receiver depth.

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本文首先把能够到达接收器的那些简正波按能量相加，然后对发射深度与接收深度进行平均，导出了负声速梯度浅海中平均声强的表式。

The normal modes which can arrive at a receiver are summed according to energy, and an expression for the averaged intensity is then obtained by averaging over the source and receiver depth.

youdao