研究了用GPS测定基阵坐标，分析了水听器基阵所接收到的声脉冲信号的处理。

This paper studies the determination of datum station with GPS and the computation problems of the sound pulse signal received by the datum station of echo pulse receiver under water.

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工作中的水听器基阵所处的姿态不总是唯一的，为了计算水听器基阵的信噪比增益，我们必须知道噪声场空间任意方向上的相关系数。

For the calculation of signal-to-noise gain of a hydrophone array, spatial-correlation in arbitrary direction is more needed because of the variant pose of the array in the real.

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