In the use of vertical array for underwater acoustic measurement, you need to be amended vertical array shape in order to improve the metrical gain. In this paper, we researched the physical mechanism of underwater vertical array shape deformation, proved that if vertical array in steady stream had zero buoyancy, underwater shape was a parabola. In the article, we also used micro-element decomposition method for the theoretical prediction of vertical array shape in the ocean current impact, and using polynomial fitting methods for amending the shape of underwater vertical array. The precision can reach the level of 10-2 meter to meet the system requirements of the test.%在利用垂直阵进行水声测量时,需要对水下阵形进行修正以提高测量增益.本文对垂直阵水下阵形形变的物理机制进行了研究,证明垂直阵在零浮力与定常流条件下阵形为抛物线.采用微元分解法对垂直阵在海流冲击下的阵形进行了理论预报,并利用多项式拟合的方法对垂直阵水下阵形进行了修正,阵形的修正精度可以达到10-2米级,满足了系统的测试要求.
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