针对海洋中尺度涡对水声传播的影响,利用中尺度涡区的历史水文实测数据提取涡旋强度,空间尺度等中尺度涡特征参数,rn建立了海洋中尺度涡理论计算模型.运用MMPE水下声场模型仿真试验研究了涡旋性质、强度和位置、声源频率和置放深度对声传rn播特性的影响.结果表明:暖涡使得会聚区的位置"后退",会聚区宽度增加;冷涡使得会聚区的位置"前移",会聚区宽度减小.涡旋rn的强度越大,"前移"或"后退"的效应越显著.%With regard to the influence of the ocean mesoscale eddy on the underwater acoustic pwpagation, the historical hydrological observed data in the ocean mesoscale eddy area was used to distill the eddy characteristic parameters, such as the intensity of eddy, and space scale, and a theoretical computation model of ocean mesoscale eddy was established. Furthermore, an underwater acoustic model-MMPE was used to simulate the sound propagation under the influence of the kinds, the intensity and position of ocean eddy and the influence of the frequences and depths of source. The results show that the warm-core eddy will make the assembled area "move back" and the width of it increase; however the cold-core eddy will make the the assembled area "move forward" and the width of it decrease. The bigger the intensity of eddy, the more notable the "forward "or "back "effect.
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