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中文摘要：
有限声波束透射进入海底的机理和能量大小，对于新型掩埋物体探测系统的系统设计很重要。利用波数积分声场模型和等效垂直声源阵有限波束建模方法，进行了有限波束在海底中的透射仿真研究。并在铺设有沙底的水池开展了声波透射实验，分析了实验数据，与数值模型进行了对比，最后讨论了实验中应注意的问题。
英文摘要：
To design a new buried-object detection system is important to understand the mechanism and quantity of finite acoustic beam penetration into a sandy bottom. The wavenumber integration sound model and the modeling method for finite beam based on an effective vertical source array are used to simulate the penetration of finite beam into a sandy bottom. An experiment in a pool is designed to observe the penetration of the acoustic beam, and the results are compared with the modeling. Several issues about the sound penetration experiment are discussed.
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