本文对国内外水下航行体低频声学特征传播损失计算的传统方法和改进方法进行综述，并针对复杂海洋边界条件、三维海洋环境等问题的传播损失仿真计算的适用性进行分析，提炼并总结了复杂海洋环境下传播损失计算方法的研究现状。未来，水下航行体声传播损失研究将更加聚焦于低频声传播特性、声场时-空-频相干特性以及两极冰区环境下的声传播规律等问题，进一步提高传播损失计算方法在复杂海洋环境下的准确性和稳定性是重点研究方向。
This paper reviews the traditional methods and improved methods of low-frequency acoustic feature propagation loss calculation of underwater vehicles at home and abroad, and analyzes the applicability of propagation loss simulation calculation in complex marine boundary conditions and three-dimensional marine environment, and extracts and summarizes the research status of propagation loss calculation methods in complex marine environments. In the future, the research on acoustic propagation loss of underwater vehicles will focus more on the characteristics of low-frequency acoustic propagation, the spatiotemporal-frequency coherence characteristics of the sound field, and the sound propagation law in the polar ice environment, and further improve the accuracy and stability of the propagation loss calculation method in complex marine environment.
2024,46(3): 13-18 收稿日期：2023-10-07
DOI：10.3404/j.issn.1672-7649.2024.03.003
分类号：U441
基金项目：国家自然科学基金面上项目资助（52371356）
作者简介：纪兴(1984-),男,博士,工程师,研究方向为舰船总体设计
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