基于等效源法的浅水域界面干扰剥离与声场重构方法研究  

Interface interference stripping and sound field reconstruction in shallow water based on equivalent source method

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作  者:李志超 张小正[3] 庞业珍[1,2] 苗金林 LI Zhi-chao;ZHANG Xiao-zheng;PANG Ye-zhen;MIAO Jin-lin(China Ship Scientific Research Center,Wuxi 214082,China;National Key Laboratory of Ship Vibration and Noise,Wuxi 214082,China;Hefei University of Technology,Hefei 230009,China;China Ship Research and Development Academy,Beijing 100101,China)

机构地区:[1]中国船舶科学研究中心,江苏无锡214082 [2]船舶振动噪声重点实验室,江苏无锡214082 [3]合肥工业大学,合肥230009 [4]中国舰船研究院,北京100101

出  处:《船舶力学》2024年第11期1793-1802,共10页Journal of Ship Mechanics

摘  要:本文提出一种基于等效源法的浅水域界面干扰分离与声场重构方法。该方法将射线声学虚源法与等效源法相结合,能够在浅水域条件下有效分离界面反射声的影响,对结构声源的辐射声场进行精准重构。文中简述了虚源法模型,给出了干扰剥离等效源法的基本原理和算法实现过程,通过仿真说明了不同频率和全息面构型对算法的影响,总结了该方法相比常规等效源法的优势以及适用性。A shallow water interface interference separation and sound field reconstruction method based on the equivalent source method was proposed.The combination of the ray acoustic virtual source method with the equivalent source method can effectively separate the impact of interface reflected sound in shallow water conditions,and accurately reconstruct the radiated sound field of structural sound sources.The virtual source method model was briefly described in this paper,the basic principle and algorithm implementation process of the interference stripping equivalent source method were given,the impact of different frequencies and ho⁃lographic surface configurations on the algorithm was illustrated through simulation,and the advantages and applicability of this method compared to conventional equivalent source methods were summarized.

关 键 词:等效源法 虚源法 干扰剥离 

分 类 号:O427.5[理学—声学]

 

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