利用半圆形传感器阵列重建声远场
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- 英文论文题名：Reconstructing the acoustic far-field using a semi-circular sensor array
- 论文作者：苏俊博 ; 朱海潮 ; 苏常伟
- 英文论文作者：SU Jun-bo ; ZHU Hai-chao ; SU Chang-wei ; National Key Laboratory on Ship Vibration and Noise ; Naval University of Engineering
- 年：2016
- 作者机构：海军工程大学船舶振动噪声重点实验室;
- 论文关键词：传感器阵列 ; 声场重构 ; 声辐射模态 ; 声远场
- 英文论文关键词：sensor array ; acoustic field reconstruction ; acoustic radiation modes ; acoustic far-field
- 会议召开时间：2016-09-17
- 会议录名称：2016年度声学技术学术会议论文集
- 语种：中文
- 分类号：TP212.9;TB52
- 学会代码：SXJS
- 会议名称：2016年度声学技术学术会议
- 会议地点：中国湖北武汉
- 主办单位：船舶振动噪声重点实验室、湖北省声学学会
- 学会名称：《声学技术》编辑部
- 页数：4
- 文件大小：477k
- 原文格式：D
- 会议级别：全国
摘要
提出了一种利用半圆形传感器阵列重建声远场的方法,首先利用半圆形传感器阵列测量的远场声压,然后基于声辐射模态理论重构声源的声远场。对矩形平板声场重构进行了数值仿真,结果表明:该方法利用分布在半圆形传感器阵列上的很少的传感器就能实现矩形平板声远场的重建。分析了噪声对声场重建结果的影响,证明了该方法具有很好的稳定性。该方法利用一种简单的测量阵列对声远场进行了准确地重建,特别适用于大型结构的辐射声场预测,具有很好的工程应用前景。
A method to reconstruct the acoustic far-field using a semi-circular sensor array is proposed. Firstly, the pressures in the acoustic far-field are measured by a semi-circular sensor array; then, the acoustic far-field is reconstructed based on the theory of acoustic radiation modes. The numerical simulations for reconstructing the acoustic far-field of a baffled rectangular plate are conducted. The results show that the acoustic far-field of the baffled rectangular plate can be reconstructed accurately by a few sensors on the semi-circular array. The influence of noise to the reconstruction of acoustic field is analyzed, and the robustness of the proposed method is proved. This paper provides a method for the reconstruction of acoustic far-field through a simple measuring array. The method can be applied to the acoustic field reconstruction of large structures, and has good engineering application prospects.
A method to reconstruct the acoustic far-field using a semi-circular sensor array is proposed. Firstly, the pressures in the acoustic far-field are measured by a semi-circular sensor array; then, the acoustic far-field is reconstructed based on the theory of acoustic radiation modes. The numerical simulations for reconstructing the acoustic far-field of a baffled rectangular plate are conducted. The results show that the acoustic far-field of the baffled rectangular plate can be reconstructed accurately by a few sensors on the semi-circular array. The influence of noise to the reconstruction of acoustic field is analyzed, and the robustness of the proposed method is proved. This paper provides a method for the reconstruction of acoustic far-field through a simple measuring array. The method can be applied to the acoustic field reconstruction of large structures, and has good engineering application prospects.
引文
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[6]雷宣扬,陈进,张桂才,陈少林.基于Helmholtz方程最小二乘法的声场重构[J].上海交通大学学报,2006,40(1):129-132.LEI Xuan-yang,CHEN Jin,ZHANG Gui-cai,CHEN Shao-lin.The reconstruction of Sound Field Using Helmholtz Equation-Least Squares Method[J].JOURNAL OF SHANG HAI JIAO TONG UNIVERSITY,2006,40(1):129-132.
[7]聂永发,朱海潮.利用源强密度声辐射模态重建声场[J].物理学报,2014,63(10):104303.Nie Yong-Fa,Zhu Hai-chao.Acoustic field reconstruction using source strength density acoustic radiation modes[J].Acta Phys.Sin.,2014,63(10):104303.
[8]姜哲,声辐射问题中的模态分析:Ⅲ.声场重构[J].声学学报,2005,30(3):242-248.JIANG Zhe.A modal analysis for the acoustic radiation problemsⅢ.Reconstruction of acoustic fields[J].ACTA ACUSTICA,2005,30(3):242-248.
[9]杨东升,姜哲.声辐射模态在声场重构中的应用[J].噪声与振动控制,2009,(2):55-58.YANG Dong-sheng,JIANG Zhe.Application of acoustic radiation modes to acoustic field reconstruction[J].NOISE AND VIBRATION CONTROL,2009,(2):55-58.
[10]吴海军.基于快速多极子边界元方法的大规模声学计算方法与应用研究[D].上海:上海交通大学,2013.WU Haijun.Study on Computational Methods and Applicetions for Large Scale Acoustic Problems Based on the Fast Multiple Boundary Element Method[D].Shanghai:Shanghai Jiao Tong University,2013.
[2]Application of BEM(boundary element method)-based Acoustic Holography to Radiation Analysis of Sound Sources with Arbitrarily Shaped Geometries[J].J.Acoust.Soc.Am.,1992,92(1):533-549.
[3]Koopmann G H,Song L,Fahnline J B.A method for computing accoustic fields based on the principle of wave superposition[J].J.Acoust.Soc.Am.,1989,86(6):2433-2438.
[4]Wu S F.On reconstruction of acoustic pressure fields using the Helmholtz equation least squares method[J].J.Acoust.Soc.Am.,2000,107(5):2511-2522.
[5]ZHANG Shengyong,CHEN Xinzhao.The boundary point method for the calculation of exterior acoustic radiation problem[J].Journal of Sound and Vibration,1999,228(4):761-772.
[6]雷宣扬,陈进,张桂才,陈少林.基于Helmholtz方程最小二乘法的声场重构[J].上海交通大学学报,2006,40(1):129-132.LEI Xuan-yang,CHEN Jin,ZHANG Gui-cai,CHEN Shao-lin.The reconstruction of Sound Field Using Helmholtz Equation-Least Squares Method[J].JOURNAL OF SHANG HAI JIAO TONG UNIVERSITY,2006,40(1):129-132.
[7]聂永发,朱海潮.利用源强密度声辐射模态重建声场[J].物理学报,2014,63(10):104303.Nie Yong-Fa,Zhu Hai-chao.Acoustic field reconstruction using source strength density acoustic radiation modes[J].Acta Phys.Sin.,2014,63(10):104303.
[8]姜哲,声辐射问题中的模态分析:Ⅲ.声场重构[J].声学学报,2005,30(3):242-248.JIANG Zhe.A modal analysis for the acoustic radiation problemsⅢ.Reconstruction of acoustic fields[J].ACTA ACUSTICA,2005,30(3):242-248.
[9]杨东升,姜哲.声辐射模态在声场重构中的应用[J].噪声与振动控制,2009,(2):55-58.YANG Dong-sheng,JIANG Zhe.Application of acoustic radiation modes to acoustic field reconstruction[J].NOISE AND VIBRATION CONTROL,2009,(2):55-58.
[10]吴海军.基于快速多极子边界元方法的大规模声学计算方法与应用研究[D].上海:上海交通大学,2013.WU Haijun.Study on Computational Methods and Applicetions for Large Scale Acoustic Problems Based on the Fast Multiple Boundary Element Method[D].Shanghai:Shanghai Jiao Tong University,2013.