统计最优柱面近场声全息参数选取方法研究  

Research on parameter selection for the statistically optimal cylindrical near-field acoustical holography

作　　者：李彪 李希友 王志强 刘兴华 LI Biao;LI Xi-you;WANG Zhi-qiang;LIU Xing-hua(Dalian Scientific Test and Control Technology Institute, Dalian 116013, China)

机构地区：[1]大连测控技术研究所,辽宁大连116013

出　　处：《舰船科学技术》2018年第3期120-127,共8页Ship Science and Technology

基　　金：国家自然科学基金资助项目(51606176)

摘　　要：针对柱面统计最优近场声全息声源定位技术实船应用问题,研究建立近场声全息实用化参数选取方法。根据扫描法测量全息面复声压获取方式及柱面统计最优近场声全息算法数学模型,通过理论计算,获取与分析影响声源定位精度的近场声全息测量系统参数和信息处理过程参数及其影响关系,确定测量系统参数与信息处理参数选取方法,建立柱面统计最优近场声全息实用化信息处理技术。通过数值仿真与模型试验,验证参数选取方法的有效性,为实船机械声源近场声全息定位提供实用化参数选取依据。Aiming at the application of acoustic source localization technique based on cylindrical statistic optimal near-field acoustical holography, study on the parameter selection of near-field acoustical holography. According to the scanning measurement method of the complex sound pressure of holographic plane and cylindrical statistic optimal near-field acoustical holography algorithm mathematical model, this paper analyzes the near-filed acoustic holography measurement system parameters influencing the source localization accuracy, and develops the system parameters and information processing parameters selection method. In addition, this paper establishes cylindrical statistically optimal near-field acoustical holography practical information processing technology. Through numerical simulation and model test,the validity of the parameter selection method is verified, which provides a practical basis for parameters selection for submarine the near-field acoustical holography.

关 键 词：统计最优 近场声全息 声源定位 

分 类 号：TB532[理学—物理]