2022年第46卷第10期11UnderwaterAcousticEngineerinG水声工程文献引用格式:王文冠.船舶水下辐射噪声测量距离获取方法研究[J].电声技术,2022,46(10):11-13,30.WANGWG.Researchondistanceacquisitionmeasuringmethodofshipunderwaterradiatednoise[J].AudioEngineering,2022,46(10):11-13,30.中图分类号:TB532文献标识码:ADOI:10.16311/j.audioe.2022.10.003船舶水下辐射噪声测量距离获取方法研究王文冠(大连测控技术研究所,辽宁大连116013)摘要:海洋生物的生存环境受船舶水下辐射噪声的影响日益加剧,解决水下噪声污染问题迫在眉睫。通过开展船舶水下辐射噪声测量,进行减振降噪改进,是减小船舶水下噪声污染的有效技术手段。针对民用船舶水下辐射噪声测量无法使用水声测距的问题,提出一种船舶水下辐射噪声测量距离获取方法,融合水声测距和差分GPS定位技术,实现水听器和被测船舶间距离实时获取。经过对比试验验证,所提方法与传统水声测距方法的结果一致,误差在1m以内。所提方法还可以同步给出航速、航向信息,解决左右舷模糊问题,提升测量过程可视化水平。关键词:水下辐射噪声;水声测距;差分测距ResearchonDistanceAcquisitionMeasuringMethodofShipUnderwaterRadiatedNoiseWANGWenguan(DalianScientificTestandControlTechnologyInstitute,Dalian116013,China)Abstract:Theinfluenceofshipunderwaterradiationnoiseonmarinelivingenvironmentisbecomingmoreandmoreprominent,anditisurgenttosolvetheproblemofunderwaternoisepollution.Carryingoutthemeasurementofunderwaterradiationnoiseoftheshipisaneffectivetechnicaltoreducethenoisepollutionoftheship.Theexistingwateracousticrangingmethodcan'tbeappliedtotheunderwaterradiationnoisemeasurementofcivilships,soamethodformeasuringdistanceisproposed,integratedwateracousticranginganddifferentialGPSpositioningtechnique,realizethedistancemeasurebetweenthehydrophoneandthemeasuredship.Throughcomparisontest,theresultwasconsistentwiththetraditionalacousticrangingmethod,within1m.Thismethodcanalsoshowthespeedandcourseinformation,solvetheproblemoftheleftandrightsides,improvethemeasurementprocessvisualizationlevel.Keywords:underwaterradiationnoise;acousticranging;GPSranging0引言近年来,全球多地频发大型海洋哺乳动...