学科分类
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1 个结果
  • 简介:Consideringtheuncertaineffectsoftemporalandspatialchangesinthemarineenvironmentontheunderwateracousticenvironment,weestablishedanocean-acousticcouplednumericalmodelandperformedaparallelcalculation.Thismodelincorporatedacousticcalculationsintothedynamicocean,therebyachievingadynamicforecastingandassessmentoftheacousticenvironment.Furthermore,weadoptedtheensemblepredictionmethodtopredicttheverticalstructureoftemperatureinaclassiccross-section,thesoundspeedofthecross-sectionoftheinvestigatedseaarea,andtransmissionlosses.Wegavethepredictionerrorsofthesoundspeedprofileaswellasthe90%probabilityintervaloftransmissionlossesandtheuncertaintyhistogramsofthesoundspeeds,transmissionlosses,andsonarrangesatdifferentdepthsandfrequencies.Theresultsreflectedtheinfluenceofmarinetemporalandspacialvariationsontheuncertaintiesoftheunderwateracousticenvironment,andtheresultsalsoquantifiedtheuncertaintiesoftheunderwateracousticenvironmentparameters.Theexperimentalresultsindicatethatthemethodusedinthisstudyisabletodelineateandquantifytheuncertaintiesoftheunderwateracousticenvironmentcausedbymarinedynamicchanges.

  • 标签: 海洋声学 不确定性 声学环境 水下声学 耦合模型 水声环境