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拖曳线列阵声呐的研究现状与发展趋势(英文).docx

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拖曳线列阵声呐的研究现状与发展趋势(英文) CurrentResearchStatusandDevelopmentTrendsofDraggingLineArraySonar Introduction Dragginglinearraysonartechnologyhasbeenwidelyusedinoceanographicsurveying,underwaterexploration,andfisheriesresearch,etc.Inrecentyears,therehasbeenasignificantincreaseininterestinthistechnologybecauseofitsuniquefeatures,includingitsabilitytodetecttargetswithhighresolution,highsensitivity,andlong-rangedetectioncapabilities.Thispaperwillreviewthecurrentresearchstatusanddevelopmenttrendsofdragginglinearraysonar. OverviewofDraggingLineArraySonar Dragginglinearraysonarisatypeofunderwateracousticimagingsystemthatconsistsofanarrayofhydrophones,whichareconnectedbyatowedcableandtrailedthroughthewaterwhilstcollectingsonardata.Thebasicprinciplebehinddragginglinearraysonaristhetime-of-flightprincipleofsoundwavesinwater.Signalprocessingalgorithmsareappliedtothecollecteddatatoprovideinformationregardingthelocationandcharacteristicsofunderwaterobjectsorenvironments.Theadvantagesofdragginglinearraysonarincludeitsabilitytomeasurethedirection,range,anddepthoftargetsaccurately,whichisparticularlyusefulinoceanexploration,mapping,andresourcesurveys. CurrentResearchStatus Inrecentyears,dragginglinearraysonarhasbeenextensivelydevelopedandwidelyusedinoceanographicresearch,militaryapplications,andfisheriesresearch.Someofthecurrentresearchhighlightsinthisareainclude: 1.ImprovementsinResolution–Theresolutionofdragginglinearraysonarhasbeenimprovedbyincreasingthenumberofhydrophonesandimprovingthesignalprocessingtechniques. 2.ImprovementsinSensitivity–Sensitivityhasbeenincreasedthroughtheuseofmoreadvancedhydrophonesandsignalprocessingtechniques,whichcandetectsmalleracoustictargetsatgreaterdistances. 3.ImprovementsinRange–Improvementsinrangearebeingachievedthroughthedevelopmentofnewtechniques,suchasbroadbandtransducersandtheuseofmultiplefrequencies. 4.IntegrationwithOtherTechnologies–Dragginglinearraysonarisbeingintegratedwithothertechnologies,suchasmulti-beamandside-scansonar,toimprovetheaccuracy