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1、論文分類號(hào):TP368.22012屆本科生畢業(yè)論丈&殳計(jì)丿題目:基于LabVIEW的多功能示波器的設(shè)計(jì)作者姓名:陳倉(cāng)學(xué)號(hào):2008080507系(院):機(jī)械與電子工程學(xué)院專業(yè):電氣工程及其自動(dòng)化指導(dǎo)教師姓名:陳欣歡指導(dǎo)教師職稱:助教(碩士)2012年03月11HSuZhouUniversityYear2012BachelorDegreeGraduationThesis(Design)Title:MultiplefunctionsbasedonLabVIEWoscilloscopedesignAuthor:ChenCangStudentID:200808
2、0507Department:MechanicalandElectronicEngineeringFacultyMajor:ElectricalEngineeringandAutomationInstructor:CHENXin-HuanInstructorProfessionalTitle:Assistant(Master)March,11,2012示波器是科學(xué)研究工程設(shè)計(jì)屮廣泛應(yīng)用的一種通用儀器,虛擬數(shù)字存儲(chǔ)示波器是虛擬示波器技術(shù)的一種具體應(yīng)用。木設(shè)計(jì)主要用強(qiáng)大的圖形化虛擬儀器開(kāi)發(fā)平臺(tái)LabVIEW,完成虛擬雙蹤示波器的設(shè)計(jì)。木設(shè)計(jì)采用模塊化的設(shè)計(jì)
3、思想,將每個(gè)功能都由一個(gè)模塊來(lái)完成,主要有數(shù)據(jù)采集、數(shù)據(jù)處理和結(jié)果顯示三大部分組成。其中數(shù)據(jù)釆集模塊主要由信號(hào)發(fā)生、觸發(fā)控制和采樣控制組成;信號(hào)分析和處理模塊由濾波、頻譜分析、加窗處理和波形存儲(chǔ)和冋放組成;波形顯示模塊由時(shí)基控制。數(shù)據(jù)處理和結(jié)果顯示都是由計(jì)算機(jī)軟件系統(tǒng)來(lái)完成,而數(shù)據(jù)采集是計(jì)算機(jī)控制下的硬件來(lái)完成的。最后對(duì)多功能示波器進(jìn)行了系統(tǒng)測(cè)試和性能分析,實(shí)驗(yàn)效果達(dá)到了預(yù)先的設(shè)計(jì)要求。木文所設(shè)計(jì)的多功能示波器具有通用功能外,乂優(yōu)于普通示波器,具有口身的優(yōu)點(diǎn),如濾波、頻譜分析、波形的存儲(chǔ)和調(diào)用,其成本低廉,功能可根據(jù)應(yīng)用的需要進(jìn)行擴(kuò)展。關(guān)鍵詞:虛擬儀器
4、;多功能示波器;LabVIEWABSTRACTOscilloscopeisscientificresearchengineeringdesignintheextensiveapplicationofauniversalinstrument,virtualdigitalstorageoscilloscopeisavitualoscilloscopetechnologyinaspecificapplication.ThisdesignmainlyusespowerfulgraphicvitualinstrumentdevelopmentplatformLa
5、bVIEW,completeavitualoscilloscopedesign.Thisdesignusesthemodulardesign,eachfuntionbyamoduletocomplete,mainlyincludedataacquisition,dataprocessingandresultdisplayofthreemajorcomponents.Thedatacollectionmoduleismainlycomposedofasignalgenerator,triggercontrolandsamplingcontrolcompo
6、nents,signalanalysisandprocessingmoduleconsistsoffilering,spectrumanalysis,winowprocessingandwaveformstorageandplaybackcompoment.waveformdisplaymodulecomprisesatime-basecontrol.Dataprocessingandresultdisplayaremadebycomputersoftwaresystemtocompletedataacquisition,whichisunderthe
7、controlofcomputerhardwavetofinishthe.Themultifunctionaloscillascopesystemtestingandperformanceanalysis,experimentaleffectreachestheexpecteddesignrequirements-Thedesignofthemultifuntionaloscilloscopehasthegeneralfuntion,andissuperiortoordinaryoscilloscope,hasitsownadvantages,such
8、asfiltering,spectrumanalysis,waveformstorageand