心音的頻譜分析研究.pdf

1、密級玉分類號TP31萬鄉(xiāng)歹謄乒亨工程碩士學位論文心音的頻譜分析研究席丹丹指導(dǎo)教師路青起副教授趙振海高級工程師申請學位級別工程碩士工程領(lǐng)域電子與通信工程2015年5月11日ResearchonthespectralanalysisofheartsoundsDiscipline：ElectronicandCommunicationEngineeringStudentSignature：i如^kSupervisorISignature：f~認

2、f汐勺●fSupervis。rIISignature：及M厶從MAbstractSincetherapiddevelopmentoftheeconomyintwentiethCenturyasdoesnotadapttoworkpressureandthesurroundingenvironment，cardiovasculardiseasehasbecomeoneofmediseaSeswithseriousharm，SOthestu

3、dyofamethodfordetectingcardiovasculardiseaseisparticularlyimportantAtpresent，ineachbighospital，thestethoscopeisthemostimportanttoolforthedetectionofheartsoundsignal，butitsanalysisandjudgmentisbyvirtueoftheexperienceofmed

4、icalworkers，whichimprovesthelimitationsandsubjectivityofthedetectionresultsForobtainingtheobjectiveandeffectivedetectionresult，thispaperdesignedtheanalysissystemofheartsoundspectrumbasedonARMandLinuxTheintroductionpartma

5、kesabasicintroductiontothesound，andintroducesthedevelopmentsituationofheartsounddetectiontechnologyathomeandabroadThenaccordingtothecurrentsituationandthedevelopmenttrendofdetectiontechnologythispaperpresentsthedesigncon

6、ceptofthespectrumanalysisofheartsoundsAndonthisbasis，thispapercompletedthehardwareandsoftwaredesignofanalysissystemFinallythispaperanalyzestheapplicationofusingheartsoundspectrumtodiagnoseheartfunctiondiseaseThroughthean

7、alysisandstudyofheartsoundsignalprocessingtechnologythispaperproposestheuseofafastFuLiyetransform(FFT)algorithmfortheprocessingoftheheartsoundsignalinthealgorithmprocessingofsoundspectrumanalysissystem；usesthe$3C2440proc