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