基于DSP的胎兒心電分離系統(tǒng)設(shè)計.pdf

1、鄭州大學碩士學位論文基于DSP的胎兒心電分離系統(tǒng)設(shè)計姓名：李軒昂申請學位級別：碩士專業(yè)：信號與信息處理指導教師：穆曉敏201105AbstraetAbstractPerinatalmedicineiSabecomingrapiddevelopmentsciencethel970sItiSextremelycmcialsignificancetoestablishperinatalmedicineforreducingfetusorinf

2、antrate，ensuringmaternalorinfanthealthandimprovingthenextgenerationqualityFetalmonitoringiSoneofthemostimportantamongthecontentsofperinatalmedicineBythedevelopmentofscienceandtechnology，thetraditionalfetalheartratesguard

3、ianshipcannotsatis矽thedemandsofthecontinuouslydevelopmentoffetalmonitoringFECGsignalwithhi曲qualityindicatesthepotentialvaluesofparamountdiagnosisandclinicItcanprovidemorecustodyonfetalinformationinuterocomparedwiththetra

4、ditionalfetalheartratesguardianshipTherefore，itbecamethehotcurrentresearchestOdesignafetalECGseparationsystemandgetclearFECGinthisfieldCurrently，onthemarkets，themostfetalECGmonitoringinstrumentsaremainlydesignedforhospit

5、alsandothermedicalinstitutionsItisnotonlyexpensive，butalsoneedshugevolumeandnot。easilyforportableAtthesametime，alongwiththeimprovementofpeople‘Slivingstandards，themedicalequipmentsgraduallybecomesmallerandsmallerandmores

6、uitableforfamilycaresothepracticalityandportabilityofmedicalequipmenthasfacedtohigherrequirementsnusithasimportantsignificancestOdesignanexcellentperformance，easilyportableandpriceappropriatefetalECGseparationsystemThema

7、inworksinthispaperarelistedasfollows：First，itintroducedtheimportantsignificanceofacquireFECGsignal，explainedthegenerationprincipleandcharacteristicsoftheECGsignalMoreoveritalsoanalyzedinterferenceandnoiseofthewholesystem

8、，designedECGsignalacquisitionmoduleofexcellentperformance，whichareincludingECGsignalamplifierandfiltercircuitsSecondlyitdescribedtheselectionofDSPchipsTMS320VC5509ADSPwasadoptedasthemaincontrolchipoftheFECGseparationsyst

9、emTM$320VC5509Achipisalowpowerlow—cost，andhighperformanceproductofTICompanyWththeTMS320VC5509A，itdesignedthesystemcircuits，includingsampling，storageandPCinterfacecircuitsThenitillustratedsoftwaredesignofsystemCorrespondi