基于小波分析的心電信號(hào)去噪研究.pdf

1、華中師范大學(xué)碩士學(xué)位論文基于小波分析的心電信號(hào)去噪研究姓名：羅強(qiáng)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電路與系統(tǒng)指導(dǎo)教師：田化梅20060501⑧碩士學(xué)住論文MASTER’STIIESISAbstractThetheoryoft王lewaveleIod西nateswithmathematicians，physidstsanden舀neerstogether’andnoW，thewaveletanaiysisisVeryPopularinmanyfie

2、lds0fscicnoeasoneofthemost礎(chǔ)cienttOOItoanalysisordealtheprobl鋤，fIlnhemore，itwillstillprO掣essfonⅣardiIIthefIlturc1bstudytllenewtIIeorymethodsaIldapplicaIionsofwaveletsisof掣eattheoreticalsi伊ificanccaIldpfacticalvalueEstimat

3、ingtheofiginalsignalsf幻mnoisehasal、Ⅳaysbeen姐importantpartillthefieldofsi印alpIocessingBec卸seofit’sfinetime丘踟uency10calizationch盯ac吲stic，wavelett枷sfo冊(cè)c柚dfectivelydiscfiminatcsi薩alsf如mnoiseandachjevesprettygIDodpcdb徹ancc。Th

4、ispaperchicnystIldyillgtIleapplicationOfwavelet柚alysisinECGsi弘aldenoisingFi剛y，thispaperintroducethetheoryofw勰elct徹dpTindpleofsi驢aldenoisillgbasedonwavelet，釉dthenstudyingseV啪ldcnoisingmetllodsBecausetll|燃holddenoisinghass

5、ilnPlcalgorit岫and900dde∞isingrc如lt，mofeoVeritisthcb鷓eofothcrdenoisiIlgmcthodsdiscussedinthispaper’thispapcrmakeacomparis帆stlIdyofECGsignaldenoisiⅡgbascd0nhtATI。ABplatfb皿，usmgdifferentthrcshOldfllnctionsandthresholdValue，

6、butusingonewavelet如nctionB鵲edOnprincipleoftllresholddenoisiIIg，severalⅡewwaVelet釉alysis盯ehtroducedtoECGsignaldeIloisingW娃hsameconditionthispapercompared也ercsultsofmesemethodswiththercsultoftllresholddenoisingEortllesakeo

7、fsuppfcssingGib_bsphenomenaandrcserv髂chamctcrofEcGsignal，thcstatioⅡ盯ywavelettr鋤sfbmisproposcdinthispapefit，sexperimentresultisp∞tty900d；Whveletpacketanalysis啪getmoretime行equency10cdIizationch甜acteristicinfonnation，it’sap

8、plicationinECGsi印aldenoisjngisrcsearched，experimentalresultisbettert壬lanthemetIlodbaSedonwaVelet；／npfesent，liftingschemeisaIInewmethodforconstnldingwaveletsandperfo咖ingwavelettrallsfoHn，itisintroducedinECGsignaldenoising

9、ExperimentresultshOwsdenoisingperfoⅡnance0fthemeⅡ10dbasedon1iftingwaveletisapproximatetothem甜lodbasedonwavelettr孤sfo瑚AsarisiIlgbmchofmetheoryofwaVeletanalysis，MultiwaVeletsisnowbeingstud主edonthefirstst印，Morercsearchesont