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1、MultifractalityandheartratevariabilityRobertoSassi,MariaGabriellaSignorini,andSergioCeruttiCitation:Chaos19,028507(2009);doi:10.1063/1.3152223Viewonline:http://dx.doi.org/10.1063/1.3152223ViewTableofContents:http://chaos.aip.org/resource/1/CHAOEH/v19/i2PublishedbytheAmeri
2、canInstituteofPhysics.RelatedArticlesMultifractalanalysisofvalidatedwindspeedtimeseriesChaos23,013133(2013)Long-timedynamicsforaclassofKirchhoffmodelswithmemoryJ.Math.Phys.54,021505(2013)Investigatingtheeffectofsuspensionsnanostructureonthethermophysicalpropertiesofnanofl
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4、ormationonChaosJournalHomepage:http://chaos.aip.org/JournalInformation:http://chaos.aip.org/about/about_the_journalTopdownloads:http://chaos.aip.org/features/most_downloadedInformationforAuthors:http://chaos.aip.org/authorsDownloaded10Mar2013to115.24.240.236.Redistributio
5、nsubjecttoAIPlicenseorcopyright;seehttp://chaos.aip.org/about/rights_and_permissionsCHAOS19,0285072009Multifractalityandheartratevariability1,a22RobertoSassi,MariaGabriellaSignorini,andSergioCerutti1DipartimentodiTecnologiedell’Informazione,UniversitàdeglistudidiMilano
6、,viaBramante65,26013Crema,Italy2DipartimentodiBioingegneria,PolitecnicodiMilano,PiazzaLeonardodaVinci32,20133Milano,ItalyReceived15December2008;accepted18May2009;publishedonline30June2009Inthispaper,weparticipatetothediscussionsetforthbytheeditorofChaosforthecontroversy
7、,Isthenormalheartratechaotic?Ourobjectivewastodebatethequestion,IstheresomemoreappropriatetermtocharacterizetheheartratevariabilityHRVfluctuations?Wefocusedonthe24hRRseriespreparedforthistopicandtriedtoverifywithtwodifferenttechniques,general-izedstructurefunctionsandwa
8、velettransformmodulusmaxima,iftheymightbedescribedasbeingmultifractal.Fornormalandcongestivehear
