Application of the nonlinear methods in pneumocardiogram signals

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dc.contributor.authorYılmaz N.
dc.contributor.authorAkıllı M.
dc.contributor.authorÖzbek M.
dc.contributor.authorZeren T.
dc.contributor.authorAkdeniz K.G.
dc.date.accessioned2024-07-22T08:07:17Z
dc.date.available2024-07-22T08:07:17Z
dc.date.issued2020
dc.description.abstractIn this work, the pneumocardiogram signals of nine rats were analysed by scale index, Boltzmann Gibbs entropy and maximum Lyapunov exponents. The scale index method, based on wavelet transform, was proposed for determining the degree of aperiodicity and chaos. It means that the scale index parameter is close to zero when the signal is periodic and has a value between zero and one when the signal is aperiodic. A new entropy calculation method by normalized inner scalogram was suggested very recently. In this work, we also used this method for the first time in an empirical data. We compared the both methods with maximum Lyapunov exponents and observed that using together the scale index and the entropy calculation method by normalized inner scalogram increases the reliability of the pneumocardiogram signal analysis. Thus, the analysis of the pneumocardiogram signals by those methods enables to compare periodical and/or nonlinear aspects for further understanding of dynamics of cardiorespiratory system. © 2020, Springer Nature B.V.
dc.identifier.DOI-ID10.1007/s10867-020-09549-2
dc.identifier.issn00920606
dc.identifier.urihttp://akademikarsiv.cbu.edu.tr:4000/handle/123456789/13902
dc.language.isoEnglish
dc.publisherSpringer
dc.rightsAll Open Access; Bronze Open Access; Green Open Access
dc.subjectAnimals
dc.subjectCalibration
dc.subjectElectrocardiography
dc.subjectEntropy
dc.subjectNonlinear Dynamics
dc.subjectRats
dc.subjectReproducibility of Results
dc.subjectSignal Processing, Computer-Assisted
dc.subjectanimal experiment
dc.subjectarticle
dc.subjectcalculation
dc.subjectentropy
dc.subjectmale
dc.subjectnonhuman
dc.subjectrat
dc.subjectreliability
dc.subjectwavelet transform
dc.subjectanimal
dc.subjectcalibration
dc.subjectelectrocardiography
dc.subjectentropy
dc.subjectnonlinear system
dc.subjectreproducibility
dc.subjectsignal processing
dc.titleApplication of the nonlinear methods in pneumocardiogram signals
dc.typeArticle

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