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Dependency Structures in Differentially Coded Cardiovascular Time Series
المؤلفون المشاركون
Tasic, Tatjana
Jovanovic, Sladjana
Mohamoud, Omer
Skoric, Tamara
Japundzic-Zigon, Nina
Bajic, Dragana
المصدر
Computational and Mathematical Methods in Medicine
العدد
المجلد 2017، العدد 2017 (31 ديسمبر/كانون الأول 2017)، ص ص. 1-17، 17ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2017-01-03
دولة النشر
مصر
عدد الصفحات
17
التخصصات الرئيسية
الملخص EN
Objectives.
This paper analyses temporal dependency in the time series recorded from aging rats, the healthy ones and those with early developed hypertension.
The aim is to explore effects of age and hypertension on mutual sample relationship along the time axis.
Methods.
A copula method is applied to raw and to differentially coded signals.
The latter ones were additionally binary encoded for a joint conditional entropy application.
The signals were recorded from freely moving male Wistar rats and from spontaneous hypertensive rats, aged 3 months and 12 months.
Results.
The highest level of comonotonic behavior of pulse interval with respect to systolic blood pressure is observed at time lags τ=0, 3, and 4, while a strong counter-monotonic behavior occurs at time lags τ=1 and 2.
Conclusion.
Dynamic range of aging rats is considerably reduced in hypertensive groups.
Conditional entropy of systolic blood pressure signal, compared to unconditional, shows an increased level of discrepancy, except for a time lag 1, where the equality is preserved in spite of the memory of differential coder.
The antiparallel streams play an important role at single beat time lag.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Tasic, Tatjana& Jovanovic, Sladjana& Mohamoud, Omer& Skoric, Tamara& Japundzic-Zigon, Nina& Bajic, Dragana. 2017. Dependency Structures in Differentially Coded Cardiovascular Time Series. Computational and Mathematical Methods in Medicine،Vol. 2017, no. 2017, pp.1-17.
https://search.emarefa.net/detail/BIM-1141987
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Tasic, Tatjana…[et al.]. Dependency Structures in Differentially Coded Cardiovascular Time Series. Computational and Mathematical Methods in Medicine No. 2017 (2017), pp.1-17.
https://search.emarefa.net/detail/BIM-1141987
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Tasic, Tatjana& Jovanovic, Sladjana& Mohamoud, Omer& Skoric, Tamara& Japundzic-Zigon, Nina& Bajic, Dragana. Dependency Structures in Differentially Coded Cardiovascular Time Series. Computational and Mathematical Methods in Medicine. 2017. Vol. 2017, no. 2017, pp.1-17.
https://search.emarefa.net/detail/BIM-1141987
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1141987
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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