نتایج جستجو برای: correlation dimension

تعداد نتایج: 496551  

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2013
Steffen Zeeb Thomas Dahms Valentin Flunkert Eckehard Schöll Ido Kanter Wolfgang Kinzel

The attractor dimension at the transition to complete synchronization in a network of chaotic units with time-delayed couplings is investigated. In particular, we determine the Kaplan-Yorke dimension from the spectrum of Lyapunov exponents for iterated maps and for two coupled semiconductor lasers. We argue that the Kaplan-Yorke dimension must be discontinuous at the transition and compare it t...

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ژورنال: اعتیاد پژوهی 2013
احدی, حسن , رستمی, امیرمسعود , چراغعلی‏گل, هایده ,

Objective: This study aimed to predict coping strategies based on the characteristics of the stimulants-dependent people. Method: The research method was correlational. The population consisted of all stimulant-dependent individuals (n=402) that consecutively admitted to addiction centers of Tehran over the last year and had a drug dependence diagnosis. By systematic sampling, 201 subjects were...

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ژورنال: پژوهش در آموزش علوم پزشکی 2021
AshrafiFard, H, Karimi Moonaghi, H, Mansourian, Z, Sarabadani, J,

Introduction: Academic burnout is a factor in reducing productivity And resilience is one of the strategies to deal with job stress and burnout. The aim of this study was to investigate the status of academic burnout and resilience and the relationship between them in dental school professors. Methods: This descriptive-correlation study was conducted in 2015. 81 faculty members from the School ...

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2014
Juan Bolea Pablo Laguna José María Remartínez Eva Rovira Augusto Navarro Raquel Bailón

This paper presents a methodological framework for robust estimation of the correlation dimension in HRV signals. It includes (i) a fast algorithm for on-line computation of correlation sums; (ii) log-log curves fitting to a sigmoidal function for robust maximum slope estimation discarding the estimation according to fitting requirements; (iii) three different approaches for linear region slope...

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2005
Holly Waisanen Kenneth Loparo Kenneth A. Loparo

A nonlinear time series analysis technique, the correlation dimension (CD), for dimensional analysis of the EEG is proposed for the analysis of neuroplasticity in neonates at increasing gestational ages up to full term age. One hundred and sixteen EEG-polygraphic recordings were performed on 55 neonatal subjects between 28 and 43 weeks gestational age from which state assignments were initially...

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ژورنال: مجله علمی دانشگاه علوم پزشکی گرگان 2019
Alijaniha , Fatemeh , Heidari , Mohammad Reza , Kamalinejad , Mohammad , Kazemnejad , Anoshirvan , Naseri, Mohsen , Rostamani , Hamid Reza , Shaki , Zeinab ,

Background and Objective: Chronic itching reduces the quality of life of patients undergoing hemodialysis. This study was done to determine the effect of chronic itching on the quality of life of patients under hemodialysis in north of Iran. Methods: In this descriptive-analytical study, 111 patients with mean age of 58.36±12.7 years were randomly selected from hemodialysis centers of Golestan...

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Journal: :journal of sciences, islamic republic of iran 2013
t. vazifehshenas s. saberi-pouya

we calculate the stopping power for heavy-ion diclusters moving in a strongly coupled two-dimensional electron gas system by using the local field corrected dielectric function at finite temperature. we obtain a parameterized local field correction factor based on a relation between the thermal compressibility and exchange-correlation energy in two-dimension. the interpolated parameter is deriv...

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Journal: :Psychiatry and Clinical Neurosciences 2002

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Journal: :Journal of Physics A: Mathematical and General 2003

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2014
Natália de A. C. Duarte Luanda André Collange Grecco Renata Calhes Franco Nelci Zanon Cláudia Santos Oliveira

[Purpose] To investigate the correlation of functional balance with the functional performance of children with cerebral palsy. [Subjects and Methods] This was a cross-sectional study of children with cerebral palsy with mild to moderate impairment. The children were divided into 3 groups based on motor impairment. The evaluation consisted of the administration of the Pediatric Balance Scale (P...

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