Results 1 to 10 of about 1,666 (124)

A novel medical image protection scheme using a 3-dimensional chaotic system. [PDF]

open access: yesPLoS ONE, 2014
Recently, great concerns have been raised regarding the issue of medical image protection due to the increasing demand for telemedicine services, especially the teleradiology service.
Chong Fu   +4 more
doaj   +1 more source

ON THE NONEQUIVALENCE OF LORENZ SYSTEM AND CHEN SYSTEM [PDF]

open access: yesInternational Journal of Bifurcation and Chaos, 2010
In this paper, we prove that the Chen system with a set of chaotic parameters is not smoothly equivalent to the Lorenz system with any parameters.
Zhenting Hou   +4 more
openaire   +3 more sources

Experimental investigation of two-phase natural circulation loop as passive containment cooling system

open access: yesNuclear Engineering and Technology, 2021
In this study, we experimentally investigate of a two-phase natural circulation loop that functions as a passive containment cooling system (PCCS).
Sun Taek Lim   +4 more
doaj   +1 more source

Systematic Review of Geometrical Approaches and Analytical Integration for Chen’s System

open access: yesMathematics, 2020
The main goal of this paper is to present an analytical integration in connection with the geometrical frame given by the Hamilton–Poisson formulation of a specific case of Chen’s system. In this special case we construct an analytic approximate solution
Remus-Daniel Ene   +2 more
doaj   +1 more source

Color Image Encryption Algorithm Based on Cross-Spiral Transformation and Zone Diffusion

open access: yesMathematics, 2023
Due to their rich information, color images are frequently utilized in many different industries, but the network’s security in handling their delivery of images must be taken into account.
Xiaoqiang Zhang, Mi Liu, Xiaochang Yang
doaj   +1 more source

Decolonial interventions in the postwar politics of Japanese education: Reassessing the place of Shinto in Japanese language and moral education curriculum

open access: yesRevista Española de Educación Comparada, 2023
Much of postwar politics in Japanese education has revolved around the tensions between conservative’s retrogressive desire for the imperial past on the one hand and the liberal-left’s progressive agenda on the other.
Keita Takayama
doaj   +1 more source

Discovering the Prosodic Domain of Aceh Hakka Tone Sandhi

open access: yesLingua Cultura, 2023
The research investigated the tonal system of the Hakka dialect spoken in the Aceh province of Indonesia. The aim of the research was twofold. First, it retranscribed the dialect’s tonal inventory and provided a comparison with Meixian Hakka and the ...
Johnny Lee, Wang-Chen Ling
doaj   +1 more source

An On-Line Tracker for a Stochastic Chaotic System Using Observer/Kalman Filter Identification Combined with Digital Redesign Method

open access: yesAlgorithms, 2017
This is the first paper to present such a digital redesign method for the (conventional) OKID system and apply this novel technique for nonlinear system identification.
Tseng-Hsu Chien, Yeong-Chin Chen
doaj   +1 more source

RBF neural network based creep model of red clay-anchor interface

open access: yesYantu gongcheng xuebao, 2018
The creep characteristics of red clay-anchor interface are recognized to dominate essentially the long-term stability of red soil anchored slope. A customized test system for soil-anchor interface shear creep performance is used to study the creep ...
GAO Jie , ZHU Shi-min , CHEN Chang-fu
doaj   +1 more source

Permanence for a Discrete Model with Feedback Control and Delay

open access: yesDiscrete Dynamics in Nature and Society, 2008
The permanence of a single-species population discrete model with feedback control is considered. We found that if we use the method of comparison theorem, then the additional condition, to some extent, is necessary.
Yong-Hong Fan, Lin-Lin Wang
doaj   +1 more source

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