Unique normal forms near a degenerate elliptic fixed point in two-parametric families of area-preserving maps [PDF]
, 2014 We derive simplified normal forms for an area-preserving map in a neighbourhood of a degenerate resonant elliptic fixed point. Such fixed points appear in generic families of area-preserving maps. We also derive a simplified normal form for a generic two-
Gelfreikh, Natalia, Gelfreich, Vassili
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Chaos and bifurcations in chaotic maps with parameter q: Numerical and analytical studies
Nonlinear Analysis, 2015 In this paper, a class of chaotic maps with parameter q are introduced and bifurcations and chaos in proposed maps are numerical and analytical studied.
Hao Zhang, Xing Yuan Wang, Xiao Hui Lin
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Chaos communication performance : theory and computation [PDF]
, 2010 In this paper new and existing approaches are developed to compute the bit error rate for chaos-based communication systems. The multi-user coherent antipodal chaos shift keying system is studied and evaluated in its coherent form, in the sense of ...
Lawrance, Anthony J. +11 more
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Light-Weighted Password-Based Multi-Group Authenticated Key Agreement for Wireless Sensor Networks
Applied Sciences, 2019 Security is a critical issue for medical and health care systems. Password-based group-authenticated key agreement for wireless sensor networks (WSNs) allows a group of sensor nodes to negotiate a common session key by using password authentication and ...
Mao-Sung Chen +2 more
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Leading Ruelle resonances of chaotic maps [PDF]
Physical Review E, 2000 5 pages, 4 figures included. To appear in Phys.
Blum, Galya, Agam, Oded
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ESTIMATING HYPERBOLICITY OF CHAOTIC BIDIMENSIONAL MAPS [PDF]
International Journal of Bifurcation and Chaos, 2012 We apply to bidimensional chaotic maps the numerical method proposed by Ginelli et al. [2007] to approximate the associated Oseledets splitting, i.e. the set of linear subspaces spanned by the so-called covariant Lyapunov vectors (CLV) and corresponding to the Lyapunov spectrum.
Matteo Sala +2 more
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Performance evaluation of chaotic spreading sequences on software-defined radio
EURASIP Journal on Wireless Communications and Networking, 2017 In this paper, bit error performance evaluation of chaotic sequences is presented. Performance of chaotic sequences is evaluated on multiple access spread spectrum system model for USRP software defined radio.
Leonard Novosel, Gordan Šišul
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Statistical Analysis of Multiple Access Interference in Chaotic Spreading Sequence Based DS-CDMA Systems [PDF]
Electronics, 2017 This paper presents a statistical analysis of multiple access interference (MAI) in Direct Sequence Code Division Multiple Access (DS-CDMA) communication systems based on different types of chaotic spreading sequences. The probability distribution of the
A. Litvinenko, E. Bekeris
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An n-Dimensional Chaotic Map with Application in Reversible Data Hiding for Medical Images
EntropyThe drawbacks of a one-dimensional chaotic map are its straightforward structure, abrupt intervals, and ease of signal prediction. Richer performance and a more complicated structure are required for multidimensional chaotic mapping.
Yuli Yang +5 more
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A secure image encryption scheme based on chaotic maps and affine transformation
, 2016 Due to the interesting nonlinear dynamic properties of chaotic maps, recently chaos-based encryption algorithms have gained much attention in cryptographic communities.
Hwang, Seong Oun, Ahmad, Jawad
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