Results 71 to 80 of about 13,731 (261)

Chaotic stream encryption scheme based on topological conjugate chaotic systems of Tent map

工程科学学报, 2015
A general chaotic stream encryption scheme is proposed by using two chaotic systems which topologically conjugate with Tent map and a method to generate independent and identically distributed chaotic streams.
TIAN Qing, XU Zheng-guang, TIAN Li
doaj   +1 more source

Chaotic behavior in the H�non mapping

Communications in Mathematical Physics, 1979
In a previous work Henon investigated a two-dimensional difference equation which was motivated by a hydrodynamical system of Lorenz. Numerically solving this equation indicated for certain parameter values the existence of a “strange attractor”, i.e., a region in the plane which attracts bounded solutions and in which solutions wander erratically.
openaire   +3 more sources

Vapor‐Assisted Catalysis Enables Precise Construction of MOF‐Derived Hierarchical Carbon Nanoarrays for High‐Performance Supercapacitors

Advanced Science, EarlyView.
A remote‐control strategy for catalyst design is unveiled for advanced carbon materials. During pyrolysis, zinc vapor from a physically separate source guides cobalt catalysts to construct a hierarchical carbon nanoarray. This approach prevents structural collapse while directing the dense growth of carbon nanotubes, yielding a material with ...
Xiaoyang Deng, Zihao Wan, Huan Xin, Xiaoguang Wang, Wenjuan Wang, Feixiong Chen, Liying Ma, Naiqin Zhao   +7 more
wiley   +1 more source

Design of Positive, Negative, and Alternating Sign Generalized Logistic Maps

Discrete Dynamics in Nature and Society, 2015
The discrete logistic map is one of the most famous discrete chaotic maps which has widely spread applications. This paper investigates a set of four generalized logistic maps where the conventional map is a special case.
Wafaa S. Sayed, Ahmed G. Radwan, Hossam A. H. Fahmy   +2 more
doaj   +1 more source

Enhanced High Dimensionality and the Information Processing Capacity in Interfered Spin Wave‐Based Reservoir Computing, Achieved With Eight Detectors

Advanced Electronic Materials, EarlyView.
Physical reservoir computing (PRC) based on spin wave interference has demonstrated high computational performance, yet room for improvement remains. In this study, we fabricated this concept PRC with eight detectors and evaluated the impact of the number of detectors using a chaotic time series prediction task.
Sota Hikasa, Wataru Namiki, Daiki Nishioka, Maki Nishimura, Ryo Iguchi, Kazuya Terabe, Takashi Tsuchiya   +6 more
wiley   +1 more source

Enhanced logistic map with infinite chaos and its applicability in lightweight and high-speed pseudo-random bit generation

Cybersecurity
Chaotic maps are employed in cryptography and secure communications due to their unpredictable and complex dynamics. However, existing chaotic maps, specifically the one-dimensional chaotic maps, often have limited chaotic control parameter ranges, which
Mir Nazish, Munika Javid, M. Tariq Banday   +2 more
doaj   +1 more source

Synchronization of Analog Neuron Circuits With Digital Memristive Synapses: An Hybrid Approach

Advanced Electronic Materials, EarlyView.
An hybrid circuit mimicking neural units coupled using memristive synapses is introduced. The analog neurons provide flexibility and robustness, and the digital memristive coupling guarantees the full reconfigurability of the interconnection. The onset of a synchronized spiking behavior in two circuits mimicking the Izhikevich neuron is discussed from ...
Lamberto Carnazza, Francesco Maria Esposito, Carlo Famoso, Arturo Buscarino   +3 more
wiley   +1 more source

An Image Encryption Scheme Based on Hyperchaotic Rabinovich and Exponential Chaos Maps

Entropy, 2015
This paper proposes a new four-dimensional hyperchaotic map based on the Rabinovich system to realize chaotic encryption in higher dimension and improve the security.
Xiaojun Tong, Yang Liu, Miao Zhang, Hui Xu, Zhu Wang   +4 more
doaj   +1 more source

Deciphering Intricacies in Directional CO2 Conversion From Electrolysis to CO2 Batteries

Advanced Energy Materials, EarlyView.
This review will delve into the inherent connections and distinctions of CO2‐directed conversion in ECO2RR and CO2 batteries, in terms of product types, catalyst selection, catalytic mechanisms, and electrochemical performances, while proposing a benchmarking framework for the evaluation of CO2 batteries and innovative CO2 battery configurations for ...
Changfan Xu, Huaping Zhao, Lizhuang Chen, Weidong Shi, Guosheng Shao, Yong Lei   +5 more
wiley   +1 more source

CHAOTIC DIFFUSION IN MULTIDIMENSIONAL CONSERVATIVE MAPS

International Journal of Bifurcation and Chaos, 2012
In the present paper, we provide results and discussions concerning the processes that lead to local and global chaotic diffusion in the phase space of multidimensional conservative systems. We investigate and provide a measure of the extent of the domain over which diffusion may occur.
Cincotta, Pablo Miguel, Giordano, Claudia Marcela   +1 more
openaire   +2 more sources