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Modified projective synchronization of a fractional-order hyperchaotic system with a single driving variable被引量：4: 《Chinese Physics B》2011年第10期159-165,共7页王兴元张永雷; supported by the National Natural Science Foundation of China (Grant Nos. 60573172 and 60973152);the Superior University Doctor Subject Special Scientific Research Foundation of China (Grant No. 20070141014);the Natural Science Foundation of Liaoning Province, China (Grant No. 20082165); In this paper, the modified projective synchronization （MPS） of a fractional-order hyperchaotic system is inves- tigated. We design the response system corresponding to the drive system on the basis of projective sy...; 关键词：modified projective synchronization fractional-order hyperchaotic system single drivingvariable

An improved fast fractal image compression using spatial texture correlation被引量：2: 《Chinese Physics B》2011年第10期228-238,共11页王兴元王远星云娇娇; supported by the National Natural Science Foundation of China (Grant Nos. 60573172 and 60973152);the Superior University Doctor Subject Special Scientific Research Foundation of China (Grant No. 20070141014);the Natural Science Foundation of Liaoning Province of China (Grant No. 20082165); This paper utilizes a spatial texture correlation and the intelligent classification algorithm （ICA） search strategy to speed up the encoding process and improve the bit rate for fractal image compression. Texture f...; 关键词：fractal image compression texture features intelligent classification algorithm spatialcorrelation

An efficient adaptive arithmetic coding image compression technology: 《Chinese Physics B》2011年第10期239-245,共7页王兴元云娇娇张永雷; supported by the National Natural Science Foundation of China (Grant Nos. 60573172 and 60973152);the Superior University Doctor Subject Special Scientific Research Foundation of China (Grant No. 20070141014);the Natural Science Foundation of Liaoning Province of China (Grant No. 20082165); This paper proposes an efficient lossless image compression scheme for still images based on an adaptive arithmetic coding compression algorithm. The algorithm increases the image coding compression rate and ensures t...; 关键词：arithmetic coding ADAPTIVE image compression

Cryptanalysis of a chaos-based cryptosystem with an embedded adaptive arithmetic coder被引量：2: 《Chinese Physics B》2011年第8期97-105,共9页王兴元谢旖欣; Project supported by the National Natural Science Foundation of China (Grant Nos. 60573172 and 60973152);the Doctoral Program Foundation of Institution of Higher Education of China (Grant No. 20070141014);the Natural Science Foundation of Liaoning Province of China (Grant No. 20082165); In this paper, we analyse a new chaos-based cryptosystem with an embedded adaptive arithmetic coder, which was proposed by Li Heng-Jian and Zhang J S （Li H J and Zhang J S 2010 Chin. Phys. B 19 050508）. Although thi...; 关键词：CHAOS CRYPTOGRAPHY compression arithmetic coding

A new perturbation method to the Tent map and its application被引量：2: 《Chinese Physics B》2011年第5期191-198,共8页王兴元王林林; Project supported by the National Natural Science Foundation of China (Grant Nos. 60573172 and 60973152);the Doctoral Program Foundation of Institution of Higher Education of China (Grant No. 20070141014);the Natural Science Foundation of Liaoning Province of China (Grant No. 20082165); Disturbance imposed on the chaotic systems is an effective way to maintain its chaotic good encryption features. This paper proposes a new perturbation method to the Tent map. First it divides the Tent map domain into...; 关键词：PERTURBATION TENT DEGRADATION CHAOTIC

Impulsive synchronisation of a class of fractional-order hyperchaotic systems被引量：2: 《Chinese Physics B》2011年第3期88-94,共7页王兴元张永雷林达张娜; supported by the National Natural Science Foundation of China (Grant Nos. 60573172 and 60973152);the Doctoral Program Foundation of the Institution of Higher Education of China (Grant No. 20070141014);the Natural Science Foundation of Liaoning Province,China (No. 20082165); In this paper, an impulsive synchronisation scheme for a class of fractional-order hyperchaotic systems is proposed. The sufficient conditions of a class of integral-order hyperchaotic systems＇ impulsive synchronisat...; 关键词：hyperchaotic systems fractional-order hyperchaotic systems impulsive synchronization

Synchronization of spatiotemporal chaotic systems and application to secure communication of digital image: 《Chinese Physics B》2011年第2期125-132,共8页王兴元张娜任小丽张永雷; supported by the National Natural Science Foundation of China (Grant Nos. 60573172 and 60973152);the Doctoral Program Foundation of Institution of Higher Education of China (Grant No. 20070141014);the Natural Science Foundation of Liaoning Province,China (Grant No. 20082165); Coupled map lattices （CMLs） are taken as examples to study the synchronization of spatiotemporal chaotic systems. In this paper, we use the nonlinear coupled method to implement the synchronization of two coupled ma...; 关键词：coupled map lattice projective synchronization digital image secure communication

Projective synchronization of a complex network with different fractional order chaos nodes被引量：4: 《Chinese Physics B》2011年第1期224-228,共5页王明军王兴元牛玉军; Project supported by the National Natural Science Foundation of China(Nos.60573172and60973152);the Superior University Doctor Subject Special Scientific Research Foundation of China(Grant No.20070141014);the Natural Science Foundation of Liaoning Province,China(Grant No.20082165); Based on the stability theory of the linear fractional order system, projective synchronization of a complex network is studied in the paper, and the coupling functions of the connected nodes are identified. With this...; 关键词：fractional order different-structure complex network projective synchronization

Dynamic analysis of a new chaotic system with fractional order and its generalized projective synchronization被引量：1: 《Chinese Physics B》2010年第12期97-104,共8页牛玉军王兴元年福忠王明军; Project supported by the National Natural Science Foundation of China (Grant Nos. 60573172 and 60973152);the Doctoral Program Foundation of Institution of Higher Education of China (Grant No. 20070141014);the Natural Science Foundation of Liaoning Province,China (Grant No. 20082165); Based on the stability theory of the fractional order system, the dynamic behaviours of a new fractional order system are investigated theoretically. The lowest order we found to have chaos in the new three-dimensiona...; 关键词：dynamic analysis fractional order generalized projective synchronization Laplace transformation

Generalised synchronisation of spatiotemporal chaos using feedback control method and phase compression: 《Chinese Physics B》2010年第9期239-243,共5页王兴元张娜; supported by the National Natural Science Foundation of China (Grant Nos.60573172 and 60973152);the Doctoral Program Foundation of Institution of Higher Education of China (Grant No.20070141014);the Natural Science Foundation of Liaoning Province,China (Grant No.20082165); Coupled map lattices are taken as examples to study the synchronisation of spatiotemporal chaotic systems. First, a generalised synchronisation of two coupled map lattices is realised through selecting an appropriate ...; 关键词：coupled map lattice generalised synchronisation feedback control phase compression

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