提出了一种基于振荡器耦合实现超混沌保密通信的新方案.在两个RC振荡器耦合产生超混沌信号基础上,构建一个包括信息在内的非线性耦合环路,实现对信息的加密与解密.对其混沌动力学行为进行了分析,包括分岔和最大Lyapunov指数.利用数字化处理技术,对连续时间系统作离散化处理和变量比例扩张变换,最后给出了用数字信号处理器来实现该方案的设计原理与硬件实现结果.
参考文献
[1] | Pecora L M,Carroll T L.Synchronization in chaotic systems[J].Phys.Rev.Lett.,1990,64(8):821-824. |
[2] | Yang T,Chua L O.Secure communication via chaotic parameter modulation[J].IEEE Trans.CAS-I,1996,43(9):817-819. |
[3] | Dedieu H,Kennedy M P.Chaos shift keying:modulation and demodulation of a chaotic carrier using self-synchronization Chua's circuits[j].IEEE Trans.CAS-I,1993,40(10):634-642. |
[4] | Yang T,Chua L O.Chaotic digital code-division multiple access (CDMA) communication systems[J].Int.J.Bifurc.Chaos,1997,7(12):2789-2805. |
[5] | Feldmann U,Hasler M,Schwarz W.Communication by chaotic signals:The inverse system approach[J].Int.J.Circuit Theory Appi,1996,24:551-579. |
[6] | Halle K S,Wu C W,Itoh M,et al.Spread spectrum communication through modulation of chaos in Chua's circuit[J].Int.J.Bifurc.Chaos,1993,3:469-477. |
[7] | Apostolos Argyris,et al.Chaos based communications at high bit rates using commercial fibre-optic links[J].Nature,2005,437(17):343-346. |
[8] | Sushchik M,Rulkov N,larson L,et al.Chaotic pulse position modulation:A robust method of communicating with chaos[J].IEEE Commun.Lett.,2000,4:128-130. |
[9] | Agnelli F,Mazzini G,Rovatti R,et al.A first experimental verification of optimum MAI reduction in chaos-based DS-CDMA systems[C].Proc.Int.Symp.Circuits and Systems,vol.III,Sydney,Australia,2001,137-140. |
[10] | Dmitriev A,Kyarginsky B,Panas A,et al.Direct chaotic communication system:Experiments[C].Proc.Int.Workshop Nonlinear Dynamics in Electronic Systems,Delft,Netherlands,2001,157-160. |
[11] | Khadra A,Liu X Z,Shen X.Impulsively synchronizing chaotic systems with delay and applications to secure communication[J].Automatica,2005,41(9):1491-1502. |
[12] | Wu min,Qiu shuisheng.Research on a chaotic image encrypted approach[J].Journal on Communications (通信学报),2003,24(8):31-36 (in Chinese). |
[13] | Yu simin,Qiu shuisheng.The research and hardware implementation of a scheme for chaotic secure communica-tions of speech and music signals transmission[J].Journal on Communications (通信学报),2002,23(8):105-112(in Chinese). |
[14] | Kamata H,Endo T,Ishida Y.Communication with chaos via DSP implementation[C].IEEE Int.Symp.Circuits Syst,Hong Kong,1997,1069-1072. |
[15] | Cong L,et al.Design and realization of an FPGA-based generator for chaotic frequency hopping sequences[J].IEEE Trans,on CAS-1,2001,48(5):521-532. |
[16] | Chen G R,Ueta T.Chaos in Circuits and Systems[M].Singapore:World Scientific Publishing Co.,2002. |
[17] | Lu J H,Chen G R.Generating multiscroll chaotic attractors:theories,methods and applications[J].Int.J.Bifurc.Chaos,2006,16(4):775-858. |
[18] | Suykens J A K,Vandewalle J.Generation of n-double scrolls (n = 1,2,3,4,???[J].IEEE Trans.CAS-I,1993,40(11):861-867. |
[19] | Yalcin M E,J.Suykens J A K,Vandewalle J,et al.Families of scroll grid attractors[J].Int.J.Bifurc.Chaos,2002,12(1):23-41. |
[20] | Lu J H,Yu S M,Leung H,et al.Experimental verification of multi-directional multi-scroll chaotic attractors[J].IEEE Trans.CAS-I,2006,53(1):149-165. |
[21] | Yu S M,Lii J H,Leung H,et al.Design and implementation of n-scroll chaotic attractors from a general jerk circuit[J].IEEE Trans.CAS-I,2005,52(7):1459-1476. |
[22] | Yu S M,Lu J H,Chen G R.Theoretical design and circuit implementation of multi-directional multi-torus chaotic attractors[J].IEEE Trans.CAS-I,2007,54(9):2087-2098. |
[23] | Milanovic V,Zaghloul M E.Improved masking algorithm for chaotic communications systems[J].Electron.Lett.,1996,32:11-12. |
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