Other the hyperchaos application software is designed which can be used to operate on computer and realize multimedia secrecy function such as text files , picture files , speech language and so on 设计开发一个能够在计算机上运行并能够实现超混沌加密图文图像等多媒体文档的应用柏逢明:博士学位论文软件。
All the three schemes have achieved perfect result , and they provide abundant theory foundation for the practice application of chaotic and hyperchaotic synchronization , so they have instructive meaning 文中讨论的三种同步方法均取得了很好的同步效果，为混沌和超混沌同步在实际中的应用提供了丰富的理论基础，具有一定的指导意义。
Through analyzing the dynamical properties of cellular neural networks ( cnn ) , hyper - chaos is generated . the . author proposes a novel synchronization scheme for encrypting plain signals 通过对细胞神经网络( cnn )动态特性的研究，把产生的超混沌应用到信号加密中，提出了一种新的混沌同步方案，理论分析和实验仿真结果表明，保密效果良好。
Adopt a classical clhs hyperchaotic dynamics system as research problem object . use the unit of function circuit to construct one 4d and two 5d hyperchaotic circuit systems , and make it to be controlled and synchronized 以经典clhs超混沌动力学系统作为问题切入点，利用单元功能电路研究构建一个四阶和两个五阶超混沌电路，并加以控制和同步。
The paper researches on the control of chaos or hyperchaos via the method of the tune - delayed feedback control ( dfc ) , the proportional periodic pulse perturbation to the system variables ( pp - sv ) and limiting amplitude 本文主要对时间延迟反馈法( dfc ) 、正比于系统变量的周期脉冲扰动法( pp - sv )及限幅法这三种控制混沌和超混沌系统的方法展开了研究工作。
In the process of discussion , theoretic analysis , numerical calculation and circuit experiment have been integrated and they provide theory and experiment foundation for practical application of chaotic and hyperchaotic synchronization 在讨论的过程中将理论分析、数值计算以及电路实验有机地结合起来，为混沌和超混沌同步在实际中的应用提供了理论基础和实验依据。
The results of theory and numerical simulation all indicate that the double feedback method can enlarge the controllable parameter range and improve the quality of control . the double feedback method is propitious to apply in practice 从实际应用出发，首次提出一种实用而简便的幅值比较扰动变量控制方法，并将它应用于控制低维系统的混沌和超混沌以及时空系统的混沌。
The method of pp - sv is improved according to the questions in controlling chaos and hyperchaos systems with it . the high - dimension continuous hyperchaos system and the discrete hyperchaos system are studied respectively with the method proposed 针对应用pp - sv法对混沌或超混沌系统进行控制时存在的问题，我们提出了改进的方法并对高维的连续和离散系统模型分别进行了有效控制。
In this paper , we mainly studied on control and synchronization in chaotic and hyperchaotic circuits as well as on secure communication based on hyperchaos synchronization . five pieces of research results are finished . better results are obtained 本文主要研究了非线性电路中混沌、超混沌的控制与同步，以及基于超混沌同步的保密通信系统的设计，主要完成了以下五项工作，获得了很好的结果。
The 4d oscillator circuit is simple and easy to realize in reality , which shows complicated dynamic character , and it is a hyperchaotic system , it will show great value to study and research the synchronization and control of this hyperchaotic system 四维l . c振子电路系统结构简单，具有复杂的动力学行为，是一个超混沌系统，对该系统进行同步与控制的研究将具有潜在价值。本文针对这个模型做了以下工作。
