This scheme can improve the chaotic and hyperchaotic synchronization , and the system that has been designed on this scheme is more applicative 这种方案不仅改善了混沌和超混沌同步的效果，而且由此设计出的系统更适合于实际应用。
The proposed method only needs to nansfer a scalar signal and provides higher security due to the use of hypemhaos 提出的扩频保密通信方法不仅只需传递一个标量信号，而且由于采用了超混沌系统，所设计的扩频通信系统具有更高的保密性。
It is possible that hyperchaotic circuits are controlled to special signal producer and signal exchanger by using this method of hyperchaos control 这种超混沌控制方法为将超混沌电路应用于特殊信号发生器或信号变换器提供了一种可能途径。
We first advanced the scheme of chaotic and hyperchaotic synchronization system with a scalar transmitted signal through the method of rotate variable of system 首次提出通过旋转系统变量的方式只用单一发送信号同步混沌和超混沌系统的方案。
There is no report about circuit experiment of discrete chaotic and hyperchaotic synchronization up to now , so our experiment is innovatory 迄今为止，几乎未见有关实现离散系统混沌或超混沌同步的电路实验报道，这是我们的实验工作有新意之处。
The dissertation can be divided into two parts : the control , synchronization of drefls and its application ; optical spatiotemporal pattern in a ring optic cavity 全文分为两大部分：掺铒光纤激光器的混沌超混沌的控制、同步及其应用，二能级介质的光学时空斑图。
The hyperchaotic circuits are controlled to their stable equilibriums as well as np periodic orbits by change the external controlling parameter , such as the magnitude of modulation 通过改变外部控制参数，如调制幅度，把超混沌电路控制到稳定的平衡状态和np周期轨道。
Make used of nonlinear dynamic equation and hyperchaotic circuit and through spread spectrum sequence or hyper chaos design the secure secrecy unit of hyperchaotic device 利用非线性动力学方程和超混沌电路，通过扩频序列或者超混沌设计出能够实现超混沌加密的单元器件。
Through secrecy communication contrast the time series with disperse in the hyperchaotic system ; more discuss its some problem such as modulation and demodulation , anti - jamming and bit error rate 通过时间连续与离散的超混沌保密通信对比，进一步讨论超混沌通信过程中的调制解调、杭干扰和误码率问题。
The control of hyperchaos in the circuit with the method of pp - sv is also realized in the paper . by the improved method , the experimental results accord with the numerical results 在电子线路实验中实现了pp - sv法对超混沌电路的控制，将改进的控制方式用于该电路，也得到与数值计算十分符合的理想效果。
