说明：  混沌系统最大Lyapunov指数的估计方法，应用混沌同步条件，估计原系统最大的Lyapunov指数，以lorenz混沌为例
(The estimation of the largest Lyapunov exponent of the chaotic system, the application of chaos synchronization conditions, it is estimated that the largest Lyapunov exponent of the original system, Lorenz chaos as an example)