中文说明：关于非线性离散系统辨识，混沌的判断指标Lyapunov指数计算,能量熵的计算，复化三点Gauss-lengend公式求pi，未来线路预测,分析误差,已调制信号计算其普相关密度。
English Description：
On the identification of nonlinear discrete systems, the chaotic criterion Lyapunov index calculation, energy entropy calculation, a complex of three Gauss-lengend formula for PI, future line prediction, error analysis, signal modulation calculation relative density of the universal.