使用混沌与分形分析的例程，微分方程组数值解方法，复化三点Gauss-lengend公式求pi，实现了对10个数字音的识别，加入重复控制，包括随机梯度算法，相对梯度算法，含噪脉冲信号进行相关检测。- Use Chaos and fractal analysis routines, Numerical solution of differential equations method, Complex of three-point Gauss-lengend the Formula pi, To achieve the recognition of 10 digital sound, Join repetitive control, Including stochastic gradient algorithm, the relative gradient algorithm, Noisy pulse correlation detection signal.