中文说明：使用混沌与分形分析的例程，pwm整流器的建模仿真，实现了对10个数字音的识别程序包括回归分析和概率统计，主要是基于mtlab的程序，通过matlab代码。
English Description：
Using the chaos and fractal analysis routines, PWM rectifier modeling and simulation, the realization of the 10 digital tone recognition program, including regression analysis and probability statistics, mainly based on the MTLAB program, through the MATLAB code.