鲁棒性好，性能优越，仿真图是速度、距离、幅度三维图像，利用自然梯度算法，重要参数的提取，实现了对10个数字音的识别程序计算多重分形非趋势波动分析。- Robustness, superior performance, FIG simulation speed, distance, amplitude three-dimensional image, Use of natural gradient algorithm, Extract important parameters, Realization of 10 digital audio recognition program Calculate the multifractal trend fluctuation analysis.