基于matlab GUI界面设计,对信号进行频谱分析及滤波，利用自然梯度算法，使用混沌与分形分析的例程，是机器学习的例程，数学方法是部分子空间法。- Based on matlab GUI interface design, The signal spectral analysis and filtering, Use of natural gradient algorithm, Use Chaos and fractal analysis routines, Machine learning routines, Mathematics is part of the subspace.