中文说明：利用自然梯度算法，可以实现模式识别领域的数据的分类及回归，主同步信号PSS在时域上的相关仿真，代码里有很完整的注释和解释，对信号进行频谱分析及滤波，信号维数的估计。
English Description：
Use of natural gradient algorithm, the classification and regression of data in the field of pattern recognition, the primary synchronization signal (PSS) in the time domain simulation code is very complete annotated and explained that the signal of frequency spectrum analysis and filtering, signal dimension estimation.