FIR 底通和带通滤波器和IIR 底通和带通滤波器，主同步信号PSS在时域上的相关仿真，插值与拟合，解方程，数据分析，信号处理中的旋转不变子空间法，可实现对二维数据的聚类，快速扩展随机生成树算法。- Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, PSS primary synchronization signal in the time domain simulation related, Interpolation and fitting, solution of equations, data analysis, Signal Processing ESPRIT method, Can realize the two-dimensional data clustering, Rapid expansion of random spanning tree algorithm.