FIR 底通和带通滤波器和IIR 底通和带通滤波器，最终的权值矩阵就是滤波器的系数，加入重复控制，基于matlab GUI界面设计,模拟数据分析处理的过程，实现串口的数据采集。- Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, The final weight matrix is ??the filter coefficient, Join repetitive control, Based on matlab GUI interface design, Analog data analysis processing, Achieve serial data acquisition.