结构要求：采用单片机系统板实现IIR和FIR数字低通滤波器（2种方法）。-Structural requirements: Single-chip system board to achieve IIR and FIR digital low-pass filter (2 methods).

数字信号处理课程设计:IIR低通滤波器设计.详细介绍了在基于MATLAB设计低通滤波器过程中常用到的工具和命令。-Digital signal processing course design: IIR low-pass filter design details MATLAB-based design commonly used tools and commands to the low-pass filter process.

matlab数字滤波器，fir高低通滤波器，iir高低通滤波器-matlab digital filter, fir low pass filter, iir low pass filter