给出了通过MATLAB设计FIR滤波器的程序，只需要输入滤波器类型和参数就能设计出特定滤波器，并产生DSP需要的数据，很有意义。-MATLAB is given through the FIR filter design process, only the type and parameters of input filter will be able to design a specific filter, and DSP have the data needed and meaningful