内附实验报告、源码及参考资料。1.基于FDATool的FIR及IIR滤波器设计，2.利用函数法设计FIR及IIR滤波器（包括：窗函数法、频率响应采样法、单位脉冲响应法、双线性法）-Enclosing the lab reports, source code and reference materials. 1. FDATool of FIR and IIR filter design based on the use of 2 function design FIR and IIR filters (including: window function method, frequency response sampling method, unit impulse response method, bilinear method).