IIR数字滤波器设计及在FDM复用信号滤波中的应用

1．熟悉用双线性变换法设计IIR数字滤波器的原理与方法；

2．掌握根据频谱图及滤波需求确定滤波器的指标参数的方法；

3．通过FDM复用信号数字滤波器的设计，掌握IIR数字滤波器的MATLAB实现方法；

4．通过观察FDM复用信号滤波前后的时域及其频谱图，建立数字滤波的感性认识。-IIR digital filter design and the FDM multiplex signal filtering application 1. Familiar with the principles and methods of bilinear transform IIR digital filter design　2. Master index parameter is determined in accordance with the filter and the filter needs spectrum method　3. FDM multiplex signal by a digital filter design, master IIR digital filter MATLAB implementation　4. By observing FDM multiplexing time domain and frequency spectrum of a signal before and after filtering, the establishment of digital filtering perceptions.