《数字信号处理》第二版吴镇扬课后实验答案。包括：实验三 快速傅里叶变换及其应用，实验四 IIR数字滤波器的设计。-" Digital Signal Processing" Second Edition Wu Zhenyang After experimental answer. Including: experimental three fast Fourier transform and its applications, experimental the four IIR

通信工程数字信号处理第二版第一章到第五章答案作者吴镇杨(The communication engineering digital signal processing the second edition of chapter I to chapter 5 answer author wu zhen Yang)