利用AF-BW filter及双线性变换法设计一DF，满足Wp=0.2p, Ws=0.6p, Ap£ 2dB, As³ 15dB -use AF-BW and bilinear transform filter design a DF, meet Wp = 0.2p, Ws = 0.6p, Ap

基于matlab的低通有源滤波器设计wp=30hz，ws=40hz，rp=0.5，rs=40，fs=100hz. -Matlab-based low-pass active filter design wp = 30hz, ws = 40hz, rp = 0.5, rs = 40, fs = 100hz.