gusucode.com > MATLAB与控制系统仿真实践 源代码 > MATLAB与控制系统仿真实践 源代码/第十四章/eg14_10.m
s=tf('s'); Gk=1/s/(0.5*s+1)/(s+1); G=feedback(Gk,1); w=logspace(-1,1); [mag,phase,w]=bode(G,w); [Mp,k]=max(mag); resonantPeak=20*log10(Mp) resonantFreq=w(k) n=1; while 20*log10(mag(n))>=-3 n=n+1; end bandwidth=w(n) bode(G,w),grid;