clc; //page no 8-51 //Example 8.12 fi=455*10^3;//in Hz fsi=2000*10^3;//in Hz Q=50; fs=[(fsi-(2*fi))/1000];//in kHz disp(+'kHz',fs,'Signal frequency is '); rho=(fsi/[fs*10^3])-([fs*10^3]/fsi); disp(rho,'rho='); alpha=sqrt(1+(Q^2*rho^2)); disp(alpha,'Image frequency ratio is ');