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+clc;
+//page no 8-60
+//Example 8.20
+fo=1126;//in kHz
+fs=670;//in kHz
+V=68;//in micro volts
+Q=50;
+fi=fo-fs;
+disp(+'kHz',fi,'Frequency of the other station fi=');
+//Log alpha=20/20
+alpha=10^1;
+rho=sqrt((alpha^2-1)/Q^2)
+disp(rho,'rho=');
+//rho=(fsi/fs)-(fs/fsi);
+//fsi=fs+2*fi; fs+2*456
+//rho=[(fs+912)/fs]-[fs/(fs+912)]
+//0.199=[(fs+912)/fs]-[fs/(fs+912)]
+//Solving for fs, we get
+fs=8500;//in kHz
+S=V/alpha;
+disp(+'micro Volt',S,'Strength of the signal=');