clc; // page no 139 // prob no 4_13_1 //Noise fig. of an amplifier is 7 dB with input SNR=35 dB SNRin=35;//SNR at i/p of amplifier F=7;//Noise figure of an amplifier //Determination of output SNR SNRout=SNRin-F; disp('dB',SNRout,'The value of output signal to noise ratio is ');