FM without noise





Fs = input( enter the value of Fs ) Sampling rate of signal

Fc = input( enter the value of Fc ) Carrier frequency

t = [0:Fs] /Fs Sampling times

x = sin(2*pi*20*t) +2*sin(2*pi*60*t) Channel

dev = input( enter the value of dev ) Frequency deviation in modulated signal

y = fmmod(x,Fc,Fs,dev) Modulate both channels.

z = fmdemod(y,Fc,Fs,dev) Demodulate both channels.

figure

subplot(3,1,1)

plot(x)

subplot(3,1,2)

plot(y)

subplot(3,1,3)

plot(z)

-FM without noise





Fs = input( enter the value of Fs　)　　Sampling rate of signal

Fc = input( enter the value of Fc　)　　 Carrier frequency

t = [0:Fs] /Fs　　Sampling times

x = sin(2*pi*20*t) +2*sin(2*pi*60*t)　　Channel　

dev = input( enter the value of dev　)　 Frequency deviation in modulated signal

y = fmmod(x,Fc,Fs,dev)　　Modulate both channels.

z = fmdemod(y,Fc,Fs,dev)　　Demodulate both channels.

figure

subplot(3,1,1)

plot(x)

subplot(3,1,2)

plot(y)

subplot(3,1,3)

plot(z)