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Author: Saptarshi-prog

amplitude.m

@@ -0,0 +1,30 @@
+function am = amplitude
+
+Ac = input('Enter the value of carrier amplitude: ');
+m = input('Enter the value of modulation index: ');
+fc = input('Enter the value of carrier frequency: ');
+fm = input('Enter the value of message signal frequency: ');
+
+Tfm = 1/fm;
+Tfc = 1/fc;
+
+t1 = 0:Tfm/999:6*Tfm;
+t2 = 0:Tfc/999:6*Tfc;
+
+carrier_wave = Ac*sin(2*pi*fc*t2);
+subplot(3,1,1)
+plot(t2, carrier_wave, 'r');
+title('carrier signal');
+
+message_wave = (Ac/m)*sin(2*pi*fm*t1);
+subplot(3,1,2)
+plot(t1, message_wave, 'b');
+title('Message Signal');
+
+am = Ac*(1+m.*sin(2*pi*fm*t1)).*sin(2*pi*fc*t1);
+subplot(3,1,3)
+plot(t1, am, 'g');
+title('Amplitude Modulated Wave');
+grid on;
+
+end