文件名称:Amplitude_mod_m
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- 上传时间：2012-11-16
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文件大小：729byte
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fm=input( Enter the message signal frequency fm= )
fc=input( Enter the carrier frequency fc= )
Am=input( Enter the message signal amplitude Am= )
Ac=input( Enter the carrier signal frequency Ac= )
n=input( Enter the no of DFT points: )
tm=(1/fm)
tc=(1/fc)
nfc=40
t=0:(tc/nfc):4*tm
msg=Am*cos(2*pi*fm*t)
car=Ac*cos(2*pi*fc*t)
Modulation
dsb=msg.*car
AM=(dsb/Ac)+car
figure(1)
subplot(2,1,1)
plot(t,msg)
subplot(2,1,2)
plot(t,car)
figure(2)
subplot(2,1,1)
plot(t,dsb)
subplot(2,1,2)
plot(t,AM) -fm=input( Enter the message signal frequency fm= )
fc=input( Enter the carrier frequency fc= )
Am=input( Enter the message signal amplitude Am= )
Ac=input( Enter the carrier signal frequency Ac= )
n=input( Enter the no of DFT points: )
tm=(1/fm)
tc=(1/fc)
nfc=40
t=0:(tc/nfc):4*tm
msg=Am*cos(2*pi*fm*t)
car=Ac*cos(2*pi*fc*t)
Modulation
dsb=msg.*car
AM=(dsb/Ac)+car
figure(1)
subplot(2,1,1)
plot(t,msg)
subplot(2,1,2)
plot(t,car)
figure(2)
subplot(2,1,1)
plot(t,dsb)
subplot(2,1,2)
plot(t,AM)
fc=input( Enter the carrier frequency fc= )
Am=input( Enter the message signal amplitude Am= )
Ac=input( Enter the carrier signal frequency Ac= )
n=input( Enter the no of DFT points: )
tm=(1/fm)
tc=(1/fc)
nfc=40
t=0:(tc/nfc):4*tm
msg=Am*cos(2*pi*fm*t)
car=Ac*cos(2*pi*fc*t)
Modulation
dsb=msg.*car
AM=(dsb/Ac)+car
figure(1)
subplot(2,1,1)
plot(t,msg)
subplot(2,1,2)
plot(t,car)
figure(2)
subplot(2,1,1)
plot(t,dsb)
subplot(2,1,2)
plot(t,AM) -fm=input( Enter the message signal frequency fm= )
fc=input( Enter the carrier frequency fc= )
Am=input( Enter the message signal amplitude Am= )
Ac=input( Enter the carrier signal frequency Ac= )
n=input( Enter the no of DFT points: )
tm=(1/fm)
tc=(1/fc)
nfc=40
t=0:(tc/nfc):4*tm
msg=Am*cos(2*pi*fm*t)
car=Ac*cos(2*pi*fc*t)
Modulation
dsb=msg.*car
AM=(dsb/Ac)+car
figure(1)
subplot(2,1,1)
plot(t,msg)
subplot(2,1,2)
plot(t,car)
figure(2)
subplot(2,1,1)
plot(t,dsb)
subplot(2,1,2)
plot(t,AM)
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Amplitude_mod.m
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