(New page: == DEMODULATION FOR SINUSOIDAL AM == <math>y(t) = x(t)cos{w_{c}t}</math>) |
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== DEMODULATION FOR SINUSOIDAL AM == | == DEMODULATION FOR SINUSOIDAL AM == | ||
<math>y(t) = x(t)cos{w_{c}t}</math> | <math>y(t) = x(t)cos{w_{c}t}</math> | ||
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+ | the original signal can be recovered by modulating y(t) with the same sinusoidal carrier and applying a lowpass filter to the result. | ||
+ | |||
+ | consider, | ||
+ | |||
+ | <math>w(t) = y(t)cos{w_{c}t}</math> |
Revision as of 17:42, 17 November 2008
DEMODULATION FOR SINUSOIDAL AM
$ y(t) = x(t)cos{w_{c}t} $
the original signal can be recovered by modulating y(t) with the same sinusoidal carrier and applying a lowpass filter to the result.
consider,
$ w(t) = y(t)cos{w_{c}t} $