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Additional
demodulation
English Wikipedia - The Free Encyclopedia
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Demodulation
Demodulation
is extracting the original information-bearing signal from a modulated
carrier wave
. A
demodulator
is an
electronic circuit
(or
computer program
in a
software-defined radio
) that is used to recover the information content from the modulated carrier wave. There are many types of
modulation
so there are many types of demodulators. The signal output from a demodulator may represent sound (an
analog
audio signal
), images (an analog
video signal
) or
binary
data (a
digital signal
).
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