demodulation
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demodulation:
see modulationmodulation,in communications, process in which some characteristic of a wave (the carrier wave) is made to vary in accordance with an information-bearing signal wave (the modulating wave); demodulation is the process by which the original signal is recovered from the wave
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demodulation
[dē‚mäj·ə′lā·shən] (communications)
The recovery, from a modulated carrier, of a signal having substantially the same characteristics as the original signal.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
demodulation
Electronics the act or process by which an output wave or signal is obtained having the characteristics of the original modulating wave or signal; the reverse of modulation
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
demodulation
(communications)To recover the signal from the carrier.
For example, in a radio broadcast using amplitude modulation
the audio signal is transmitted as the mean amplitude of a
radio-frequency carrier so demodulation requires a circuit
which measures the amplitude and filters out the carrier.
There are many other kinds of modulation and corresponding
demodulation.
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demodulate
To isolate a data signal from a carrier wave. The demodulation circuit uses the unmodulated carrier as a reference signal and compares it to the received signal. See modulation and carrier.Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.