demodulation

[dee-moj-uh-ley-shuhn]
noun Telecommunications.
detection ( def 4b ).

Origin:
1920–25; de- + modulation

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demodulation (ˌdiːmɒdjʊˈleɪʃən)
 
n
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

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Computing Dictionary

demodulation definition

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.
(1998-07-29)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
Time base distortion errors can be estimated by complex demodulation.
Systems and methods are described for multidimensional signal modulation and/or demodulation for data communications.
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