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demodulation

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demodulation

In radio, the technique of separating a transmitted audio frequency signal from its modulated radio carrier wave. At the transmitter, the audio frequency signal (representing speech or music, for example) may be made to modulate the amplitude (AM broadcasting) or frequency (FM broadcasting) of a continuously transmitted radio-frequency carrier wave. At the receiver, the signal from the aerial is demodulated to extract the required speech or sound component. In early radio systems, this process was called detection. See modulation.



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The R2S15500SP converts Sound Intermediate Frequency (SIF) into digital data processing demodulation.
A practical example showing the application of the demodulation technique on a roll of the third press of a paper machine is also presented.
It also covers techniques and related technology issues, including components, devices, circuits and systems involving the generation, modulation, demodulation, control, transmission and detection of microwave signals.
 
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