Question

What is meant by detection of modulated carrier wave? Explain briefly steps for detection?

Answer 1

Detection of amplitude modulated wave. Detection is the process of recovering the modulating signal from the modulated carrier wave. The transmitted message gets attenuated in propagating through the channel.

Answer 2

Detection is the process of retrieving the original signal from the modulated form. Consider the above diagram showing 'demodulation' of a received signal. The original frequency of the signal is let us say 'ωc' corresponding to the signal 'c' in the diagram.

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