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In a communic...

Question

In a communication system, what is meant by modulation? State any two types of modulation.

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Solution

Modulation is the process of varying one or more properties of periodic waveform, called carrier signal, with a modulating signal that typically contains information to be transmitted.
There are two types of modulation :
(1) Amplitude Modulation (AM)
(2) Frequency Modulation (FM)

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