Question

what is modulation

Answer 1

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Your answer goes like this ..

In Electronics and Telecommunications,"Modulation"  is the process of varying one or more properties of a periodic Waveform,Which is also called as "Carrier signal",With a modulating signal that typically contains information to be transmitted.

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Answer 2

$\large{\underline{\boxed{\sf QUESTION}}}$

What is modulation?

$\large{\underline{\boxed{\sf ANSWER}}}$

Modulation is the process by which some characteristic, usually amplitude, phase angle , frequency of a high frequency carrier wave is varied in accordance with the instantaneous value of the low frequency audio signal ,which is called the modulating signal.

Modulation is used to transmit low frequency signals to long distances.