Question

What is modulation? And where it is utilized?

Answer 1

In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a modulating signal that typically contains information to be transmitted.

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Answer 2

Modullation allows us to send a signal over a bandpass frequency range. If every frequency get its own range, then we can transmit multiple signals simultaneously over a signal channel, all using different frequent ranges. Another reason to modulate a antenna

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