Question

What is the definition of modulation

Answer 1

Answer:

1:- variation in the strength, tone, or pitch of one's voice.

2:- the exertion of a modifying or controlling influence on something.

Step-by-step explanation:

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Answer 2

Answer:

A modulator is a device that performs modulation. A demodulator (sometimes detector or demod) is a device that performs demodulation, the inverse of modulation. A modem (from modulator–demodulator) can perform both operations.