Sagot :
"amplitude modulation"
[tex]\huge\green{\overline{\qquad\qquad\qquad \qquad\qquad}}[/tex]
Amplitude modulation is a modulation technique used in electronic communication, most commonly for transmitting messages with a radio wave. In amplitude modulation, the amplitude of the wave is varied in proportion to that of the message signal, such as an audio signal.
Answer:
b. amplitude modulation
Explanation:
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