amplitude modulation

noun

Definition of amplitude modulation

: modulation of the amplitude of a radio carrier wave in accordance with the strength of the audio or other signal also : a broadcasting system using such modulation — compare frequency modulation

First Known Use of amplitude modulation

1921, in the meaning defined above

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The first known use of amplitude modulation was in 1921

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Cite this Entry

“Amplitude modulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amplitude%20modulation. Accessed 11 Aug. 2020.

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