amplitude modulation
noun
: 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
Examples of amplitude modulation in a Sentence
Recent Examples on the Web
How Broadcom got its start Meanwhile, Samueli’s research group at UCLA was designing all sorts of digital communications chips, using novel algorithms to implement things like QAM (quadrature amplitude modulation) modems and equalizers that had never before been done digitally.
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IEEE Spectrum, 20 Apr. 2025
Meanwhile the amplitude modulation rate of music is consistent across genres, at about 1 to 2 Hz.
—Andrew Chang, Scientific American, 18 Sep. 2024
Four-level pulse amplitude modulation (PAM4) is an encoding scheme that allows four bits of information to be transmitted every clock cycle, allowing interconnect bandwidth to increase within the physical limits imposed on these interconnects.
—Steven Woo, Forbes, 3 Sep. 2024
But good old amplitude modulation joins those shiny CDs and twisted tapes on the scrapheap of history, at least as far as the next Ford Mustang is concerned.
—Jonathan M. Gitlin, Ars Technica, 10 Mar. 2023
Wi-Fi 7 will also increase throughput by up to 20 percent by moving from Wi-Fi 6/6E's 1,024 quadrature amplitude modulation (QAM) to 4,096 QAM while adding multi-link operation (MLO) and multi-resource unit puncturing.
—Scharon Harding, Ars Technica, 4 Aug. 2022
To start with the first point, one way to view Joseph’s counsel to Pharaoh is as a counsel of smoothing – of what engineers will call amplitude modulation and financiers call ‘collaring’ or ‘volatility’-buffering.
—Robert Hockett, Forbes, 5 June 2022
Early experiments with radio communication developed amplitude modulation around 1900.
—Kiona N. Smith, Forbes, 31 May 2021
The current electric motors generate radio frequency interference (RFI) in the same wavelengths as amplitude modulation (AM) signals, creating static.
—Motormouth Bob Weber, Star Tribune, 21 May 2021
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IEEE Spectrum, 20 Apr. 2025
Meanwhile the amplitude modulation rate of music is consistent across genres, at about 1 to 2 Hz.
—Andrew Chang, Scientific American, 18 Sep. 2024
Four-level pulse amplitude modulation (PAM4) is an encoding scheme that allows four bits of information to be transmitted every clock cycle, allowing interconnect bandwidth to increase within the physical limits imposed on these interconnects.
—Steven Woo, Forbes, 3 Sep. 2024
But good old amplitude modulation joins those shiny CDs and twisted tapes on the scrapheap of history, at least as far as the next Ford Mustang is concerned.
—Jonathan M. Gitlin, Ars Technica, 10 Mar. 2023
Wi-Fi 7 will also increase throughput by up to 20 percent by moving from Wi-Fi 6/6E's 1,024 quadrature amplitude modulation (QAM) to 4,096 QAM while adding multi-link operation (MLO) and multi-resource unit puncturing.
—Scharon Harding, Ars Technica, 4 Aug. 2022
To start with the first point, one way to view Joseph’s counsel to Pharaoh is as a counsel of smoothing – of what engineers will call amplitude modulation and financiers call ‘collaring’ or ‘volatility’-buffering.
—Robert Hockett, Forbes, 5 June 2022
Early experiments with radio communication developed amplitude modulation around 1900.
—Kiona N. Smith, Forbes, 31 May 2021
The current electric motors generate radio frequency interference (RFI) in the same wavelengths as amplitude modulation (AM) signals, creating static.
—Motormouth Bob Weber, Star Tribune, 21 May 2021
Cite this Entry
“Amplitude modulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amplitude%20modulation. Accessed 20 May. 2025.
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