Definition of quadrature amplitude modulation in English:

quadrature amplitude modulation

Line breaks: quad¦ra|ture amp¦li|tude modu|la¦tion


[mass noun] Telecommunications
A modulation system used in microwave and satellite communication, involving phase and amplitude modulation of a carrier wave.
More example sentences
  • A quadrature amplitude modulation trellis coded modulation decoder for decoding a stream of QAM TCM signals is disclosed.
  • An SCM modulator uses the digital component to create a low-order QAM (quadrature amplitude modulation) symbol.
  • Because Ultraband utilizes ITU-grade QAM (quadrature amplitude modulation), it requires lower plant noise floors.

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