Definition of quadrature amplitude modulation in English:

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quadrature amplitude modulation

noun

[mass noun] Telecommunications
A modulation system used in microwave and satellite communication, involving phase and amplitude modulation of a carrier wave.
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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