English Explanatory Dictionary

quadrature amplitude modulation

English dictionary entry

Meanings

noun
  1. A modulation scheme that conveys data by applying amplitude modulation to two carrier waves at once. These two waves, usually sinusoids, are out of phase with each other by 90° and are thus called quadrature carriers. Commonly abbreviated QAM.

Word forms

quadrature amplitude modulation quadrature amplitude modulations
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