🇬🇧 en fr 🇫🇷

quadrature amplitude modulation noun

  • (radio) 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.
 modulation d'amplitude en quadrature
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