Phrase guide

quadrature amplitude modulation

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 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.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: broadcasting, media, radio

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

15 source translations are retained for this English entry.

  • Catalan: modulació d'amplitud en quadratura — method of sending information
  • Chinese Mandarin: 正交幅度调制 (zhèngjiāo fúdù tiáozhì) — method of sending information
  • Dutch: kwadratuur-amplitudemodulatie — method of sending information
  • Finnish: QAM-modulointi — method of sending information
  • Finnish: kvadratuuriamplitudimodulaatio — method of sending information
  • French: modulation d'amplitude en quadrature — method of sending information
  • German: Quadraturamplitudenmodulation — method of sending information
  • Hungarian: kvadratúra amplitúdómoduláció — method of sending information
  • Italian: modulazione di ampiezza in quadratura — method of sending information
  • Japanese: 直交振幅変調 (chokkō shinpuku henchō) — method of sending information
  • Polish: modulacja QAM — method of sending information
  • Polish: kwadraturowa modulacja amplitudowo-fazowa — method of sending information
  • Portuguese: modulação de amplitude em quadratura — method of sending information
  • Russian: квадрату́рная амплиту́дная манипуля́ция (kvadratúrnaja amplitúdnaja manipuljácija) — method of sending information
  • Spanish: modulación de amplitud en cuadratura — method of sending information