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Quadrature amplitude modulation — (QAM) (Pronounced IPA|kwa:m) is a modulation scheme which conveys data by changing ( modulating ) the amplitude of two carrier waves. These two waves, usually sinusoids, are out of phase with each other by 90° and are thus called quadrature… … Wikipedia
Quadrature amplitude modulation — Modulation d amplitude en quadrature La modulation d amplitude en quadrature (en anglais, Quadrature Amplitude Modulation ou QAM) est une forme de modulation d une porteuse par modification de l amplitude de la porteuse elle même et d une onde en … Wikipédia en Français
Quadrature Amplitude Modulation — Quadrature Amplitude Modulation, QAM … Universal-Lexikon
Quadrature amplitude modulation — Quadraturamplitudenmodulation (Abkürzung: QAM, engl: Quadrature Amplitude Modulation) ist eine Modulationsart in der elektronischen Nachrichtentechnik, die Amplitudenmodulation und Phasenmodulation miteinander kombiniert. Dabei werden derselben… … Deutsch Wikipedia
quadrature amplitude modulation — kvadratūrinis amplitudės moduliavimas statusas T sritis automatika atitikmenys: angl. quadrature amplitude modulation vok. Quadraturamplitudenmodulation, f rus. квадратурная амплитудная модуляция, f pranc. modulation d amplitude en quadrature, f … Automatikos terminų žodynas
quadrature amplitude modulation — In communications, a data encoding technique used by modems. Quadrature amplitude modulation is a combination of phase and amplitude change that can encode multiple bits on a single carrier signal. For example, the CCITT V.42bis standard uses… … Dictionary of networking
quadrature amplitude modulation — A modulation system involving phase and amplitude modulation of a carrier, used in microwave and satellite communication links … Dictionary of automotive terms
quadrature amplitude modulation — … Useful english dictionary
Amplitude modulation — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Pulse-amplitude modulation — Principle of PAM: (1) original signal, (2) PAM signal, (a) amplitude of signal, (b) time Pulse amplitude modulation, acronym PAM, is a form of signal modulation where the message information is encoded in the amplitude of a series of signal… … Wikipedia
