- quadrature amplitude and phase modulation
- kwadraturowa modulacja amplitudy i fazy
English-Polish dictionary for engineers. 2013.
quadrature amplitude and phase modulation
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Amplitude and phase-shift keying — or Asymmetric Phase shift keying, (APSK), is a digital modulation scheme that conveys data by changing, or modulating, both the amplitude and the phase of a reference signal (the carrier wave). In other words, it combines both Amplitude shift… … Wikipedia
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 — 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 — noun 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… … Wiktionary
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
Carrierless amplitude phase modulation — (CAP) is a non standard variation of quadrature amplitude modulation (QAM). Instead of modulating the amplitude of two carrier waves, CAP generates QAM signal by combining two PAM signals filtered through two filters designed so that their… … Wikipedia
Amplitude modulation — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Modulation par sauts de phase — Phase shift keying Traduction terminée Phase shift keying → … Wikipédia en Français
Phase shift keying — Traduction terminée Phase shift keying → … Wikipédia en Français
Quadrature phase-shift keying — Phase shift keying Traduction terminée Phase shift keying → … Wikipédia en Français
Quadrature — Quadrature, derived from Latin quadrare , may refer to:In signal processing: *Quadrature amplitude modulation (QAM), a modulation method of using both a carrier wave and a quadrature carrier wave that is 90° out of phase with the main carrier… … Wikipedia
