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Qu'est-ce (qui) est Quadrature Amplitude Modulation - définition
Quadrature amplitude modulation
![The graphs of the sine (solid red) and [[cosine]] (dotted blue) functions are sinusoids of different phases.](https://commons.wikimedia.org/wiki/Special:FilePath/Sine and Cosine.svg?width=200 "The graphs of the sine (solid red) and [[cosine]] (dotted blue) functions are sinusoids of different phases.")
FAMILY OF DIGITAL MODULATON METHODS OF TELEVISION SIGNALS
QAM-modulated; Quadrature Amplitude Modulation; QAM; 256QAM; 256-QAM; 16-QAM; 16QAM; 64-QAM; 64QAM; 2-QAM; 2QAM; 4-QAM; 4QAM; 8-QAM; 8QAM; 32QAM; 32-QAM; 128-QAM; 128QAM; 512-QAM; 512QAM; 1024QAM; 1024-QAM; 2048QAM; 2048-QAM; 4096-QAM; 4096QAM; IQ Modulation; Qam
Quadrature amplitude modulation (QAM) is the name of a family of digital modulation methods and a related family of analog modulation methods widely used in modern telecommunications to transmit information. It conveys two analog message signals, or two digital bit streams, by changing (modulating) the amplitudes of two carrier waves, using the amplitude-shift keying (ASK) digital modulation scheme or amplitude modulation (AM) analog modulation scheme.
Quadrature Amplitude Modulation
FAMILY OF DIGITAL MODULATON METHODS OF TELEVISION SIGNALS
QAM-modulated; Quadrature Amplitude Modulation; QAM; 256QAM; 256-QAM; 16-QAM; 16QAM; 64-QAM; 64QAM; 2-QAM; 2QAM; 4-QAM; 4QAM; 8-QAM; 8QAM; 32QAM; 32-QAM; 128-QAM; 128QAM; 512-QAM; 512QAM; 1024QAM; 1024-QAM; 2048QAM; 2048-QAM; 4096-QAM; 4096QAM; IQ Modulation; Qam
(QAM) A method for encoding digital data in an analog signal
in which each combination of phase and amplitude represents
one of sixteen four bit patterns. This is required for fax
transmission at 9600 bits per second.
(1995-02-02)
QAM
FAMILY OF DIGITAL MODULATON METHODS OF TELEVISION SIGNALS
QAM-modulated; Quadrature Amplitude Modulation; QAM; 256QAM; 256-QAM; 16-QAM; 16QAM; 64-QAM; 64QAM; 2-QAM; 2QAM; 4-QAM; 4QAM; 8-QAM; 8QAM; 32QAM; 32-QAM; 128-QAM; 128QAM; 512-QAM; 512QAM; 1024QAM; 1024-QAM; 2048QAM; 2048-QAM; 4096-QAM; 4096QAM; IQ Modulation; Qam
Quadrature Amplitude Modulation (Reference: HiperLAN/2, 802.11a)
