Quadrature amplitude modulation (QAM) is the name of a family of digital modulation methods and a related family of analog modulation methods widely used...

Pulse-amplitude modulation (PAM) is a form of signal modulation where the message information is encoded in the amplitude of a series of signal pulses...

Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting messages with a radio wave. In amplitude...

A sinusoid with modulation can be decomposed into, or synthesized from, two amplitude-modulated sinusoids that are in quadrature phase, i.e., with a phase...

sideband modulation (VSB, or VSB-AM) Quadrature amplitude modulation (QAM) Angle modulation, which is approximately constant envelope Frequency modulation (FM)...

radio waves. A refinement of amplitude modulation, it uses transmitter power and bandwidth more efficiently. Amplitude modulation produces an output signal...

Carrierless amplitude phase modulation (CAP) is a variant of quadrature amplitude modulation (QAM). Instead of modulating the amplitude of two carrier...

and there are better, though more complex, modulations available such as quadrature amplitude modulation (QAM). Although any number of phases may be...

𝜆/4) Quadrature component of a composite signal Quadrature filter, the analytic signal of a real-valued filter Quadrature amplitude modulation (QAM)...

or PSK alone. Quadrature amplitude modulation (QAM) can be considered a subset of APSK because all QAM schemes modulate both the amplitude and phase of...

subcarrier (signal) is modulated with a conventional modulation scheme (such as quadrature amplitude modulation or phase-shift keying) at a low symbol rate. This...

representation of a signal modulated by a digital modulation scheme such as quadrature amplitude modulation or phase-shift keying. It displays the signal...

simplest form, but can be combined with any modulation scheme like (in advanced cases) quadrature amplitude modulation (QAM) or orthogonal frequency-division...

C-QUAM (Compatible QUadrature Amplitude Modulation) is the method of AM stereo broadcasting used in Canada, the United States and most other countries...

phase modulation[citation needed], but the results end up being equivalent mathematically as both are essentially a special case of quadrature amplitude modulation[citation...

principally by American broadcast engineer Leonard R. Kahn; and quadrature amplitude modulation (QAM) multiplexing systems (conceptually closer to FM stereo)...

stands for Quadrature amplitude modulation QAM may also refer to: QAM (television), digital television standard using quadrature amplitude modulation q.AM (Quaque...

each other, then phase modulation (PM) of the carrier occurs. AM and PM together then create quadrature amplitude modulation (QAM). ISB may or may not...

Under quadrature amplitude modulation the modulated chrominance signal changes phase as compared to its subcarrier and also changes amplitude. The chrominance...

used with differential coding include phase-shift keying and quadrature amplitude modulation. When data is transmitted over balanced lines, it is easy to...

of phase-shift keying and amplitude-shift keying which is called (in the jargon of the field) "quadrature amplitude modulation" (QAM) that are used in high-capacity...

RF systems are not uncommon: see mechanical filter and RF MEMS. Amplitude modulation (AM) Bandwidth (signal processing) Electromagnetic interference Electromagnetic...

on the video standard, the chrominance subcarrier may be either quadrature-amplitude-modulated (NTSC and PAL) or frequency-modulated (SECAM). In the PAL...

relation to the modulating signal amplitude. Digital data can be encoded and transmitted with a type of frequency modulation known as frequency-shift keying...

as it is only in true multipliers that the output amplitude is proportional to the input amplitude, as required for linear conversion. Ferromagnetic-core...

QAM is a digital television standard using quadrature amplitude modulation. It is the format by which digital cable channels are encoded and transmitted...

the propagation path. Amplitude distortion is distortion occurring in a system, subsystem, or device when the output amplitude is not a linear function...

m-ary quadrature amplitude modulation (m-QAM). Because existing computers and automation systems are based on binary logic most of the modulations have...

specifies two alternative modulation schemes, quadrature amplitude modulation (QAM) and carrierless amplitude phase modulation (CAP). RADSL is not interoperable...

typical optical modulations that are used include Dual Polarization Quadrature Phase Shift Keying (DP-QPSK) and Quadrature Amplitude Modulation QAM-16. These...