Quadrature Phase-Shift Keying (QPSK)
Technology / Computers / Quadrature Phase-Shift Keying (QPSK)
Related Words
Quadrature Phase-Shift Keying (QPSK): A method of modulating digital signals using four phase states to code two digital bits per phase shift.
Quadrature Of Moon: Position of the Moon when its longitude differs by 90° from the longitude of the Sun. The corresponding phases are known as first quarter and last quarter.
Quadrature Amplitude Modulation (QAM): A method of modulating digital signals using both amplitude and phase coding. Used for downstream and can be used for upstream.
Keying: An special effects process, specific to video, in which an image or text is inserted into another image. See chroma key.
Bench Jockeying: As in baseball, conversation or gibes meant to distract an opponent.
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