QPSK


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QPSK

QPSK

(Quadrature Phase Shift Keying) A phase modulation technique that transmits two bits in four modulation states. See PSK, phase modulation and QAM.
References in periodicals archive ?
LSI Logic's groundbreaking line of QPSK receivers proves that the strategy works, especially upon the announcement of the six millionth part being shipped.
Because key digital video technologies (like QAM and QPSK modulation and MPEG compression) have achieved stability and international acceptance, their impact on video infrastructure and TV settop applications have been swift.
The new satellite interface now available in the DTS product line includes 8PSK (turbo-code), QPSK (turbo-code), QPSK (DVB), and QPSK (Digicipher II) modulation support.
The DTS-330 and DTS-200 are able to support several different combinations of inputs and outputs, such as QPSK, ASI, full bandwidth GigE, SMPTE-310, DHEI, QAM, COFDM and 8VSB.
The Theater 313 incorporates a universal QPSK (quadrature phase shift keying) forward data channel (FDC) receiver and a BTSC/Dual FM demodulator and decoder.