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QPSK |
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QPSK (Quadrature Phase Shift Keying) A phase modulation technique that transmits two bits in four modulation states. See PSK, phase modulation and QAM.QPSK (communications) Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | In Figure 2(a), there are four emerging branches from each trellis state, because there are four possible QPSK symbols, namely {0,1,2,3}. 83 Annex B-compliant QAM demodulator, a high quality NTSC demodulator, and a BTSC decoder, as well as an OOB (Out of Band) QPSK demodulator and OOB Local Oscillator for seamless integration into DCR (Digital Cable Ready) television sets. Now users can take advantage of the SM2000's maximum flexibility in meeting power or bandwidth constraints thanks to its full range of FEC choices for BPSK and QPSK modulation. |
QPSK |
QPPS QPPT QPPV QPQ QPR QPR-T QPRAC QPRC QPRD QPRI QPRIME QPRK QPRL QPRP QPRS QPRT QPRT QPRU QPS QPS QPSA QPSC QPSE QPSES QPSF QPSI QPSK QPSK-OFDMQPSM QPSO QPSPA QPSR QPSS QPST QPSU QPSW QPSX QPT QPTA QPTH QPTL QPTO QPTR QPTS Qptv QPU QPUC QPUE QPV QPVI QPW | |||||||
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