| 单词 | DQPSK (Differential Quaternary Phase Shift Keying) |
| 释义 | DQPSK (Differential Quaternary Phase Shift Keying) Also known as Differential Quadrature Phase Shift Keying. A variation on the QPSK modulation technique, DQPSK relies on the difference between successive phases of a signal rather than the absolute phase position. DQPSK is commonly used in cellular radio systems and other radio systems, such as LMDS. See also cellular radio, LMDS, π /4 DQPSK, PSK, and QPSK. |
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