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- quadrature phase offset 正交相位偏移
- OQPSK. Offset quadrature phase shift keying 偏置的正交频移键控
- 4 Offset quadrature phase shift keying 4偏置四相相移键控
- offset quadrature phase shift keying 交错正交相移键控
- offset keyed quadrature phase shift keying 参差键控式正交移相键控
- The performance estimation of quadrature phase shift keying (QPSK) signaling over a Rice lading channel was simulated and the corresponding analyzing results were obtained. 最后，对数字调制后的QPSK信号通过莱斯衰落信道时的性能进行了仿真估计，并得到相应的分析结果。
- In order to avoid such problems as symbol sliding, phase shift of pseudorandom noise code and carrier phase offset, an improved method of frequency offset estimation is proposed. 摘要为避免采样频率偏差给卫星导航接收机带来的符号位滑动、伪随机噪声码相位移动和载波相位偏差等问题，提出了一种改进的频率偏差估计方法。
- This paper disscusses the interception methods of quadrature phase shift keying (QPSK) radar signal, which include spectral correlation detection and wavelet analysis. 本论文讨论四相编码雷达信号的侦察、截获方法。
- For multiple-antenna QAM systems, a carrier frequency offset detection algorithm that has low complexity is proposed.The algorithm could be combined with carrier phase offset detection algorithm. 针对多天线QAM系统提出一种低复杂度载波频偏检测算法,这种算法可以与载波相偏检测算法有机地结合在一起;
- A-QPSK Aeronautical Quadrature Phase Shift Keying 航空四相相移键控
- QPAM Quadrature Phase and Amplitude Modulation 正交相位和幅度调制
- QPSK Quadrature Phase Shift Keying 正交相移键控
- DQPSK. Differential quadrature phase shift keying 差分正交相移健控
- phase locked loop quadrature phase shift 锁相环四相相移键控
- differential quadrature phase shift keying 差分四相相移键控
- quadrature phase shift keying(QPSK) 正交相移键控
- quadrature phase and amplitude modulatio 正交调幅调相
- Quadrature Phase and Amplitude Modulation 正交相位和幅度调制
- quadrature phase splitting circuit 正交相位分离电路
- quadrature phase subcarrier signal 正交相位副载波信号
