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- Although QPSK can be viewed as a quaternary modulation, it is easier to see it as two independently modulated quadrature carriers. 有时也称作四比特PSK、四相位PSK、4-PSK，在星座图上看是圆上四个对称的点。
- quaternary modulator 四进制调制器
- The Quaternary sediments are largely undeformed. 第四纪的沉积物大部分未变形。
- Cationics are usually quaternary ammomium salts. 阳离子表面活性剂通常为季铵盐类。
- Design of quaternary Schmitt circuits. 四值施密特电路设计。
- IS THERE REALLY QUATERNARY GLACIATION ON LUSHAN? 庐山真的有第四纪冰川吗?
- It's the combination of modulator and demodulator. 调制解调器是由调制器和解调器组成。
- DIP switch,patch panel ,connector,modul etc. DIP开关，综合布线类产品，（配线架，模块，连接器，面板）
- The cover rocks are marine mudstone from Pliocene to Quaternary. 储层发育有砂岩、灰岩（礁灰岩）、基岩等。
- Allosteric enzymes may have more than one modulator. 它可以有一个或多个调节物。
- Late Quaternary Hydrographic Records from the South China Sea I . 南海晚第四纪古水文之探讨I.
- Woolly mammoths died out during the late Quaternary period. 猛犸象在第四纪晚期灭绝了。
- Quaternary overburden is completely developed with thick layer. 第四系松散堆积层发育完全,厚度大。
- Output of encoder is inverted before input to modulator. 编码器输出在输入前被转换到调制器。
- Modulator control scheme for transmission. Default is AM. 传送调制控制配置。缺省是。
- A method of realizing QPSK modulator based on FPGA is presented. 提出了一种基于FPGA实现QPSK调制器的方法。
- Pulse width modulator and sample maintenance installment. 脉冲宽度调制器和取样保持装置。
- The ADC and the Class D share one analog deta-sigma modulator. 这种结构结合了连续型和离散型调制器各自的优点，达到了面积和性能的折中。
- The modulator output is processed by an on-chip digital filter. 调制器输出由片内数字滤波器处理。
- Liquid Crystal Spatial Light Modulator Based on BSO[J]. 引用该论文 Shi Tao;Huang Ziqiang;Zhang Cuiyu.
