...词：正交频分复用；循环前缀；调制矩阵；预编码；带宽效率 [gap=1045]Key words：OFDM；cyclic prefix(CP)；modulation matrix；preeoding；bandwidth eficiency ...
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In this paper,we give the construction of modulation matrix. On this basis,memory characteristics and symbols feedback were introduced,and then TDP(time-domain precoder) precoding module was designed.
给出了发送调制矩阵的构造方法,并在此基础上引入了记忆特性和符号反馈,设计了TDP预编码模块。
参考来源 - 一种提高TD·2,447,543篇论文数据，部分数据来源于NoteExpress
The discrepancy between the actual output voltage and expected output voltage of the matrix converter is calculated and added to the switch modulation matrix in the next sampling period as feedback.
该方法将实际输出电压和期望输出电压的比较偏差作为负反馈加到下一个采样周期的开关调制函数矩阵中。
A novel multilevel matrix converter is proposed, and its topology configuration, operating principles and space vector modulation technique are introduced.
提出了一种新颖的多电平矩阵变换器，介绍了其拓扑结构、工作原理和空间矢量调制技术。
A polarization modulation technology for a position sensor with grating imaging is presented and its modulation principle is analyzed with Muller matrix.
提出了一种用于光栅成像位置传感器的偏振调制技术，利用米勒矩阵对其调制原理进行了详细的分析。
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