介绍了相位差调制器及测量器的原理框图、主要性能指标及电路实现。
In this article, the schematic diagram, main specifications and the realization of the circuits of the phase differential modulator and measurer are described.
和差网络输出的和差信号相位差会影响单通道信号的调制度，进而降低跟踪精度。
The phase difference between the signals from beam forming net can affect the modulation index of single channel signal and can lower the precision of tracking.
该文针对OFDM系统频偏估计中所产生的模糊度问题提出了一种基于符号间相位差分调制的频偏估计模糊度校正算法。
In this paper, a novel frequency ambiguity resolution algorithm in OFDM systems based on phase differential modulation between adjacent symbols is proposed to correct the frequency ambiguity.
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