... 载波输出功率 carrier output power 载波提取 carrier extract 载波调制度百分率 carrier modulation percentage ...
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The system uses time-frequency tracking loops to extract phase errors from data subcarriers with frequency interpolation to compensate for the estimated carrier frequency offsets.
该方法使用了时频同步跟踪环路，从数据子载波提取相位误差，并利用频域插值补偿多个用户的估计频偏。
It also give an improved method for PLL (phase locked loop) to extract coherent carrier.
本文还对相干载波提取中的锁相环提出了一种改进方法。
This algorithm can extract the watermark without the original carrier image and the original watermark image.
水印的提取不需要原始载体图像和原始水印图像。
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