... video demodulator 视频解调器 video detecting circuit 视频检波电路 video detector 视频检测器, 视频检波器 ...
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由准同步视频检波的特点及其存在的问题引出锁相环（ PLL）完全同步视频检波电路。
The PLL full synchronization video detector circuit is educed by feature and troubles of quasi-synchronization video detector.
早期电视机的视频检波均采用大信号包络检波电路，后来在集成化的电视机中，视频检波又都采用同步检波方式。
All circuits of demodulating strong signal envelope are adopted in previous TV's video demodulation, synchronizing demodulations are widely used in video demodulation in the later integrated TV set.
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