signal processing electric circuit 基本例句 信号处理电路 It requires careful biasing of the sync processing circuitry so that the sync pulse is made as distinguishable as possible from the other voltage levels within the video signal.为了能够方便的将同步脉冲从包含着许多其他电平分量的视频信号中区分出来，需要仔细设计同步信号处理电路。