After the signal is processed through a low-pass filter, a very realistic waveform is obtained which can show pulsed nature, frequency, amplitude and bandwidth of television picture signals.
并将生成信号经低通滤波器处理，从而最终得到了一个能够充分反映电视图像脉冲性、频率、幅度和带宽特点的较为逼真的信号波形。
You may be familiar with the EKG waveform, either from personal experience while at the hospital, or from popular television medical shows.
你一定对心电图波形比较熟悉，无论是你曾经在医院经历过，还是在电视上主流的医疗频道看过。
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