| 术语 | decision level |
| 释义 | decision level 判定电平;［辨别位准］ A predetermined signal amplitude that serves as a standard for determining the value of a signal pulse. If the signal amplitude is above the decision level at the time of sampling, a binary 1 is indicated. A binary 0 is indicated if the signal amplitude is below the decision level at sampling time. Ideally, a signal pulse is measured at its time center. 一个预先确定的信号振幅,用作确定一个脉冲值的标准。在采样时,若一个信号振幅是在 判定电平之上,则表示为二进制的1;若一个信号振幅是在判定电平之下,则表示为二进制的 0。理想情况应是在信号脉冲的中心时间测量该信号脉冲。 |
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