34.the transceiving signal level sometimes disppeared . it can not guarantee correctness of receiving.
收发信号电平有时没有,不能保证准确接收。
单词 | signal level |
释义 |
signal level
英汉-汉英词典
信号电平[幅度]
词组 | 习惯用语
您要查找的是不是:Signal level assignment 电平分配 threshold signal level 门限信号电平 radio-frequency signal level RF射频电平 Input signal level 输入信号电平 test signal level 测试信号电平 facsimile signal level 传真信号电平 peak signal level 最大信号电平;翻译 synchronizing signal level 同步信号电平 signal level [通信] 信号电平,信号级 television signal level 电视信号电平 received signal level 接收信号电平 sync signal level 同步信号电平 level signal [电子] 电平信号 level signal generator 电平信号发生器
英语例句库
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原声例句
航海英语听力 34.the transceiving signal level sometimes disppeared . it can not guarantee correctness of receiving. 收发信号电平有时没有,不能保证准确接收。
中文百科
信噪比 Signal-to-noise ratio(重定向自Signal level)
信噪比(Signal-to-noise ratio,缩写为SNR或S/N),在通信系统的接收端测量。杂讯比是科学与工程的度量,用于比较所需信号的程度与背景杂讯的程度。其定义为信号强度之于杂讯强度的比率,通常用分贝(dB表示)。大于1:1(高于0分贝)的比率显示信号多于杂讯。杂讯比通常用于描述电子信号,也可以应用在各种形式的信号(例如说冰芯内的同位素量,或细胞间的生物化学信号)。
英语百科
Signal-to-noise ratio 信噪比(重定向自Signal level)
![]() ![]() Signal-to-noise ratio (abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. It is defined as the ratio of signal power to the noise power, often expressed in decibels. A ratio higher than 1:1 (greater than 0 dB) indicates more signal than noise. While SNR is commonly quoted for electrical signals, it can be applied to any form of signal (such as isotope levels in an ice core or biochemical signaling between cells).
近义、反义、联想词
近义词n.amplitude
英英词典
signal level n.
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