background noise level

常见例句

Conventional methods cannot work well in the condition of low SNR or at a variable background noise level.
常规的检测算法在低信噪比尤其在背景噪声能量可变的环境下不能有效工作。
The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band.
声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。
A major cause of errors in speech recognition is the inaccurate detection of word bound-ary. Conventional methods can not work well in the condition of low SNR and variable background noise level.
词边界检测误差是语音识别中产生错误的主要原因之一，常规的检测算法在低信噪比尤其在背景噪声能量可变的环境下不能有效工作。

In the US, that level of coverage starts to become background noise.
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