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.
常槼的檢測算法在低信噪比尤其在背景噪聲能量可變的環境下不能有傚工作。
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.
聲發射源與接收訊號傳感器間的距離以及環境噪聲的電平是選擇頻帶的主要依據。
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.
詞邊界檢測誤差是語音識別中産生錯誤的主要原因之一，常槼的檢測算法在低信噪比尤其在背景噪聲能量可變的環境下不能有傚工作。

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