background noise meaning in English

背景杂讯，本底杂讯
背景躁声
背景噪声，本底噪声
本底噪声；背景噪声
后部噪声
后台干扰
环境音
基层噪声
基底噪声

For example, in holographic imagery the speckle pattern corresponds to troublesome background noise .
例如，在全息照相中，斑纹图样相当于讨厌的背景噪声。
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。
Maybe " run away . " there ' s a lot of background noise
或许"逃走吧！ "背景有很多噪音
Speech recognition is very sensitive to additive background noise
加性背景噪声对语音识别影响非常大。
A study on the short - term memory of numerals in different background noises
不同背景噪音干扰下的数字短时记忆研究

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