white noise
短语[计] 白噪声 [化] 白噪声
发音
其它
/ˌwaɪt ˈnɔɪz/
释义与例句
n.
-
1.
A random signal (or process) with a flat power spectral density; a signal with a power spectral density that has equal power in any band, at any centre frequency, having a given bandwidth.
白噪声
白噪音
白杂讯
不可数 物理 -
2.
Any nondescript noise used for background or to mask or drown out other noise.
不可数 -
3.
Speech that goes ignored or uncomprehended.
比喻 不可数 引申义