背景噪声电平测量
background-noise level measurement
背景噪声和回声
background noise and reverberations
背景噪声修正
background noise modification
背景噪声抑制
background suppression
background noise suppression
背景噪声自动调整
automatic background control
舱音背景声声特征
back-ground cockpit sound characteristic
地脉动背景噪声
background noise of earth motion
非共振背景噪声
non-resonance background noise
高斯背景噪声
guassian background noise
目标/背景/噪声频谱特性
Target
background and noise frequency character
同频背景噪声
co-frequency ambient noises
未知噪声背景
unknown noise environments
消背景噪声
Backgr ound noise cancellation