噪声能量 noise energy
- 首先通过跟踪平稳噪声能量,检测能量变化非平稳的信号;
First, the noise energy is tracked to detect the unstable signal. - 其中频谱的非零频率信息可提取噪声能量,频谱的零频率信息可提取信号能量。
Then, noise energy can be abstracted from the nonzero frequency information of the spectrum, and signal energy from zero frequency information. - 本文首先提出了客观评价噪声压缩效果的两个指标:残余噪声能量和信号畸变指标。
This paper firstly presents two criteria: residual noise energy and signal distortion criterion to evaluate the degrees of noise suppression and signal distortion.
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