Finally, the optimum weighting factor of each trace is determined with the signal amplitudes and noise covariance.
最后由信号的振幅和噪音协方差矩阵来确定每道的优化加权因子并作加权叠加。
All kinds of methods measuring noise have been produced and A-weighting sound level is extensively used as a kind of fundamental measure in all of the world.
针对不同环境下的噪声国际上提出了很多评价方法，目前为世界上广泛应用的是以A声级作为基本评价量的评价方法。
And in perceptual weighting stage, auditory masking effect is used. A perceptual weighting filter is designed to filter the enhanced speech by spectral subtraction so as to remove residual noise.
在感知加权处理中充分利用了人耳的掩蔽效应，设计了感知加权滤波器，对谱减法增强后的语音进行滤波，进一步消除残余噪声。
This method includes the following steps: pre-processing, noise filtering, sentences weighting and summary generation.
该方法包括预处理、噪声过滤、句子权值计算和文摘生成等步骤。
Selecting the maximum of weighting factors by competition can get best performance of BAM in presence of noise.
采取侧向抑制的权系数方法能获得最大抗噪声能力。
Selecting the maximum of weighting factors by competition can get best performance of BAM in presence of noise.
采取侧向抑制的权系数方法能获得最大抗噪声能力。
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