英语词汇estimation of variance of noise怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	estimation of variance of noise
释义	estimation of variance of noise 翻译噪声方差的估计以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译网络释义 1 ?噪声方差估计 ... 用协方差估计 estimation by covariance 噪声方差估计 estimation of variance of noise 总体方差估计 estimation of population variance ... 双语例句 1 Instead of many algorithms rely on accurate estimation of noise variance, this algorithm estimates noise energy through DCT which extracts local feature. 该算法不依赖于对噪声方差进行估计，直接利用DCT变换对高频各个子带进行局部特征提取，从而估计噪声能量的估计阈值。
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