... maximum likelihood estimation 极大似然估计 mean squared deviation(MSD) 均方差 mean sum of square 均方和 ...
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极限情况下，当混叠十分严重时，相对于理想低通滤波器，用维纳滤波器进行亚象素插值能将预测残差均方和减少一半。
In an extreme case, when the aliasing effects are very severe, using wiener filter can reduce the prediction errors'energy by about 50% in comparison with using the ideal low pass filter.
穆加贝和茨万吉拉伊均表示，津方感谢中国在津巴布韦争取民族解放斗争中给予的宝贵支持。
Mugabe and Tsvangirai said Zimbabwe thanked for China's precious support of Zimbabwe's struggle for national liberation.
评判标准是预测打分和真实值之间的均方误差(RMSE)。
The evaluation criterion is the root mean squared error (RMSE) between predicted ratings and true ones.
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