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.
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。
This paper makes to level with the Numbers' translation theory, since know that ideal digital low pass filter directly gets method and the principle of needed digital system.
本文提出用数字平移理论，从己知理想数字低通的系统直接得到所需数字系统的原理和方法。
This paper makes to level with the Numbers' translation theory, since know that ideal digital low pass filter directly gets method and the principle of needed digital system.
本文提出用数字平移理论，从己知理想数字低通的系统直接得到所需数字系统的原理和方法。
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