本发明认识到，混叠问题往往更多地出现在更接近奈奎斯特极限（采样率的一半）的频率处。
The invention recognises that alias problems tend to occur more at frequencies nearer to the Nyquist limit (half of the sampling rate).
本发明认识到，混叠问题往往更多地出现在更接近奈奎斯特极限（采样率的一半）的频率处。
The invention recognises that alias problems tend to occur more at frequencies nearer to the Nyquist limit (half of the sampling rate).
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