檢視过采样的原始碼

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|<center>'''过采样'''<br><img
src=" https://tse3-mm.cn.bing.net/th/id/OIP-C.QBO2hkgHHI1Rv6-go90VtQAAAA?rs=1&pid=ImgDetMain" width="280"></center><small>  圖片來自优酷</small> 
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在[[信号处理]]中，过采样（英语：Oversampling）是指以远远高于[[信号带宽]]两倍或其最高频率对其进行采样的过程。一般来说是指采样频率高于信号最高频率的两倍。