under sampling

• 欠采样

under sampling的用法和样例：

例句

1. In this paper, a novel undersampling method with multirate technique is presented.By means of modifying sampling rate,the method avoids the spectrum aliasing well.
   提出了一种用多抽样率技术实现欠采样的方法，借助于修正采样率，该方法较好地解决了可变载频带通信号的频谱混迭问题。