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DFT和IDFT的Matlab 代码

于 2022-03-10 发布 文件大小:118.06 kB
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在数学中,离散傅里叶变换(DFT)将一个函数的等距样本的有限列表转换的复数正弦波的有限组合,排序由它们的频率,具有这些相同的样本值的系数的列表。也可以说,以采样函数从原始域(通常沿着一条线的时间或位置)到频域转换。

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