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給自己的筆記：傅立葉轉換

Note of Discrete Fourier Transform (DFT)

DTFT是無限長不可數信號的傅立葉表示方式，由FT延伸而來，無限長，如上圖左下所示，左上為FT，公式如下

Posted by imprld01 Saturday, February 5, 2022

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