理論上一個時域的信號經傅立葉轉換到頻域後domain是無限的，FFT隻是一種近似，好處是時間複雜度隻有n*log(n)

來源: 大觀園的賈探春於 2025-01-16 10:38:13 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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