![](https://i.imgur.com/Ve2a2hM.jpg)
[工數] 離散傅立葉轉換
![](https://i.imgur.com/Ve2a2hM.jpg)
我推到= Σ_{k=-∞→∞} e^(j16kw)
但不知道怎麼推到圖片中的第二行。
因為沒學過傅立葉轉換,也太久沒碰大學以上的數學,請大大幫忙,謝謝!
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※ 編輯: dogsper (140.113.179.131), 09/19/2017 09:53:18
推
09/22 11:58, , 1F
09/22 11:58, 1F
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09/22 11:58, , 2F
09/22 11:58, 2F
推
09/22 12:01, , 3F
09/22 12:01, 3F
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09/22 12:01, , 4F
09/22 12:01, 4F
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09/22 12:01, , 5F
09/22 12:01, 5F
推
09/22 12:05, , 6F
09/22 12:05, 6F
![](https://i.imgur.com/gpJrcRM.jpg)
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09/22 12:06, , 7F
09/22 12:06, 7F
![](https://i.imgur.com/p6SwPmS.jpg)
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09/22 12:07, , 8F
09/22 12:07, 8F
推
09/22 12:09, , 9F
09/22 12:09, 9F
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09/22 12:09, , 10F
09/22 12:09, 10F