問題詳情
二、有兩式 
與 
，其中 u , n = 0,1, 2,..., N − 1 ，1N n =0 u =0請證明此兩式為離散傅立葉轉換對（DFT pair）。並利用此兩式寫出 M 個維度的（M-dimensional）離散傅立葉轉換對。（20 分）
與 ，其中 u , n = 0,1, 2,..., N − 1 ，1N n =0 u =0請證明此兩式為離散傅立葉轉換對（DFT pair）。並利用此兩式寫出 M 個維度的（M-dimensional）離散傅立葉轉換對。（20 分）
參考答案
答案：D
難度：簡單0.751445
統計：A(306),B(140),C(27),D(1430),E(0)
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