問題詳情

10. To facilitate the DFT analysis, you decide to program a DFT code. Besides, you find that youcan adopt a matrix to perform this kind of transform. Please determine the proper Fourier matrixbelow, which can transform a length-4 data sequence from time domain to frequency domain. 


(A)


(B)


(C)


(D)

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增