試卷名稱:108年 - 108 國立中山大學_碩士班招生考試_資工系(乙組):工程數學#105772
年份:108年
科目:中山◆資工◆工程數學
10. To facilitate the DFT analysis, you decide to program a DFT code. Besides, you find that you can adopt a matrix to perform this kind of transform. Please determine the proper Fourier matrix below, which can transform a length-4 data sequence from time domain to frequency domain.
(A)
(B)
(C)
(D)