試卷名稱:106年 - 106 國立中山大學_碩士班招生考試_電機系(甲、己組)、電波領域:工程數學甲#125264
年份:106年
科目:中山◆電機◆工程數學甲
11. A Fourier transform F( j ω) of a signal f (t) is shown in Fig. 1. The evaluation of E =
dt is equal to α. Which of the following statements is correct?
(A) α = 0
(B) α = 6√π
(C) α = 3π
(D) α = 3
(E) None of the above statements are correct.