試題詳解

6.Your team leader ask you to analyze the result of the particle movement in the frequency domain. You first decide to apply the Fourier Transform to do this job. Please select the right answer after applying the Fourier Transform.
(A)π(δ(ω-3))；
(B)δ(ω-3)+δ(ω+3)；
(C)π(δ(ω-3)+δ(ω+3)；
(D)3π(δ(ω-3)+δ(ω+3))