Consider the finite-duration sequence a[n] = {-2,0, 4,0, 2} %3D where the highlighted and underlined number is the value of the sequence at n = 0. Which of the following is the correct spectrum of the sequence a n]? O a. 4– 4 cos(4w) O b. 4 - j4 sin(4w) O c. 4- j4 sin(2w) O d. 4- 4 cos(2w)

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Fourier Transform

In mathematics, the Fourier transformation is a mathematical transformation that rotates responsibilities by using region or time into tasks depending on the local or temporal frequency, such as the rendering of a musical track in step with existing volumes and frequencies. The term Fourier amendment refers to each illustration of the frequency range and the mathematical functionality related to the representation of the frequency domain and the function of space or time.