engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Signals and Systems Discrete Fourier Transform (DFT) and Discrete Fourier Series (DFS) Definition of Discrete Fourier Transform (DFT)
What is 4 point Discrete Fourier Transform of signal x(n) = (1, 2, 3, 4)
1
[10, 2j, -2, -2j]
2
[10, -2, -2, -2]
3
[10, -2+2j, -2, -2-2j]
4
[10j, -2, -2, -10j]