railway RRB JE (CBT I + CBT II) Mock Test 2024 Signals and Systems Discrete Fourier Transform (DFT) and Discrete Fourier Series (DFS) Inverse Discrete Fourier Transform
\(\frac{e^{-j\omega}}{2+j \omega}\) का इनवर्स फोरियर ट्रांसफार्म होगा -
1
e-2t
2
e-2tU(t - 1)
3
e-2(t - 1)
4
e-2(t - 1)U(t - 1)