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1. |
What is the Fourier transform X(ω) of a finite energy discrete time signal x(n)? |
A. | \(\sum_{n=-∞}^∞x(n)e^{-jωn}\) |
B. | \(\sum_{n=0}^∞x(n)e^{-jωn}\) |
C. | \(\sum_{n=0}^{N-1}x(n)e^{-jωn}\) |
D. | None of the mentioned |
Answer» B. \(\sum_{n=0}^∞x(n)e^{-jωn}\) | |