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1. |
What is the expression for Fourier series coefficient ck in terms of the discrete signal x(n)? |
A. | ( frac{1}{N} sum_{n=0}^{N-1}x(n)e^{j2 kn/N} ) |
B. | (N sum_{n=0}^{N-1}x(n)e^{-j2 kn/N} ) |
C. | ( frac{1}{N} sum_{n=0}^{N+1}x(n)e^{-j2 kn/N} ) |
D. | ( frac{1}{N} sum_{n=0}^{N-1}x(n)e^{-j2 kn/N} ) |
Answer» E. | |