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1. |
What is the system function of the filter with impulse response hk(n)? |
A. | \(\frac{1}{1-W_N^{-k} z^{-1}}\) |
B. | \(\frac{1}{1+W_N^{-k} z^{-1}}\) |
C. | \(\frac{1}{1-W_N^k z^{-1}}\) |
D. | \(\frac{1}{1+W_N^k z^{-1}}\) |
Answer» B. \(\frac{1}{1+W_N^{-k} z^{-1}}\) | |