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1. |
Which of the following is true regarding the number of computations required to compute an N-point DFT? |
A. | N2 complex multiplications and N(N-1) complex additions |
B. | N2 complex additions and N(N-1) complex multiplications |
C. | N2 complex multiplications and N(N+1) complex additions |
D. | N2 complex additions and N(N+1) complex multiplications |
Answer» B. N2 complex additions and N(N-1) complex multiplications | |