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1. |
The cross correlation of two real finite energy sequences x(n) and y(n) is given as __________ |
A. | (r_{xy}(l)= sum_{n=- infty}^{ infty}x(n)y(n-l) ) where l=0, 1, 2, |
B. | (r_{xy}(l)= sum_{n=0}^{ infty}x(n)y(n-l) ) where l=0, 1, 2, |
C. | (r_{xy}(l)= sum_{n=- infty}^{ infty}x(n)y(n-l) ) where - <l< |
D. | none of the mentioned |
Answer» B. (r_{xy}(l)= sum_{n=0}^{ infty}x(n)y(n-l) ) where l=0, 1, 2, | |