MCQOPTIONS
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MCQOPTIONS
| 1. |
The discrete time Fourier coefficient of cos2( ( frac{ }{8} ) n) is ______________ |
| A. | ( frac{ }{2} )( (k+1] + 2 [k] + [k-1]) |
| B. | ( frac{1}{4} )j( (k+1] + 2 [k] + [k-1]) |
| C. | ( frac{1}{4} )( (k+1] + 2 [k] + [k-1]) |
| D. | ( frac{ }{4} )( (k+1] + 2 [k] + [k-1]) |
| Answer» D. ( frac{ }{4} )( (k+1] + 2 [k] + [k-1]) | |