MCQOPTIONS
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MCQOPTIONS
| 1. |
If x(n)=xR(n)+jxI(n) is a complex sequence whose Fourier transform is given as X( )=XR( )+jXI( ), then what is the value of XR( )? |
| A. | ( sum_{n=0}^ )x<sub>R</sub> (n)cos n-x<sub>I</sub> (n)sin n |
| B. | ( sum_{n=0}^ )x<sub>R</sub> (n)cos n+x<sub>I</sub> (n)sin n |
| C. | ( sum_{n=- }^ )x<sub>R</sub> (n)cos n+x<sub>I</sub> (n)sin n |
| D. | ( sum_{n=- }^ )x<sub>R</sub> (n)cos n-x<sub>I</sub> (n)sin n |
| Answer» D. ( sum_{n=- }^ )x<sub>R</sub> (n)cos n-x<sub>I</sub> (n)sin n | |