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Unformatted text preview: = by showing that S f S f 1 2 ( ) ( ) = . 4. Time Limited Sine. Given: = otherwise-for ) 2 sin( ) ( 2 T 2 T t t f t s c Express S f ( ) as a linear combination of sincs. 5. Find dt t u e t ) ( 2 using Parsevals theorem. Hint: Use the fact that 2 2 ) ( ) ( t u e t u e t t = . 6 Use the time shift property to find the Fourier transform of: s t T s t T ( ) ( ) + From this result, find the Fourier transform of ds dt ....
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- Spring '09