Unformatted text preview: 4 } . 3. Determine analytically the discretetime Fourier Transform of the following sequence. Plot its magnitude and phase. x ( n ) = ( n + 2)(. 7) n1 u ( n2) . 4. Determine analytically the discretetime Fourier Transform of the following sequence. Plot its magnitude and phase. x ( n ) = 5(. 9) n cos(0 . 1 πn ) u ( n ) . 5. Determine H ( ω ) and plot its magnitude and phase for the following system. y ( n ) = 2 x ( n ) + x ( n1). 25 y ( n1) + 0 . 25 y ( n2) . 1...
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 Fall '10
 Prof.HamidJafarkhani
 Digital Signal Processing, Signal Processing, discretetime Fourier transform

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