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Unformatted text preview: domain and frequency representations of the output when the input is (40 points): For inputs x 2 (t) and x 4 (t), sketch the magnitude of the Fourier transform of the output. Clearly label any pertinent values (10 points). ) ( ) ( ) ( ) ( ) 20 cos( ) ( ) 20 cos( ) ( ) ( ) ( 4 3 2 1 t t t t t x t u t t x t t x t u e t x t += = = = Name________________________ Name________________________ 3. What is an adequate sampling frequency for x 1 (t) in problem 2? Explain why you think this is an adequate sampling frequency. (10 points) Name________________________ 4. Sketch a sampled version of x 1 (t) in problem 2 and its corresponding discrete Fourier transform. Specify all pertinent values and their relationship between discrete time domain and discrete frequency domain. (25 points)...
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 Fall '07
 Yen

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