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assignment1_w11_soln

# assignment1_w11_soln - SYSC3501 Communication Theory...

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SYSC3501 Communication Theory Assignment #1 Solution Set (Winter 2011) Problem 1 : Determine the Fourier transform of the signal: | | 5 ) 2000 cos( 3 ) ( t e t t s There are 2 approaches to answer this question. Both yield equivalent answers. 1st approach: 2nd approach: Directly from the Fourier Transform Pair table: Let s(t) = s 1 (t) + s 2 (t)

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where ) 2000 cos( 3 ) ( 1 t t s Using the property of linearity: S(f) = S 1 (f) + S 2 (f) Problem 2 : Determine the complex Fourier coefficients for the following periodic waveform. t s (t) 1 2 4 5 1 2 -6 -5 -3 -2
Problem 3

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assignment1_w11_soln - SYSC3501 Communication Theory...

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