Find and plot the Fourier transforms of the following signals. (if the Fourier transform is a...

 

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Find and plot the Fourier transforms of the following signals. (if the Fourier transform is a complex function, plot the magnitude ( absolute value) and phase (argument) parts separately) [70 points]. [Hint: You can use the time shifting property if applicable] (a) r1(t) = e-2|t| (b) r2(t) = e-24u(t). (c) r3(t) = sin(5wt). (d) r4(t) = 6(t – 2) + 8(t + 2). (e) S10, 0<t<4 10, otherwise X5(t) = Find and plot the Fourier transforms of the following signals. (if the Fourier transform is a complex function, plot the magnitude ( absolute value) and phase (argument) parts separately) [70 points]. [Hint: You can use the time shifting property if applicable] (a) r1(t) = e-2|t| (b) r2(t) = e-24u(t). (c) r3(t) = sin(5wt). (d) r4(t) = 6(t – 2) + 8(t + 2). (e) S10, 0<t<4 10, otherwise X5(t) =