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Q5) Find the Fourier transform of: x(t)=3 {co Cos(nt/t) for t .elsewhere Sketch X(f) versus f.On the same graph ,sketch the amplitude spectrum of a

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Q5) Find the Fourier transform of: x(t)=3 {co Cos(nt/t) for \t .elsewhere Sketch X(f) versus f.On the same graph ,sketch the amplitude spectrum of a unit amplitude rectangular pulse having a width of t .compare the two spectra and indicate which one has more power spectral density in the higher frequencies

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