Z-transformation and fourier transformation

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Reference no: EM1322889

Let the finite length sequence

x(n)=D(n) + 0.5D(n-5)

a) Find the z-transform and the Fourier transform of x(n).

b) Find the N-point DFT of x (n) for N=50,10 and 5.

c) How area the DFT values for n=5 related to those of the DFT for N=50.

d) Specify the relationship between N-point DFT of x (n) and the Fourier transform of x(n).

Reference no: EM1322889

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