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Reference no: EM131703362

The following problem is extracted from the book Digital Signal Processing, chapter 7(The Discrete Fourier Transform). how to solve it?

Determine DFS coefficients of the following periodic sequences:

(a) ˜x[n] =  2 cos(πn/ 4).

(b) ˜x[n] =  3 sin( 0.25πn) +  4 cos( 0.75πn).

Reference no: EM131703362

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