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21. A discrete-time signal x[n] is periodic with period 8. One period of its DFT harmonic function is {X[0],,X[7]}={3,4+ j5,-4-j3,1+ j5,-4,1- j5,-4+ j3,4-j5}. (a)
21. A discrete-time signal x[n] is periodic with period 8. One period of its DFT harmonic function is {X[0],,X[7]}={3,4+ j5,-4-j3,1+ j5,-4,1- j5,-4+ j3,4-j5}. (a) What is the average value of x[n]? (b) What is the signal power of x[n]? (c) Is x[n] even, odd or neither?
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Signals and Systems using MATLAB
Authors: Luis Chaparro
2nd edition
123948126, 978-0123948120
