Let the periodic signal x (t) = 3.cos (n / 2t + n / 4) find fo = 1 / 70. calcula

Question

Let the periodic signal x (t) = 3.cos (n / 2t + n / 4) find fo = 1 / 70. calculate the fourier series coefficients, ck for all . calculate |ck|. Determine p (kfo) = |ck|2 for all kepsilonz and plot the power spectral density. Exercise 4.2 (part - 2 - include MATLAB CODE plots) printed Consider the periodic signal xp[n] which results from the periodic repetition (every N samples) of the sequence x[n] = consider L = 5 and N = 10 Write a MATLAB code that does the following calculates the Fourier series coefficients ck plots |ck|2 (for k = 0; N - 1) reconstructs the signal xp[n] from the Fourier series coefficients of question 4.2(a) compares the reconstructed signal, and the original signal over 1 period. (For the last step you have to plot both signals)

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