A periodic signal x(t) is formed by repeating the pulse x(t) = 2A((t-3)/5) every 10 seconds.

(a) What is the Fourier transform of x(t)?

(b) Compute the complex Fourier series of xp(f).

(c) Give an expression for the autocorrelation function Rx,(t) and the power spectrum density 5x, (c).