a=1745

QUESTION x(t) a 1 3a -3a -a 0 2d > t 1 1 -2a Sayfa 1 / 2 500 a) (Theoretical part) Find the exponential Fourier Series (FS) coefficients of the above periodic signal x(t). b) (Coding part) In MATLAB, for the time vector between the time values 3a and 3a, generate the original signal x(t) and three FS representation sifnals of x(t) (using x(t) = -co Ckejkwot) for the upper limit values of k in the summation to be 5, 50 and 500 respectively. Then plot x(t) and its FS representation signals for each case in four sub figures with respect to time vector. Add proper titles and axis labels to your sub figures