# A periodic pulse train signal s() with a period To and pulse width of To/4 and amplitude A has the F

A periodic pulse train signal s() with a period To and pulse width of To/4 and amplitude A has the Fourier series representation A 0 To4 To A sin(nz/4) 4 (nz/4) Φ-Σερν, /2n s() (a) Complete the following table. 5 0 1 2 3 4 Ca Frequency,f ZCR (b) Plot the discrete spectrum of the signal s(f)