Question

f(t) is a periodic square wave with variable duty cycle, D, where D is between 0 and 1, and fundamental period T. DT 1 if I t

a) Find the analytic expression for the zero frequency ("D.C.") Fourier series coefficient, c0, as a function of the duty cycle D between 0 and 1.

b) Find the analytic expression for the absolute value of the first Fourier series coefficient, c1, a function of the duty cycle D between 0 and 1. At what value of the duty cycle is the magnitude of the coefficient maximized?

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Answer #1

t-KT 七 2. 2 T12 ltclt 2 42 SGD/2soーatosMa (c1)nnang-1//T

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