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Exercise: Compute the Fourier series coefficients of the following signal:

$ x(t)=\left\{\begin{array}{ll}1&\text{ when } 0\leq t <1 \\ 0& \text{ when } 1\leq t <2\end{array} \right. $

x(t) periodic with period two.

After you have obtained the coefficients, write the Fourier series of x(t).


Answer

Can somebody finish the following computation?

$ \begin{align} a_n &= \frac{1}{T} \int_{0}^T x(t) e^{-j \frac{2\pi}{T}nt}dt \\ & =\frac{1}{2} \int_{0}^2 x(t) e^{-j \frac{2\pi}{2}nt}dt \\ & = \end{align} $



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