題組內容

4. A signal x(t) is periodic with period To=8. Therefore, it can be reproduced as a Fourier sceries:
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The Fourier series coefficients for this representation of a particular signal x() are given by the integral
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4.1 In the integral expression for ax above, the integrand and the limits define the signal x(t). Determine an equation for x(t) that is valid over one period.