SK 2014 – Homework assignment #5
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Spectrum 2 (Fourier series)
Use the Fourier integral to determine all the Fourier series coefficients ak of the “sine-cubed” signal.
Plot result into amplitude and phase spectrum. Find out fundamental frequency f0 and period T0.
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), hints: find the period first. use inverse Euler formula. Then invoke the
orthogonally property on each integral
∫
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