Electrical Engineering > GATE 2023 > Discrete-Time Fourier Transform
The discrete-time Fourier transform of a signal x[n] is X(Ω)=(1+cos Ω)e-jΩ. Consider that xp[n] is a periodic signal of period N=5 such that
Note that xp[n]=ΣN-1k=0akej2πkn/N. The magnitude of the Fourier series coefficient a3 is _______. (Round off to 3 decimal places).
Correct : 0.363
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