Electrical Engineering > GATE 2022 > Fourier Series
The discrete time Fourier series representation of a signal x[n] with period N is written as x[n] = Σk=0N-1 akej(2knπ/N). A discrete time periodic signal with period N=3, has the non-zero Fourier series coefficients: a-3=2 and a4=1. The signal is
Correct : b
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