Electronics Engineering · Signals and Systems
A discrete-time signal x[n] = {1, 2, 3, 0, -3, -2, -1} has a discrete-time Fourier transform X(ejΩ). According to Parseval's theorem, the value of ∫-ππ |X(ejΩ)|2 dΩ1 is equal to 2π × ∑ |x[n]|2. Find the value of this integral.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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Correct answer
56π
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