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GATE EC 2022: Signals & Systems Quiz 7
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Question 1
Consider a discrete time periodic signal . Let ak be the complex Fourier series coefficients of x[n]. The coefficients are non-zero when k = Bm ± 1, where m is any integer. The value of B is_________.
Question 2
The DTFT of a sequence x is X ().
Then find the value of X ()
Then find the value of X ()
Question 3
Given the unilateral Z-transform The initial and final value of x(n) are respectively.
Question 4
If x(z) is z-transform of , then ROC of X(z) will be
Question 5
Consider a non-causal system whose Z-transform is given by
Find x(1) = ___________?
Question 6
Consider the signal given below.
Find the z-transform of the above signal.
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Oct 2ESE & GATE EC