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GATE 2022 : Signals and Systems Revision Quiz
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Question 1
The inverse DTFT of X(ejω)= is x(n). Then, what is the value of 2x(2) +5x(4)?
Question 2
If Laplace transform of x(t) is X(s) and Laplace Transform of e+3t x(t) is X(S + S0), then the value of S0 is _______
Question 3
The Laplace transform of x(t) = e–a|t| for a > 0 is?
Question 4
For a linear phase system of tg denotes the group delay and tp denotes the phase delay then
Question 5
The signal x(t) and X(s) form a laplace transform pair. If x(t) = e5t u(–t + 3), then X(s) is
Question 6
The z transform of x[n] = {2, 4, 5, 7, 0, 1}
Question 7
A system has impulse response The output y[n] to the input x[n] is given by
y[n] = 2δ[n – 4]. The input x[n] is
y[n] = 2δ[n – 4]. The input x[n] is
Question 8Multiple Correct Options
Which of the following is/are energy signals?
Question 9
The value of is _______.
Question 10
Two LTI system with impulse responses h1[n] = δ(n) and h2[n] = δ[n] – δ[n – 2] are connected in series. If the input is x(n) = u(n) then output is__________.
Question 11
A distance time signal is given as x[n] = The period N for the periodic signal is
Question 12
Let. Then the value of Laplace transform of function at is____
Question 13
The real conjugate symmetric part of signal is
Question 14
The inverse Laplace transform of the below function is?
Question 15
A system has the transfer function
H(s) = . The impulse response of the system which is non-causal and stable is:
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Dec 28ESE & GATE EE