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GATE 2024 Signal & System Foundation Quiz 32
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Question 1
The 4-point Discrete Fourier Transform (DFT) of a discrete time sequence is denoted by . Find the value of is __________.
Question 2
The DFT of a real values signal x[n] is given as {4, 1 + 2j, 2 – 2j, 3 + j, –3, 3 – j, 2 + 2j, 1 – 2j}
Then the value of is______.
Question 3
The DFT of a real value signal is given as X[k] = {10, 2 + 3j, A, 3 – 2j, –5, B, 2 +4j, C}
Evaluate the values of A, B, C?
Question 4
X[k] is the 6-point DFT of x[n]={3,2,1,0,0,3} and where Y[k] is the 6-point DFT of y[n] and . Then y[n] ?
Question 5
4 point DFT of a real discreate – time signal x (n) of length 4 is given by
X[k], n = 0, 1, 2, 3 and k = 0, 1, 2, 3. It is given that x (o) = 5, x(1) = 1+j1, x(2) = 0
Then x(3) and x(0), respectively are
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Apr 13ESE & GATE EC