1
GATE ECE 1997
MCQ (Single Correct Answer)
+2
-0.6
If the Fourier Transfrom of a deterministic signal g(t) is G (f), then

Item-1
(1) The Fourier transform of g (t - 2) is
(2) The Fourier transform of g (t/2) is

Item - 2
(A) G(f) $$e^{-j\left(4\mathrm{πf}\right)}$$
(B) G(2f)
(C) 2G(2f)
(D) G(f-2)


Match each of the items 1, 2 on the left with the most appropriate item A, B, C or D on the right.
A
(1 - A), (2 - C)
B
(I - B), (2 - C)
C
(1 - D), (2 - C)
D
(1 - A), (2 - D)
2
GATE ECE 1996
MCQ (Single Correct Answer)
+2
-0.6
The autocorrelation function of an energy signal has
A
no symmetry
B
conjugate symmetry
C
odd symmetry
D
even symmetry
3
GATE ECE 1992
MCQ (Single Correct Answer)
+2
-0.6
If G(f) represents the Fourier transform of a signal g (t) which is real and odd symmetric in time, then
A
G(t) is complex
B
G(t) is imaginary
C
G(t) is real
D
G(t) is real and non- negative
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