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ECE · Q146

Signal Processing

Engineering and GATE · ECE · question 146

Q146

The signal x(t) is described by x ( t ) = \ 1\, for & - 1 t + 1 0, & otherwise . Two of the angular frequencies at which its Fourier transform becomes zero are

The signal x(t) is described by
x\left( t \right) = \left\{ {\matrix{ {1\,{\rm{for}}} & { - 1 \le t \le + 1} \\ {0,} & {{\rm{otherwise}}} \\ } } \right.
Two of the angular frequencies at which its Fourier transform becomes zero are
A.
π, 2π
Answer
B.
0.5π, 1.5π
C.
0, π
D.
2π, 2.5π

Answer: Option A

Solution

Answer: Option A
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