1
GATE ECE 2001
MCQ (Single Correct Answer)
+2
-0.6
The Nyquist sampling interval, for the signal Sinc(700t) + Sinc(500t) is
A
$${1 \over {350}}\,\sec $$
B
$${\pi \over {350}}\,\sec $$
C
$${1 \over {700}}\,\sec $$
D
$$\,{\pi \over {350}}\,\sec $$
2
GATE ECE 2001
MCQ (Single Correct Answer)
+1
-0.3
Let $$\delta (t)$$ denote the delta function. The value of the the integral $$\int\limits_{ - \infty }^\infty {\delta (t)} \,\,\cos \left( {{{3\,\,t} \over 2}} \right)dt$$ is
A
1
B
- 1
C
0
D
$${\pi /2}$$
3
GATE ECE 2001
MCQ (More than One Correct Answer)
+2
-0
The PSD and the power of a signal g(t) are, respectively, Sg($$\omega$$) and Pg. The PSD and the power of the signal ag(t) are, respectively
A
$$a^2S_g (\omega)\; and\; a^2P_g$$
B
$$a^2S_g (\omega)\; and\; aP_g$$
C
$$aS_g (\omega)\; and\; a^2P_g$$
D
$$aS_g (\omega)\; and\; aP_g$$
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