GATE ECE 2001 | GATE ECE Year Wise Previous Years Questions

GATE ECE 2001

MCQ (Single Correct Answer)

-0.6

The Nyquist sampling interval, for the signal Sinc(700t) + Sinc(500t) is

$${1 \over {350}}\,\sec $$

$${\pi \over {350}}\,\sec $$

$${1 \over {700}}\,\sec $$

$$\,{\pi \over {350}}\,\sec $$

GATE ECE 2001

MCQ (Single Correct Answer)

-0.3

A band limited signal is sampled at the Nyquist rate. The signal can be recovered by passing the samples through

an RC filter

an envelope detector

a PLL

an ideal low-pass filter with the appropriate bandwidth

GATE ECE 2001

MCQ (More than One Correct Answer)

-0

The PSD and the power of a signal g(t) are, respectively, S_g($$\omega$$) and P_g. The PSD and the power of the signal ag(t) are, respectively

$$a^2S_g (\omega)\; and\; a^2P_g$$

$$a^2S_g (\omega)\; and\; aP_g$$

$$aS_g (\omega)\; and\; a^2P_g$$

$$aS_g (\omega)\; and\; aP_g$$

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