1
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
Which of the following can be impulse response of a causal system?
A
B
C
D
2
GATE ECE 2003
MCQ (Single Correct Answer)
+1
-0.3
Let x(t) be the input to a linear, time-invariant system. The required output is 4x(t - 2). The transfer function of the system should be
A
$$4\,{e^{j4\pi f}}$$
B
$$2\,{e^{ - j8\pi f}}$$ v
C
$$4\,{e^{ - j4\pi f}}$$
D
$$2\,{e^{j8\pi f}}$$
3
GATE ECE 2002
MCQ (Single Correct Answer)
+1
-0.3
Convolution of x(t + 5) with impulse function $$\delta \left( {t\, - \,7} \right)$$ is equal to
A
$$X\left( {t - 12} \right)$$
B
$$X\left( {t + 12} \right)$$
C
$$X\left( {t - 2} \right)$$
D
$$X\left( {t + 2} \right)$$
4
GATE ECE 2001
MCQ (Single Correct Answer)
+1
-0.3
The transfer function of a system is given by $$H\left( s \right) = {1 \over {{s^2}\left( {s - 2} \right)}}$$. The impulse response of the system is
A
$$\left( {{t^2} * {e^{ - 2t}}} \right)U\left( t \right)$$
B
$$\left( {t * {e^{2t}}} \right)U\left( t \right)$$
C
$$\left( {{t^2}{e^{ - 2t}}} \right)U\left( t \right)$$
D
$$\left( {t{e^{ - 2t}}} \right)U\left( t \right)$$
GATE ECE Subjects
Network Theory
Control Systems
Electronic Devices and VLSI
Analog Circuits
Digital Circuits
Microprocessors
Signals and Systems
Communications
Electromagnetics
General Aptitude
Engineering Mathematics
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEEBITSATMHT CET
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN