1
GATE ECE 2015 Set 3
MCQ (Single Correct Answer)
+2
-0.6
A realization of a stable discrete time system is shown in the figure. If the system is excited by a
unit step sequence input x[n ] , the response y[ n] is
![GATE ECE 2015 Set 3 Signals and Systems - Discrete Time Signal Z Transform Question 18 English](https://gateclass.cdn.examgoal.net/examside/questions/17f8c3e4be538f4fd95b19298d4edd7ab9c69860f710f6ce6d2351f28afc505e.jpg)
![GATE ECE 2015 Set 3 Signals and Systems - Discrete Time Signal Z Transform Question 18 English](https://gateclass.cdn.examgoal.net/examside/questions/17f8c3e4be538f4fd95b19298d4edd7ab9c69860f710f6ce6d2351f28afc505e.jpg)
2
GATE ECE 2015 Set 3
MCQ (Single Correct Answer)
+2
-0.6
Suppose x $$\left[ n \right]$$ is an absolutely summable discrete-time signal. Its z-transform is a rational function
with two poles and two zeroes. The poles are at z = ± 2j. Which one of the following statements is
TRUE for the signal x=$$\left[ n \right]$$ ?
3
GATE ECE 2015 Set 3
MCQ (Single Correct Answer)
+1
-0.3
The impulse response of an LTI system can be obtained by
4
GATE ECE 2015 Set 3
MCQ (Single Correct Answer)
+2
-0.6
The complex envelope of the bandpass signal $$x(t)\, = \, - \sqrt 2 \left( {{{\sin (\pi t/5)} \over {\pi t/5}}} \right)\sin \left( {\pi t - {\pi \over 4}} \right),$$ centered about f = $${1 \over {2\,}}\,Hz,$$ is
Paper analysis
Total Questions
Analog Circuits
3
Communications
2
Control Systems
8
Digital Circuits
5
Electromagnetics
5
Electronic Devices and VLSI
7
Engineering Mathematics
9
Microprocessors
1
Network Theory
5
Signals and Systems
11
General Aptitude
2
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