Electronics and Communication Engineering
GATE ECE concept:lti-systems PYQs
Build your understanding with focused practice from past exam papers.
How to practice concept:lti-systems
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–5 of 5. Imported answers require independent review unless marked reviewed.
Question 48
Open questionECMCQ2 marksNeeds review
Let an input
have discrete time Fourier transform
be passed through an LTI system. The frequency response of the LTI system is
. The output
of the system isYour answerChoose one option.
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Open questionECNAT2 marksNeeds review
For a unit step input
, a discrete-time LTI system produces an output signal
. Let
be the output of the system for an input
. The value of
is ________.Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 14
Open questionECMCQ1 markNeeds review
Which one of the following pole-zero plots corresponds to the transfer function of an LTI system characterized by the input-output difference equation given below?
Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 53
Open questionECNAT2 marksNeeds review
The transfer function of a stable discrete-time LTI system is
, where
and
are real numbers. The value of
(rounded off to one decimal place) with
, for which the magnitude response of the system is constant over all frequencies, is __________ .Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 7
Open questionECMCQ1 markNeeds review
An LTI system with unit sample response
is aYour answerChoose one option.
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