This download link is referred from the post: JNTUH MBA 3rd Sem Last 10 Year Question Papers (2010-2020) All Regulation - (JNTU Hyderabad)
Code: 13A05402
B.Tech II Year II Semester (R13) Supplementary Examinations December 2016
SIGNALS AND SYSTEMS
(Common to ECE and EIE)
Time: 3 hours Max. Marks: 70
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PART A
(Compulsory Question)
- Answer the following: (14 Marks)
- Define signal and system.
- Distinguish between causal and non-causal systems.
- State Dirichlet's conditions for Fourier series.
- Define Fourier Transform.
- Define Laplace Transform.
- List any two properties of ROC of Laplace Transform.
- Define Z-Transform.
- State sampling theorem.
- Define convolution.
- Define transfer function.
- What is an LTI system?
- Define energy and power signals.
- What is aliasing?
- What is the relationship between Laplace and Fourier transform?
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PART B
(Answer all five units, 5 X 12 = 60 Marks)
UNIT - I
- (a) Explain about elementary continuous time signals in detail.
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OR
(b) Explain properties of systems.
UNIT - II
- (a) State and prove properties of Fourier series.
OR
(b) Find the Fourier transform of a gate pulse of unit amplitude and unit width centered at t=0.
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UNIT - III
- (a) State and prove properties of Laplace transform.
OR
(b) Find the Laplace transform of f(t) = t2e-atu(t).
UNIT - IV
- (a) State and prove properties of Z-transform.
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(b) Find the Z-transform of x(n) = n2 u(n).
UNIT - V
- (a) Explain about ideal filters characteristics.
OR
(b) Explain about Hilbert transform.
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This download link is referred from the post: JNTUH MBA 3rd Sem Last 10 Year Question Papers (2010-2020) All Regulation - (JNTU Hyderabad)
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