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DSP Iat-1

This document appears to be a test for a Digital Signal Processing course covering topics like linear time-invariant systems, sampling theorem, difference equations, advantages of DSP, energy/power signals, Z-transform properties, convolution properties, and initial value theorem. The test contains two parts - Part A with 10 short answer questions worth 2 marks each and Part B with 2 long answer questions worth 15 marks each, involving calculations of energy/power, system properties, and circular convolution using different methods. The document provides details of the course, date, maximum marks, duration and contents of the test.

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EEE DEPT
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62 views2 pages

DSP Iat-1

This document appears to be a test for a Digital Signal Processing course covering topics like linear time-invariant systems, sampling theorem, difference equations, advantages of DSP, energy/power signals, Z-transform properties, convolution properties, and initial value theorem. The test contains two parts - Part A with 10 short answer questions worth 2 marks each and Part B with 2 long answer questions worth 15 marks each, involving calculations of energy/power, system properties, and circular convolution using different methods. The document provides details of the course, date, maximum marks, duration and contents of the test.

Uploaded by

EEE DEPT
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Reg No : 6 2 1 4 1 9 1 0 5

6214-MAHA BARATHI ENGINEERING COLLEGE - CHINNASALEM

B.E./B.Tech. DEGREE MODEL EXAMINATION, OCT-2021


Fifth Semester/ Electrical and Electronics Engineering
EE8591 DIGITAL SIGNAL PROCESSING
(Regulation 2017)
Date: 21.10.2021(AN) Maximum Marks: 50 Marks
Time: 1.30 Hours

PART A (10*2=20 MARKS)

1. What is an LTI system?


2. Define Sampling theorem.
3. Differentiate between recursive and non-recursive difference equations.
4. What are the advantages of DSP?
5. What are energy and power signal?
6. State the convolution property of Z-transform.
7. What are the properties of region of convergence (ROC)?
8. Distinguish between linear convolution and circular convolution.
9. Define convolution sum.
10. State initial value theorem of Z-transform.

PART B (15*2=30 MARKS)

11. A. Determine whether the following signals are energy signals or power signals and
calculate their energy or power. (15 Marks)

()
n
1
(i) x(n)= u(n) ; (ii) x(n) = u(n)
2
(OR)

B. Check the following systems are linear, casual, time invariant, stable, static. (15 Marks)

(i) y(n) = x( 21n ); (ii) y(n) = sin x(n); (iii) y(n) = x(n) cos x(n)
(iv) y(n) = x(-n+5); (v) y(n) = x(n) +n . x(n+2)

12. A. Find circular convolution of the following two sequences; (15 Marks)
x(n) = {1,1,2,1}, h(n) = {1,2,3,4}
(OR)
B. Find the output of circular convolution of the following sequence x(n) = {1,2,3,4},
h(n) = {2,-1,2,-4} using circle method and matrix method. (15 Marks)

****************************ALL THE BEST*****************************


Reg No : 6 2 1 4 1 9 1 0 5

6214-MAHA BARATHI ENGINEERING COLLEGE - CHINNASALEM

B.E./B.Tech. DEGREE MODEL EXAMINATION, OCT-2021


Fifth Semester/ Electrical and Electronics Engineering
EE8591 DIGITAL SIGNAL PROCESSING
(Regulation 2017)
Date: 21.10.2021(AN) Maximum Marks: 50 Marks
Time: 1.30 Hours

PART A (10*2=20 MARKS)

1. What is an LTI system?


2. Define Sampling theorem.
3. Differentiate between recursive and non-recursive difference equations.
4. What are the advantages of DSP?
5. What are energy and power signal?
6. State the convolution property of Z-transform.
7. What are the properties of region of convergence (ROC)?
8. Distinguish between linear convolution and circular convolution.
9. Define convolution sum.
10. State initial value theorem of Z-transform.

PART B (15*2=30 MARKS)

11. A. Determine whether the following signals are energy signals or power signals and
calculate their energy or power. (15 Marks)

()
n
1
(i) x(n)= u(n) ; (ii) x(n) = u(n)
2
(OR)

B. Check the following systems are linear, casual, time invariant, stable, static. (15 Marks)

(i) y(n) = x( 21n ); (ii) y(n) = sin x(n); (iii) y(n) = x(n) cos x(n)
(iv) y(n) = x(-n+5); (v) y(n) = x(n) +n . x(n+2)

12. A. Find circular convolution of the following two sequences; (15 Marks)
x(n) = {1,1,2,1}, h(n) = {1,2,3,4}
(OR)
B. Find the output of circular convolution of the following sequence x(n) = {1,2,3,4},
h(n) = {2,-1,2,-4} using circle method and matrix method. (15 Marks)

****************************ALL THE BEST*****************************

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