Mahatma Gandhi University Digital Signal Processing Question Paper 2014 November model question papers

Posted Date: 07 Feb 2016      Posted By:: Vin    Member Level: Silver  Points: 3 (₹ 3)

# 2014 Mahatma Gandhi University B.Tech. Computer Science and Engineering Digital Signal Processing Question Paper 2014 November Question paper

 Course: B.Tech. Computer Science and Engineering University/board: Mahatma Gandhi University

## Digital Signal Processing

Name of University: Mahatma Gandhi University
Year of Exam: 2014
Month of Exam: November
Course: B.Tech
Semester: 5
Language: English
Subject: Digital Signal Processing
Course: Computer Science and Engineering
Subject Code: CS 010 504
Time Duration: 3:00 hours
Full Marks: 100
Pass Marks: 40

### Part A [5*3=15 marks]

1. What is the relationship between z-transform and DFT ?

2. What are the differences and similarities between DIF and DFT algorithms ?

3. What are the desirable and undesirable features of FIR filters ?

4. Distinguish analog and digital filters

5. List out the applications of DSP ?

6. ### Part B [5*5=25 marks]

7. Discuss the properties of z-transform ?

8. Write down the complexity of DFT calculation.

9. Write down the expression of Hanning Window. Explain it ?

10. Explain linear phase realization ?

12. ### Part C [5*12=60 marks]

13. Discuss in detail the important properties of the Discrete Fourier Transform.

14. OR
15. Find the system function and the impulse response of the system described by the difference equation y(n)=x(n)+2x(n-1)-4x(n-2)+x(n-3).

16. Compute the 8 pt DFT of the sequence x(n)={1, 2, 3, 4, 4, 3, 2, 1} using DIT FFT.

17. OR
18. Perform the circular convolution of the following two sequences : x1[n]={2, 1, 2, 1} and x2[n]={1, 2, 3, 4}.

19. Design an ideal high pass filter with a frequency response
Hd(e^jw)=1 for p/4 = |?| = p
0 for |?| = p/4 Find the values h(n) N=11. Find H(Z).

20. OR
21. Obtain cascade and parallel realization for the system having difference equation : y(n)+0.1y(n-1)-0.2y(n-2)=3x(n)+3.6x(n-1)+0.6x(n-2).

22. Explain impulse variant method of designing IIR filter.

23. OR
24. Discuss in detail about Butterworth approximations.

25. Explain video compression in detail

26. OR
27. With neat sketch explain the architecture of TMS320C54.

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