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EC6502 Principles of Digital Signal Processing question bank Regulation 2013 Anna University

EC6502 Principles of Digital Signal Processing question bank

EC6502 Principles of Digital Signal Processing question bank Regulation 2013 Anna University free download. Principles of Digital Signal Processing EC6502 question bank pdf free download

Sample EC6502 Principles of Digital Signal Processing question bank:

Part A 2 marks

1. Obtain the circular convolution of the following sequences x(n) = {1,2,1}; h(n) = {1, -2, 2}

2. How many multiplications and additions are required to compute N –point DFT using radix – 2 FFT?

3. Define DFT and IDFT?

4. State the advantages of FFT over DFTs?

5. What is meant by bit reversal? (ec6502 principles of digital signal processing question bank)

6. Distinguish between DFT and DTFT?

7. What is zero padding? What are its uses?

8. Determine the number of multiplications required in the computation of 8 – point DFT using FFT?

9. What is twiddle factor?

10. How many stages of decimations are required in the case of a 64 point radix 2 DIT FFT algorithm?

11. Find the 4 – point DFT sequence x(n) = {1, 1, -1, -1}.

12. What is meant by in – place computation? (ec6502 principles of digital signal processing question bank)

13. What are the differences and similarities between DIT and DIF.

14. Distinguish between linear convolution and circular convolution?

15. What are the differences between Overlap – add and Overlap – save method?

16. State the properties of DFT?

17. Draw the basic butterfly diagram for the computation in the decimation in frequency FFT algorithm and explain?

18. How will you perform linear convolution using circular convolution?

19. Find the circular convolution of x(n) = {1,2,3,4} with h(n) = {1,1,2,2}?

20. State Parseval’s relation with respect to DFT? (ec6502 principles of digital signal processing question bank)

PART – B 16 marks EC6502 Principles of Digital Signal Processing question bank

1. (i) Compute the eight point DFT of the sequence by using the DIF – FFT algorithm.
(ii) Summarize the properties of DFT

2. Explain the Overlap add and Overlap save method

3. (i) Compute the eight point DFT of the sequence
Using radix – 2 DIT algorithm.
(ii) Explain Overlap add method for linear FIR filtering of a long sequence.

Subject Name Principles of Digital Signal Processing
Subject Code EC6502
Regulation 2013

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