EC1361 Digital Signal Processing Nov Dec 2020 Question Paper

Anna University B.E EEE 05th Semester EC1361 Digital Signal Processing Nov Dec 2020 Question Paper Free Download in PDF / Scanned Copy

Anna University Chennai

Question Paper Code : X 62386

B.E / B.Tech Degree Examinations, November / December 2020

Fifth / Sixth semester

Electrical and Electronics Engineering

EC 1361/EC 1307/070280057 – Digital Signal Processing

(Common to Electronics and Instrumentation Engineering and Instrumentation and control Engineering)

Time : Three Hours 

Maximum : 100 Marks

Answer all questions

Part – A (10×2=20 Marks)

1. What are the classifications of signals ?

2. List the types of ADC.

3. Define ROC in Z-transform.

4. Determine the Z-transform of the sequence x(n) = {2, 1, –1, 0, 3}

5. Write down the analysis and synthesis equation of DFT.

6. Why is FFT needed ?

7. Compare Butterworth and Chebyshev filters.

8. Define frequency warping.

9. What are the different methods of quantization ?

10. What is the effect of quantization on pole locations ?

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