GTU BE/B.Tech 2017 Winter Question Papers || Gujarat Technological University
Subject Code: 160305
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE SEMESTER- VI (OLD) EXAMINATION — WINTER- 2017
Subject Name: Biomedical Signal Processing
Time: 02:30 PM TO 05:00 PM
Total Marks: 70
Instructions:
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- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Q. | Question | Marks |
|---|---|---|
| Q.1 (a) | Explain the concepts of linearity, time invariance, stability and causality of LTI system. | 07 |
| Q.1 (b) | Explain different types of signals in detail. | 07 |
| Q.2 (a) | Explain Digital Signal Processing System with block diagram. | 07 |
| Q.2 (b) | Find the convolution of the signals x(n) = {-1,-2,2,1 }, h(n) = d(n)- d(n-1) + d(n-2)- d(n-3). | 07 |
| OR | ||
| Q.2 (b) | Compute the circular convolution of following sequences and compare the results with linear convolution. X(n) = {1,-1,1,1,-1,-1,-1,-1} and h(n)={0,2,2,4,2,3,2,1} | 07 |
| Q.3 (a) | Obtain the cascade realization of system function H (z) = (1+5z-1-z-2) (1+2z-1- z-2). | 07 |
| Q.3 (b) | Explain Sampling of the Fourier Transform. Write any three properties of DFT. | 07 |
| OR | ||
| Q.3 (b) | Explain frequency response of LTI system with one example. | 07 |
| Q.4 (a) | Determine 4-point DFT of a sequence, x(n)=u(n)-u(n-2). | 07 |
| Q.4 (b) | Explain Decimation-in-Time FFT Algorithm. | 07 |
| OR | ||
| Q.4 (b) | Explain FIR filters design using Hamming Window methods. | 07 |
| Q.5 (a) | Write short note on: Goertzel Algorithm. | 07 |
| Q.5 (b) | Discuss the Bilinear transformation of IIR filter design. | 07 |
| OR | ||
| Q.5 (b) | Explain the method of ECG signal analysis. | 07 |
| Q.5 (a) | Explain the method of EOG signal analysis. | 07 |
| Q.5 (b) | Write short note on: All pass system. | 07 |
| Q.5 (b) | Explain the effect of round off noise in digital filters. | 07 |
Date: 08/11/2017
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