Download GTU BE/B.Tech 2017 Winter 6th Sem Old 160305 Biomedical Signal Processing Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2017 Winter 6th Sem Old 160305 Biomedical Signal Processing Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY
BE SEMESTER? VI (OLD) ? EXAMINATION ? WINTER- 2017
Subject Code: 160305 Date:08/11/2017
Subject Name: Biomedical Signal Processing
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Explain the concepts of linearity, time invariance, stability and causality of LTI
system.
07
(b) Explain different types of signals in detail. 07

Q.2 (a) Explain Digital Signal Processing System with block diagram. 07
(b) Find the convolution of the signals x(n) = {-1, -2 ,2 ,1 },
h(n) = ?(n)- ?(n-1) + ?(n-2)- ?(n-3).
07
OR
(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
(b) Explain Sampling of the Fourier Transform. Write any three properties of DFT. 07
OR
Q.3 (a) Explain frequency response of LTI system with one example. 07
(b) Determine 4-point DFT of a sequence, x(n)=u(n)-u(n-2). 07

Q.4 (a) Explain Decimation-in-Time FFT Algorithm. 07
(b) Write sort note on: Goertzel Algorithm. 07
OR
Q.4 (a) Explain FIR filters design using Hamming Window methods. 07
(b) Discuss the Bilinear transformation of IIR filter design. 07

Q.5 (a) Explain the method of EOG signal analysis. 07
(b) Write short note on: All pass system. 07
OR

Q.5 (a) Explain the method of ECG signal analysis. 07
(b) Explain the effect of round off noise in digital filters. 07

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