Download GTU B.Tech 2020 Winter 5th Sem 3150310 Biomedical Signals And Systems Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 5th Sem 3150310 Biomedical Signals And Systems Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?V (NEW) EXAMINATION ? WINTER 2020
Subject Code:3150310 Date:01/02/2021
Subject Name:Biomedical Signals and Systems
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


Marks
Q.1 (a) Draw various discrete time standard test signal.
03

(b) Define System. Classify various types of systems.
04

(c) 1. What is the nyquist criteria for biomedical system? Explain it
03
with example.

2. Explain any two properties of DFT.
04


Q.2 (a) Obtain DFT of delayed unit impulse input.
03

(b) Explain cyclic property of Twiddle Factor
04

(c) Use Circular convolution method to derive linear convolution of
07
following sequences.
() = {1,1,1} () = {0,1,2,2,1}




Q.3 (a) A biomedical signal is described by following equation. Derive its
03
Auto Correlation.
() = () + ( - 1) + ( + 1)

(b) Explain how you can represent a discrete time signal as weighted
04
impulses.

(c) Explain commutative and associative property of Linear
07
Convolution with derivation.




Q.4 (a) Explain multiplication method of Linear convolution.
03

(b) Check whether following systems are Linear or not?
04
1. () = [()]
2. () = [()]]

(c) Write short note on homogeneous solution of LCCDE equation.
07



Q.5 (a) Derive Z-Transform of following and also comment on ROC.
03
-2
3
5
9
0
-6
4
() = {
}

(b) Draw the Pole ?Zero plot and Unit impulse response of following
04
sequence.
() = 2()

(c) Define ROC. What is its significance? Enlist any five properties of
07
ROC.



Q.6 (a) Derive inverse Z-transform of following equation.
03
() = 4-3 - 6-2 + 9 + 5 + 32 - 23

(b) Derive the unit step response of following signal.
04
() = 5()

(c) Explain Differentiation and Scaling properties of Z-Transform with
07
derivation.
1

---

Q.7 (a) Write short note on Parallel realization of IIR structures.
03

(b) Define following
04
1. IIR System
2. FIR System
3. Recursive system
4. Canonical Structure

(c) Draw the cascade and parallel realization of following system
07
( + 1)
() =
2 + 5 + 6



Q.8 (a) Realize the following FIR system using Direct Form method
03
() = 1 + 2-1 + 3-2 + 4-3
(b) Realize the following FIR system using cascade Form method
04
() = 1 + 5-1 + 6-2
(c) Write a short note on Frequency Sampling structure of FIR system.
07
2

---