FirstRanker Logo

FirstRanker.com - FirstRanker's Choice is a hub of Question Papers & Study Materials for B-Tech, B.E, M-Tech, MCA, M.Sc, MBBS, BDS, MBA, B.Sc, Degree, B.Sc Nursing, B-Pharmacy, D-Pharmacy, MD, Medical, Dental, Engineering students. All services of FirstRanker.com are FREE

📱

Get the MBBS Question Bank Android App

Access previous years' papers, solved question papers, notes, and more on the go!

Install From Play Store

Download GTU BE/B.Tech 2017 Winter 7th Sem New 2170914 Digital Signal Processing Departmental Elective Ii Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2017 Winter 7th Sem New 2170914 Digital Signal Processing Departmental Elective Ii Previous Question Paper

This post was last modified on 20 February 2020

This download link is referred from the post: GTU BE/B.Tech 2017 Winter Question Papers || Gujarat Technological University


FirstRanker.com

GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII (NEW) EXAMINATION — WINTER 2017

--- Content provided by FirstRanker.com ---

Subject Code: 2170914 Date:02/11/2017
Subject Name: Digital Signal Processing(Departmental Elective - II)
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

  1. Attempt all questions.
  2. --- Content provided by FirstRanker.com ---

  3. Make suitable assumptions wherever necessary.
  4. Figures to the right indicate full marks.
Q.1 MARKS
(a) Differentiate: Analog and digital signal processing. 03
(b) Define 1) Signal 2) System 3) Sampling (4) Quantization Give example of each. 04
(c) What is pipelining? Explain with reference to DSP. What is interlocking? State need of interlocking in brief. 07
Q.2
(a) What is ROC in z transform? What is its importance? 03
(b) Discuss interconnection of LTI systems. 04
(c) State and prove the relationship between z-transform and discrete time Fourier transform. 07
OR
(c) State and prove properties of Fourier transform. 07
Q.3
(a) Explain the following terms with respect to Digital Signal Processor: 1) MAC 03
(b) Explain DIT algorithm. 04
(c) State and prove Parseval’s relation for DTFT. 07
OR
Q.3 (a) Draw the block diagram of basic generic harward architecture for a Signal processor. 03
(b) Define the following terms: 1) Impulse Response 2) Convolution 3) Correlation 4) Aliasing 04
(c) State basic structures of IIR systems. Also explain realization of direct form I structure. 07
Q.4
(a) Determine which of following signal is periodic. (1) x1(t) =sin 10πt (2) x2(t) = sin 3t 03
(b) Explain General Application of DSP. 04
(c) Define cross correlation and auto correlation. Find out correlation of sequences. X(n)={2,1,3,7,1,2,-3}, y(n)={1,-1,2,-2,4,1, -2, 5} 07
OR
Q.4 (a) (1) Determine the z-transform of the signal x(n) = δ(n+1)+6δ(n)+12δ(n-3) - δ(n-4) 03
(b) Find the convolution of x(n) = (½)nu(-n) and h(n) = 3nu(n) for all n. 04
(c) Write short note on: Hilbert Transform. 07
Q.5
(a) State Properties of DFT 03
(b) State and prove Final Value theorem for Z-transform 04
Q.5 (a) For the system described by y(t) =x(2t) , determine whether the system is (1) Stable (i1) causal 03
(b) Find the Z-transform and ROC of x (n) = (a)nu(n). 04
(c) Discuss the concept of zero input limit cycle oscillation. How this can be eliminated? 07

FirstRanker.com


--- Content provided by FirstRanker.com ---


This download link is referred from the post: GTU BE/B.Tech 2017 Winter Question Papers || Gujarat Technological University