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EndsemMay 20242019 patternSE E&TC

Signals and Systems SPPU Endsem Question Paper May 2024

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDF
Subject code
204191
Pattern
2019 pattern
Exam
Endsem
Session
May 2024
Max. marks
70
Time
2½ Hours
Semester
IV
Paper code
[6261]-21

Printed for: S. E. (Electronics / E&Tc/ E& CE)

Instructions to the candidates

  1. Solve Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.
  2. Figures to the right indicate full marks.
  3. Draw neat figures wherever necessary.
  4. Assume sutiable data if necessary.
  5. Use of scientific calculator is allowed.

Questions

  1. Q1

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [8]
    2. b)

      State and explain physical significance of fourier series properties given below. i) Time scaling ii) Time Differentiation iii) Time Reversal

      [6]
    3. c)

      Explain Gibb’s Phenomenon

      [4]

  2. Q2

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [8]
    2. b)

      Check whether cos(wt) and cos(2 wt) are orthogonal to each other.

      Also asked:Nov 2025

      [6]
    3. c)

      State Dirichlet conditions for the existence of Fourier series. 2

      Also asked:Nov 2025

      [4]

  3. Q3

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [8]
    2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    3. c)

      Determine the Fourier Transform of the signal given below.

      [3]

  4. Q4

    1. a)

      Find the Fourier Transform of signum(t).

      [8]
    2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    3. c)

      Explain magnitude and phase response.

      Also asked:Nov 2025 ·May 2025

      [3]

  5. Q5

    1. a)

      Determine the Laplace Transform of the signal given below. Sketch ROC.

      [8]
    2. b)

      Define ROC. List the properties of ROC.

      [6]
    3. c)

      This part has equations that don’t show as text. Open the PDF to read it.

      [4]

  6. Q6

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [8]
    2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    3. c)

      Compare Fourier Transform and Laplace Transform.

      Also asked:Nov 2025 ·May 2025

      [3]

  7. Q7

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [9]
    2. b)

      Define probability. A box contains 4 white, 5 Red and 7 black balls. A ball is drawn randomly from a box. Find the probability that i) a ball is Red, ii) a ball is not white iii) a ball is back or white.

      [9]

  8. Q8

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [9]
    2. b)

      A coin is torsed three times. Write the sample space which gives all possible outcomes. Random variable X, Represents the number of heads on any trippletors. Calculate and draw CDF and PDF.   

      [8]