Engineering BE Electronics and Telecommunication Sem 4 May 2019 2019 Signals And Systems Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Attempt any Three questions from remaining
2. Q1 Answer any 4 questions from the given questions. 20 marks
   • a. Determine energy and power of given signal
   • b. Test the given system for linearity, causality, stability and time invariance
   • c. Find the initial value x (0) and final value of given Z-domain signals
   • d. Realize following FIR system with minimum no of multipliers
   • e. Explain applications of signals and systems in communication
   • f. Give advantage of state space analysis for system analysis
3. Q2 a. Perform convolution of x;(t) and x2(t) using convolution theorem and sketch resultant waveform. Where 10 marks
   • b. Find response of LTI system if impulse response of system is 10 h (t) = for input x(t) = using Fourier Transform Determine inverse Z-transform of the function by using Residue method. 10
   • b. List any 4 properties of Z-transform. 04 32D6CAE73823A2A9FE2C2E7C15485BE6
   • c. Find response of time invariant system with impulse response 06 h(n) = {1, 2, 1, -1} to an input signal x(n) ={1, 2,3, 1}
4. Q4 a. The state space representation of a discrete time system is given by Derive the transfer function of the system 10 marks
   • b. Find the digital network in direct form I and IT for the system described by the — 10
5. Q5 a. Determine Fourier series representation of the half wave rectifier output given sin Qot ; for t=0 to 10 marks
   • b. Determine Fourier transform of 10
6. Q6 Write short note on. any two. ROC in Z-transform and Laplace transform Relation of ESD, PSD with Auto-correlation 32D6CAE73823A2A9FE2C2E7C15485BE6 20 marks

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