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Total No. of Questions : 05
Total No. of Printed Pages : 04
ES-192
B.Tech. (Reg./ATKT) Examination, 2024
(Fifth Semester)
ELECTRONICS ENGG.
Paper-EL-504
Digital Signal Processing
Time : 3 Hours
[Maximum Marks : 60]
Note : Attempt all questions. All questions carry equal marks.
1.
(a) Explain the different type of system.
(b) Explain periodic and non-periodic signal.
Or
(a) Compare causal and non-causal LTI system.
(b) Discuss the representation and analysis of discrete signal.
2.
(a) Explain the use of Z-transform.
(b) Define inverse Z-transform.
Or
(a) Explain about rational Z-transform.
(b) By applying the time shifting property determine the Z-transform of the signal :
3.
(a) Explain direct form-I and direct-II form realisation of IIR systems.
(b) Obtain direct form and cascade form realisation for the transfer function of an FIR system given by :
Or
(a) Discuss in detail recursive and non-recursive systems.
(b) Determine the direct forms I and II realisation for a third order IIR transfer function :
4.
(a) Discuss in detail Discrete Fourier transform and fast Fourier transform :
(b) Draw DIT-FFT signal flow chart for N = 9.
Or
(a) Explain the difference between the DTFT and DFT.
(b) Find the inverse DFT of :
X(K) = {1, 2, 3, 4}
5.
(a) Explain the type-I frequency sampling method of designing on FIR filters.
(b) Determine H(z) using the impulse invariant technique for the analog system function :
Or
(a) Write a short note on rectangular window technique.
(b) Apply bilinear transformation is :
with T = 0.1s.