B.TechSemester 52022-23Digital Signal ProcessingKEE057
View PDFDownload

Digital Signal Processing (KEE057) - AKTU Question Paper 2022-23

B.Tech · Semester 5 · Free PDF Download

This is the official AKTU Digital Signal Processing Previous Year Question Paper for B.Tech Semester 5, academic session 2022-23. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 5
Session:2022-23
University:AKTU / UPTU

Rate this paper

Questions Asked in 2022-23

Digital Signal Processing (KEE057) — complete question paper

Section AAttempt all questions in brief. 2 x 10 = 20
  • a
    Determine the linear convolution of the sequences
    x1(n)={1,2,3,4}  and  x2(n)={1,1,2,2}
  • b
    If x(n)={4,-2,4,-6} find and sketch its odd and even parts wit h -2≤n≤1
  • c
    Give the statement of Nyq uist Sampling Theorem
  • d
    With the help of block diagra m illustrate the process of analog to digital conversion
  • e
    Define the properties of convolution in an LTI system
  • f
    Illustrate Twiddle factor and its two properties
  • g
    Differentiate between FIR a nd IIR filters with example
  • h
    Define frequency warping in Bilinear Transformation method for IIR filter. i. Illustrate the symmetry property and periodicity property of p hase factor WN used for FFT. j. Compute the DFTs of sequence x(n)=cos(nπ/2), where N=4, using DIF FFT algorithm
Section BAttempt any three of the following: 10 x 3 = 30
  • a
    (i) Check whether the following discrete time system is stat ic/dynamic, linear/Non-linear, Shift invariant/variant. (ii)Check the stability of filter for ZZZH
  • b
    Explain discrete tim e processing of continuous time signal with the help of block diagram
  • c
    Determine the impulse response for the system given by follo wing difference equation. )3(2)2(4)1(3)()(  nxnxnxnxny
  • d
    Explain IIR filter design by bilinear transformation technique. Convert the analog filter into a digital filter whose system function is Use the impulse invariant technique. Assume T=1 Sec
  • e
    Differentiate between Wavelet Transform and Fourier Transfor m and also give the applications of Wavelet cosine transform
Section CAttempt any one part of the following: 10 x 1 = 10
  • a
    (i) Consider a LTI system with unit sample response.  nanh Find the response to an input of )()()( NnUnUnx  (ii) Check whether the following system is linear& time invariant. nbxnxanxF 
  • b
    Explain any two IIR filter r ealization methods with suitable example
  • a
    Derive the expression for sampling theorem and also explain Aliasing
  • b
    Explain multirate signa l processing in detail
  • a
    Compute circular convolution of the following using graphica l method and verify the result using DFT and IDFT. 2,2 ,1,)( 3,4 2, ,)( 11 21 nxnx
  • b
    Determine the magnitude & phase responses for the system cha racterized by the difference equation 1)(  nxnxnyny
  • a
    A low pass filter is to be des igned with following desired frequency response
  • d
    eeh Determine the filter coefficients )(nhd if the window function is defined as.   otherwise 0 Also determine the frequency response )( jeH of the designed filter
  • b
    Determine H(z) for a Butterw orth filter satisfying the following constraints With T=1 sec. Apply impulse invariant transformation method
  • a
    Draw the flow graph for the implementation of 8-point DIT FF T of the following sequence
  • b
    Explain radix-2 DIT -FFT algorithm. Compare it with DIF-FFT algorithm

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Digital Signal Processing — Other Year Papers

AKTU Digital Signal Processing PYQs from other sessions

Digital Signal Processing2021-22Digital Signal Processing2022-23Digital Signal Processing2023-24Digital Signal Processing2024-25Digital Signal Processing2024-25Digital Signal Processing2025-26

More B.Tech Semester 5 (2022-23) Papers

Other subjects from same semester and session

Electronics Switching2022-23Computer Integrated Manufacturing2022-23Modern Construction Materials2022-23Object Oriented System Design With C++2022-23Finite Element Methods2022-23Advance Digital Design Using Verilog2022-23Business Intelligence And Analytic2022-23Vlsi Technology2022-23
View all B.Tech Semester 5 2022-23 papers →

Syllabus & More PYQs

Paper solve karne se pehle unit-wise syllabus dekh lo

📘 Digital Signal Processing — Unit-wise SyllabusBEE057AKTU 3rd Year SyllabusAKTU 3rd Year PYQs — All BranchesELECTRICAL 3rd Year SyllabusEEE 3rd Year Syllabus