Digital Signal Processing (KEC503) - AKTU Question Paper 2023-24
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 2023-24. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.
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Questions Asked in 2023-24
Digital Signal Processing (KEC503) — complete question paper · 100 marks · 3 Hours
- aDistinguish between IIR and FIR filter. 2 1
- bDefine linear phase response of a filter. 2 1
- cCompare bilinear transformation and Impulse invariant method o f IIR filter design
- dDistinguish between Butterworth and Chebyshev (Type-I) filter. 2 2
- eState the need for employing wi ndow for designing FIR filter? 2 3
- fThe most straight forward approa ch to filter design is to trun cate the impulse response of an ideal IIR filter. Why this is usually an undesirable approach?
- gDevelop the 4-point DFT of t he sequence x(n) = {1,1}. 2 4
- hHow is the FFT algorithm algor ithm applied to determine invers e discreate Fourier transform? i. Highlight the features of a com mercial digital signal processor. 2 5 j. Explain the concept of multistag e sampling rate conversion. 2 5
- aDetermine the cascade and parallel realization for the syste m transfer function
- bUse bilinear transformation to convert low pass filter into a high pass filter with pass band edge at 100 Hz and Fs=1 kHz
- cDesign a low pass FIR filter for the following specification s using rectangular window function. Cut-off frequency = 500 Hz; Sampli ng frequency = 2000 Hz; Order of the filter = 10
- dThe first five points of the 8-point DFT of a real valued se quence are {0.25,0.125-j0.3018,0,0.12-j0.0518,0}. Determine the remaining three points
- eExplain the various types of addressing modes of digital sig nal processor with suitable example
- aRealize the given H(z) fo r using ladder structure
- bObtain the direct form-I and direct form-II realization of a given LTI system: y(n) = - 0.1y(n-1) + 0.72y(n-2) + 0.7x(n) - 0.25x(n-2)
- aConvert the analog filte r with system function into a digital IIR filter by means of the impulsive invariance method
- bDesign a Chebyshev filter for the following specification using bilinear transformation. | Hejw| ≤ 0.2 0.6π ≤ w ≤ π
- aWhat is Hamming Window Function? Obtain its frequency domain characteristics
- bDesign a low pass filter using Kaiser window satisfying the specifications given filter: Passband cutoff frequency F Stopband cutoff frequency Fs = 250 Hz Sampling frequency Ft = 1000 Hz Passband attenuation Ap = 0.1dB Stopband attenuation As = 40 dB
- aDetermine the DFT of the given sequence x(n) = {1,2,3,4,4,3, 2,1} using DIF FFT algorithm
- bFind the output y(n) of a fil ter whose impulse response is h(n) = {1,1,1}
and input signal x(n) = {3,-1,0,1,3,2,0,1,2,1} using overlap add method - aExplain the process of multira te signal processing in detail. Also, enlist the advantages of multirate signal processing
- bWrite the short note on: (i) Recursive Least Square Algorithm (ii) (ii) Window LMS 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.
Repeated Questions — KEC503
Questions that appeared in more than one session, found by comparing 3 years of Digital Signal Processing papers (2021-22, 2022-23, 2023-24)
Realize the given H(z) fo r using ladder structure
Appeared in: 2021-22 · 2023-24
Explain the process of multira te signal processing in detail. Also, enlist the advantages of multirate signal processing
Appeared in: 2022-23 · 2023-24
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