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Reg No.:_. Name:

G192079 Pages:2

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

SEVENTH SEMESTER B.TECH DEGREE EXAMINATION(R&S), DECEMBER 2019

Max. Marks: 100

تم >~ +~ ہا

10 a)

b)

11

Course Code: EE407
Course Name: DIGITAL SIGNAL PROCESSING

PARTA

Answer all questions, each carries 5 marks.
The first five points of the 8 point DFT of a real valued sequence are
(28, -4+9.5659, -4+ ‏ر4‎ -4--1.656/, -4). Determine the remaining three
points.
Explain transposed structure with an example.
Describe warping effect with a diagram.
What is the principle of designing FIR filter using frequency sampling method.
What is meant by rounding? Explain its effect on all types of number
representations.
Express 0.875 and —0.875in sign-magnitude, two’s complement, and one’s
complement format.
With a block diagram, describe Central Arithmetic Logic Unit in TMS 320 C24x
in detail.

How instruction set is classified in TMS 320 C24x processor?

PART छ

Answer any two full questions, each carries 10 marks.
Find IDFT of the sequence
X(k)={4, 1-2.414j, 0, 1- 0.414, 0, 104147, 0, 1+2.414,} using radix 2
DIF FFT algorithm.
Consider the sequence x;(n)={ 0,1,2,3,4}, xo(n)={0,1,0,0,0}. Determine a
sequence y(n) so that # (K)=X;(K) X2(K)
Realise the given Transfer function with minimum number of multipliers.

کے 4-> | | 3-> | | 2-> | | ب1
‎H(Z)=14+=Z7 +—Z7 +--2-3 +-2+ +2‏

3 4 4 3
Obtain direct form II, cascade form and parallel form realization of the LTI

system governed by

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Duration: 3 Hours

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