Reg No.:_ Name:

Max. Marks: 100

10 a)

b)

11

(1080 Pages: 2

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SEVENTH SEMESTER B.TECH DEGREE EXAMINATION(S), MAY 2019

Course Code: EE407
Course Name: DIGITAL SIGNAL PROCESSING

PARTA
Answer all questions, each carries 5 marks.
What is the need of zero padding? Obtain linear convolution of the sequence
x(n)={1,2,3},h(n)={-1,-2} using circular convolution.
Realize the system function using minimum number of multipliers
H(z) = (1+2-")(1 +5271 +5277 + 23)

For the analog transfer function H(s) = , determine H(z) using

(s2+7s+10)
impulse invariant method for T=0.2 sec
Compare Hamming and Barlett windows with required equations.

Express the fraction 7/8 and -7/8 in sign magnitude, 1’s complement and 2’s
complement.

What is zero input limit cycle oscillation?

What are the different buses of TMS 320 C24x processor and their functions?

Define any 5 arithmetic and logic instructions in TMS 320 C24x processor.

PART 0
Answer any two full questions, each carries 10 marks.

Determine the 8-point DFT of the following sequence.
x(n)={0.5, 0.5, 0.5, 0.5, 0, 0, 0, 0}.Using radix-2 decimation in time FFT
algorithm.

Perform the linear convolution of the following sequence by Overlap save
method. x(n) ={1,2,3,-1,-2,-3,4,5,6} and h(n)= {2,1,-1}

Obtain direct form II realization of a system described by,
(4) - ¬ y(n=1) ++ y(n—2) = a(n) + ‏روط‎ -1(
‏ند‎ 8. ١ 2

Obtain the cascade and parallel realizations for the system function

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Duration: 3 Hours

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