Reg No.:

Max. Marks: 100

00000EE407121904

Pages: 2

Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
Seventh semester B.Tech examinations (S), September 2020

Course Code: EE407
Course Name: DIGITAL SIGNAL PROCESSING

PARTA
Answer all questions, each carries 5 marks.
What is the necessity of computing Fast Fourier Transform? Calculate the
number of multiplication needed in the calculation of DFT using FFT algorithm
with 32 point sequence.
Check whether the following transfer function is of linear phase. Justify your
answer. H(z)= 2 + 21 + 527) 1+ न + 22)
How s-plane is mapped to z-plane using impulse invariant transformation?
Comment on the stability of the filter after this transformation.
What do you mean by Gibbs phenomenon in connection with FIR filter design.
How its effect can be reduced?
Explain product quantization error and obtain the quantization noise model for a
second order system.
What is truncation? What is the error caused due to truncation of a number to b
bits?
What are the memory and I/O spaces used in TMS320C24x processor?
Explain (1) Interrupt flag register (11) Microstack (iii) Scaling shifters
PART छ
Answer any two full questions, each carries 10 marks.
Given x(n)={ 1,2,3,4,4,3,2,1},find X(K) using DIF FFT algorithm.
How will you compute linear convolution using DFTs?

Realize the following system function using minimum number of multipliers:

H(z) ನೆಲೆ +27 1+127 + 2-2
2 4

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Duration: 3 Hours

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