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APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

FIRST SEMESTERM.TECH DEGREE EXAMINATION,
DECEMBER 2018
Branch: ELECTRICAL & ELECTRONICS ENGINEERING

Stream: POWER CONTROL & DRIVES

Course Code & Name: OIEE6503 ADVANCED SIGNAL PROCESSINC

Answer any two full questions from each part

Limit answers to the required points.

Max. Marks: 60 Duration: 3 hours
PARTA
1. 2. Determine the following sequences using the DFT and IDFT

33 (४) x,(n) © 2. (४)
%,(n) =[1,2,3,1] . 220) =[4,3,2,2](7 marks)

0. Check whether the following system y(n) = x(n 2 ) is causal or not

(2 marks)

2. a. Find the 7 transfonn including region of convergence for the following.
0.5)(=)"u(n)
2)>‰(1) = (1 + “ ಸದಾ
0) x(n)= "u(n)+5() u(—n—1) (4 marks)
b. Compute the response of the system
೫1) = 0.7 y(n - 1) - 0.12 y(n - 2) + >(- 1) + x(n- 2)
to input x (n) = nu (n).

(5 marks)