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Reg No.:_______________ Name:__________________________
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SEVENTH SEMESTER B.TECH DEGREE EXAMINATION(R&S), DECEMBER 2019
Course Code: EE407
Course Name: DIGITAL SIGNAL PROCESSING
Max. Marks: 100 Duration: 3 Hours
PART A
Answer all questions, each carries 5 marks. Marks
1 The first five points of the 8 point DFT of a real valued sequence are (5)
28, 4 9.565 j, 4 4 j, 4 1.656 j, 4. Determine the remaining three
points.
2 Explain transposed structure with an example. (5)
3 Describe warping effect with a diagram. (5)
4 What is the principle of designing FIR filter using frequency sampling method. (5)
5 What is meant by rounding? Explain its effect on all types of number (5)
representations.
6 Express 0.875 and 0.875 in sign-magnitude, two’s complement, and one’s (5)
complement format.
7 With a block diagram, describe Central Arithmetic Logic Unit in TMS 320 C24x (5)
in detail.
8 How instruction set is classified in TMS 320 C24x processor? (5)
PART B
Answer any two full questions, each carries 10 marks.
9 Find IDFT of the sequence (10)
X (k ) 4, 1 2.414 j, 0, 1 0.414 j, 0, 1 0.414 j, 0, 1 2.414 j using radix 2
DIF FFT algorithm.
10 a) Consider the sequence x1(n)={ 0,1,2,3,4}, x2(n)={0,1,0,0,0}. Determine a (5)
sequence y(n) so that Y (K)=X1(K) X2(K)
b) Realise the given Transfer function with minimum number of multipliers. (5)
H Z 1 Z 1 Z 2 Z 3 Z 4 Z 5
1 1 1 1
3 4 4 3
11 Obtain direct form II, cascade form and parallel form realization of the LTI (10)
system governed by
Page 1 of 2
Reg No.:_______________ Name:__________________________
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SEVENTH SEMESTER B.TECH DEGREE EXAMINATION(R&S), DECEMBER 2019
Course Code: EE407
Course Name: DIGITAL SIGNAL PROCESSING
Max. Marks: 100 Duration: 3 Hours
PART A
Answer all questions, each carries 5 marks. Marks
1 The first five points of the 8 point DFT of a real valued sequence are (5)
28, 4 9.565 j, 4 4 j, 4 1.656 j, 4. Determine the remaining three
points.
2 Explain transposed structure with an example. (5)
3 Describe warping effect with a diagram. (5)
4 What is the principle of designing FIR filter using frequency sampling method. (5)
5 What is meant by rounding? Explain its effect on all types of number (5)
representations.
6 Express 0.875 and 0.875 in sign-magnitude, two’s complement, and one’s (5)
complement format.
7 With a block diagram, describe Central Arithmetic Logic Unit in TMS 320 C24x (5)
in detail.
8 How instruction set is classified in TMS 320 C24x processor? (5)
PART B
Answer any two full questions, each carries 10 marks.
9 Find IDFT of the sequence (10)
X (k ) 4, 1 2.414 j, 0, 1 0.414 j, 0, 1 0.414 j, 0, 1 2.414 j using radix 2
DIF FFT algorithm.
10 a) Consider the sequence x1(n)={ 0,1,2,3,4}, x2(n)={0,1,0,0,0}. Determine a (5)
sequence y(n) so that Y (K)=X1(K) X2(K)
b) Realise the given Transfer function with minimum number of multipliers. (5)
H Z 1 Z 1 Z 2 Z 3 Z 4 Z 5
1 1 1 1
3 4 4 3
11 Obtain direct form II, cascade form and parallel form realization of the LTI (10)
system governed by
Page 1 of 2
