15-11-2014, 06:26 PM
Question Paper Code: 91398
B.E. / B.Tech.DEGREE EXAMINATION,NOVEMBER / DECEMBER 2014.
Third Semester
Electronics and Communication Engineering
EC 2204 / EC 35 / EC 1202A / 080290015 / 10144 EC 305 - SIGNALS AND SYSTEMS
(Regulation 2008/2010)
Time: Three hours
Maximum : 100 marks
Answer ALL Questions.
PART A (10 x 2 = 20 marks)
1. Define discrete time unit step and unit impulse functions .
2. Define energy and power signals.
3. What is the relationship between Fourier transform and Laplace transform?
4. State Drichlet's conditions.
5. List the properties of convolution integral.
6. State the significance ofimpulse response.
7. What is aliasing?
8. Write a note on ROC.
9. Write the nthorder difference equation.
10. Write the state variable equations.of a DT-LTI system.
Full Name :Arumugam.P
College Name :SNS COLLEGE OF TECHNOLOGY
Department :ECE
Semester :03
Subject Code :EC2204
Subject Name :SIGNALS AND SYSTEMS
Study Material Description :QP
Attachment : [attachment=18741]
