SET ARoll No Sessional and Year- 2nd ,2015Class/Sem 4 Branch ECESubject SNS Subject Code-BTEC 402Time Allowed- 1.30Hrs Max. Marks- 24 marks Section-A (4*2=8)Note: Attempt all. Q1. Explain the linearity property of Fourier transform. Q2. Write the difference between Z transform and Fourier transform.

Q3.Solve the following integral

Q4. Find the Inverse Fourier Transform of (-o).

Section-B (2*4=8)Note: Attempt any two. Each question carries four marks.Q5. Explain the difference equation, block digram representation and impulse response of discreate time system.Q6. Drive the expression for power spectral density and Find the Inverse Fourier Transform of ().Q7. Explain the symmetry property and Time scaling property of Fourier transform.

Section-C (1*8=8)

Note: Attempt any one. Each question carries eight marks.

Q8.Write the properties of z transform with proved.

Q9. Find the Fourier transform of an Impulse Function x(t) =(t)