22 Mar 2013... with help of block diagram. What are the problems associated with delta
modulation? *** Do all the numerical from B.P.Lathi and J.S.Katre ***
SITARAMBHAI NARANJI PATEL INSTITUTE OF TECHNOLOGY & RESEARCH CENTER, UMRAKH Electronics and Communication Department
EC III/Sem VI/D.Com/Assignment 1
22/03/2013
1.
Draw the block diagram of digital communication system and explain the three major signal processing tasks.
2.
Explain the sampling theorem and hence derive the formula to find the Nyquist rate
3.
What is aliasing? What are the problems associated with it? How to overcome it?
4.
Explain PCM in brief.
5.
Derive the formula for signal to quantization noise ratio for PCM.
6.
What is companding process in PCM? State laws for the same.
7.
Draw and explain block diagram of DPCM system. Compare PCM and DPCM.
8.
Explain working principle of delta modulation with help of block diagram. What are the problems associated with delta modulation?
*** Do all the numerical from B.P.Lathi and J.S.Katre ***
