EC2045 - Satellite Communication Nov/Dec 2013 Important Questions (Expected for Exam)

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Anna University

Degree of Examination - November / December 2013

Exam Date : 19th November 2013

Exam Day : Tuesday

Important Questions for Nov / Dec 2013 Examinations


V+ Important Questions For November/December 2013 Exam
EC2045 - Satellite Communication
Part B - 16 marks Expected Questions



Unit I -V :

1. (a) Explain about frequency allocations for satellite services. (10)
(b) Explain about U.S Domsats. (6)
2. Discuss briefly the development of INTELSAT starting from the 1960s through the present. (16)
3. State Kepler’s three laws of planetary motion. Illustrate in each case their relevance
to artificial satellites orbiting the earth. (16)
4. Explain in detail about various measure of time. (16)
5. Explain what is meant by satellite attitude and briefly describe two forms of attitude Control . (16)
6.  Draw the block diagram of TT&C and explain its blocks. (16)
7.  Describe briefly the most common type of high-power amplifying device used aboard a communication satellite. (16)
8.  Explain with an example the type of traffic route where single access is used. (16)
9.   Explain in detail about FDMA and show how this differs from FDM. (16)
10.  Explain in detail the operation of a preassigned SCPC network. (16)
11.  Explain in detail the operation of the spade system of demand assignment. What is the function of the common signaling channel? (16)
12.  With the aid of a block schematic, briefly describe the functioning of the receive only home TV systems. (16)
13.  Describe and compare the MATV and CATV systems. (16)
14.  With the relevant expression explain in detail about transmission
losses. (16)
15.  Explain uplink satellite circuit & downlink satellite circuit. (16)
16.  Describe briefly the video compression process used in MPEG-2.(16)
17.  Explain about indoor and outdoor unit of home receiver. (16)
18.  Explain about frequencies and polarization, transponder capacity and bit rates for digital television. (16)
19.  Explain in detail about satellite mobile services. (16)
20.  Describe the main features and services offered by the orbcomm satellite system.How do these services offered by geostationary satellites and terrestrial cellular systems?




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