SRM University 2007 B.Tech Electronics and Communications Engineering Bank : Satellite Communication

S.R.M. Institute of Science & Technology
Deemed University
School of Electronics & Communication Engineering

ques. Bank
Subject Code : EC405
Subject Name : Satellite Communication & Broadcasting
Year & Sem : IV Year B.Tech (ECE) ,7th Sem.

UNIT-I
PART-A
1. State Kepler’s I legal regulations.
2. State Kepler’s II legal regulations.
3. State Kepler’s III legal regulations.
4. Define Prograde and retrograde orbit.
5. What is geosynchronous / geostationary orbit.
6. Define polar and inclined orbit.
7. Define angle of inclination with sketch.
8. Define angle of elevation with sketch.
9. Define azimuth angle with sketch.
10. Explain what is meant by ascending and descending nodes.
11. Explain what is meant by line of apsides and lines of nodes.
12. Define argument of perigee with neat sketch.
13. Define right ascension of ascending node with diagram.
14. Define mean and actual anamoly.
15. Give the expression of satellite velocity.
16. Write short notes on transfer orbit.
17. Define satellite period.
18. Discuss east and west station keeping.
19. Discuss north and south station keeping.
20. Give the expression of azimuth and elevation angle.
21. What is sun synchronous orbit.
22. List out the optimization parameters for satellite constellation.
23. List out the characteristics of polar constellation.
24. List out the characteristics of inclined constellation.
25. List out the characteristics of hybrid constellation.
26. Define regression of nodes.
27. Write notes on rotation of lines of apsides.
28. Define synodic, sidereal, and anamolistic period.
29. Define latitude and longitude with neat sketch.
30. Define SSP.

PART - B
1. Write notes on station keeping.
2. Describe attitude control.
3. Describe the main effects of the earth’s equatorial bulge on satellite orbit.
4. a) Write notes on SSP. b) Effects of Atmospheric drag on satellite orbit.
5. Derive the expression for antenna look angles.
6. Describe satellite launching.
7. List out the characteristics, merits and demerits of LEO, MEO and GEO.
8. Write notes on satellite constellations.
9. Explain orbital pertuburation in detail.
10. a) describe orbital elements. b) define sun synchronous orbit .

UNIT –II
PART - A
1. Define polarization.
2. Explain horizontal polarization.
3. Explain vertical polarization.
4. Explain linear polarization.
5. Explain orthogonal polarization.
6. Define cross polar discrimination.
7. Define polarization isolation.
8. Explain ice and snow effects.
9. What is meant by depolarization.
10. Define tilt angle.
11. Define EIRP.
12. Explain what is meant by noise factor.
13. Give the expression to determine receiver and cable noise temperature.
14. What is meant by saturation flux density?

Earning:   Approval pending.