PART A – (10 x 2 = 20 Marks)
1. What is a Satellite ?.
2. What are the Geo-stationary
Satellites ?.
3. Define
Inclination ? .
4. What is sun transit outage ?.
5. What
are antenna look angles ?.
6. What is meant by thermal control and why
this is necessary in a satellite ?.
7. What is polarization
interleaving ?.
8.
Describe the spin stabilized satellites?.
9.
Define EIRP ?.
10.What is meant by Transponder
?.
PART
B-(5 x16=80 Marks)
11. (i) Explain
the Kepler’s laws of planetary motion.
(8)
(ii) Explain the orbital perturbation in
detail.
(8)
12.(i) Describe
the Launch vehicle.and the steps involved in launching a satellite. (8)
(ii)What are the different types of Satellite
Orbits ?. Discuss their merits and demerits. (8)
13.(i)
Explain how attitude and orbit control is achieved from an earth station. (8)
(ii) Derive the satellite link design equation.
(8)
14.
(i) Describe briefly the most common type of
high-power amplifying device (TWTA) used aboard a communication
satellite.
(8)
(ii) Why TT & C are necessary for a
satellite system ?. Explain in detail ?. (8)
15.(i) Briefly explain the sources of noise in satellite communication.
What is the importance of noise
temperature in link design ?
(8)
(ii) What are orbital elements ?. Derive
the six orbital elements of satellite from Newton’s law of motion ?. (8)
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