STUPIDSID
MU Electronics and Telecom Engineering (Semester 8)
Satellite Communication & networks
December 2013
Satellite Communication & networks
December 2013
1 (a)
What is spot beam ? Explain its use in satellite communication.
5 M
1 (b)
Define
(i) Argument of Perigee.
(ii) Right Ascension of ascending node
(i) Argument of Perigee.
(ii) Right Ascension of ascending node
5 M
1 (c)
Compare ELV and STS methods of launching satellite.
5 M
1 (d)
Explain rain depolarisation in detail.
5 M
2 (a)
What are look angles ? Explain its significance in relation to satellite position. Hence solve an Earth station is located at a latitude of 12° south and longitude of 52°W. Calculate antenna look angles for 0 satellite at 70°W.
10 M
2 (b)
Describe various reasons for perturbation of satellite orbits
10 M
3 (a)
Which type of double reflectors are used in satellite communication. Explain in detail.
10 M
3 (b)
What is intermodulation noise ? Does it affect the C/N ratio. Derive the expression for same
10 M
4 (a)
What is TT&e subsystem ? Explain the type of antennas used for tracking and command signal transmitting during transfer orbit.
10 M
4 (b)
Draw and explain block diagram of FDM/F M/FDMA earth station
10 M
5 (a)
Compare advantages of TDMA, FDMA and DS-SS CDMA Satellite signal.
10 M
5 (b)
Explain satellite space and mass power estimate in detail.
10 M
6 (a)
What is eclipse ? Are there any ways of avoiding eclipse during lifetime of satellite.
10 M
6 (b)
Explain the following :-
(i) Point of compression of MB.
(ii) AM to PM conversion.
(iii) UP and output back off ratio
(i) Point of compression of MB.
(ii) AM to PM conversion.
(iii) UP and output back off ratio
10 M
Write short notes on (any two)
7 (a)
TDMA synchronization
10 M
7 (b)
Orbital parameters
10 M
7 (c)
Lifetime of satellite
10 M
More question papers from Satellite Communication & networks