What are the advantages of Satellite Communication?
[3 marks]Explain the Keplerian element set.
[4 marks]Explain asynchronous transfer mode in detail.
[7 marks]Ageostationary Satellite is located at 90° W. Calculate azimuth angle for An earth station antenna is located at latitude 35°Nand longitude 100°W.
[3 marks]Draw and explain the block diagram of satellite communication in detail.
[4 marks]Write a short note on the solar eclipse of satellite and sun transit outage.
[7 marks]Explain atmospheric losses in detail.
[3 marks]Asatellite in an elliptical orbit around the earth has an apogee of 39,152 km and a perigee of 500 km. What is the orbital period of the satellite? Average earth radius is 6,378.137 km.
[4 marks]Explain the block diagram of Satellite Transponder. Also explain the frequency reuse technique for Transponder.
[7 marks]Describe the following terms of Earth orbiting satellites (1) Ascending node (2) line of apsides (3)Retrograde orbit
[3 marks]Write a Short note on Atmospheric Drag.
[4 marks]What is the purpose of Telemetry, Tracking, Command in satellite communication? Explain in detail.
[7 marks]Differentiate XPD and Polarization Isolation.
[3 marks]What is Free space loss? The range between a ground station and a satellite is 42,000 km. Calculate the free-space loss at a frequency of 6 GHz.
[4 marks]Write a short note on TCP Link.
[7 marks]Write differences between: Attitude control and orbital control
[3 marks]Write a note on Rain depolarization.
[4 marks]Write short notes on Demand Access Multiple Access system.
[7 marks]Write a short note on Master Antenna TV Systems.
[3 marks]What is meant by rain attenuation? Derive an equation for the same.
[4 marks]Explain how to compute uplink and downlink C/Nratio for a typical satellite link.1
[7 marks]Aearth station have equivalent noise temperature of 200° K, noise bandwidth of 18 MHz, antenna gain of 50dB and carrier frequency of 12 GHz Determine, Gain to Equivalent Noise temperature ratio, Noise density, and Total Noise Power.
[3 marks]Write a short on various losses in uplink transmission.
[4 marks]What are the differences between multiplexing and multiple access techniques? Explain briefly Code division multiple access.
[7 marks]