List the orbital elements and explain each of them.
[3 marks]Which are the advantages of satellite communication?
[4 marks]Explain Kepler’s three laws with necessary diagram and equations.
[7 marks]Define :(1) Eccentricity (2) Perigee (3) Apogee
[3 marks]Describe earth’s oblateness, sun & moon’s effects on artificial satellite orbit?
[4 marks]Calculate the radius of a circular orbit for which the period is 1 day.
[7 marks]An earth station is located at latitude of 12° south and longitude 52° west. Calculate the antenna look angle for a satellite at70° W.
[7 marks]Explain Cross-Polarization Discrimination.
[3 marks]What are atmospheric losses?
[4 marks]By using of equation and figure properly explain the look angle determination of satellite.
[7 marks]Explain the phenomenon of scintillation.
[3 marks]Differentiate between XPD and Polarization Isolation.
[4 marks]Explain what is meant by effective path length in connection with rain attenuation.
[7 marks]What is uplink? Draw and explain block diagram.
[3 marks]Write a short note on attitude control system.
[4 marks]Draw and explain block diagram of telemetry, tracking, command and monitoring system for communication satellite.
[7 marks]What is downlink? Draw and explain block diagram.
[3 marks]Draw block diagram for transmit receive type earth station.
[4 marks]Draw and Explain the block diagram of satellite transponder in detail.
[7 marks]List the advantage and disadvantage of FDMA multiple access techniques.
[3 marks]The uplink C/N0 ratio is 88dBHz and downlink value is 78dBHz. Calculate overall C/N0.
[4 marks]Explain asynchronous transfer mode in detail.
[7 marks]Describe briefly the difference between ATM digital cross connect switch and ATM switch.
[3 marks]Explain all the steps to follow for Uplink power budget preparation.
[4 marks]Explain block diagram of Code Division multiple Access in detail.
[7 marks]