Define (1) Apogee (2) Perigee (3) Subsetellite Path
[3 marks]State Kepler’s three laws of planetary motion.
[4 marks]Explain various frequency bands used for satellite communication.
[7 marks]Define Earth Eclipse of Satellite.
[3 marks]Explain Attitude & Orbit Control system (AOCS).
[4 marks]Draw and Explain block diagram of TTC & Msystem.
[7 marks]Briefly describe the Three axis method of satellite stabilization.
Define the terms Roll, pitch and yaw.
[3 marks]Explain the Effect of a nonspherical earth on orbital path of satellite.
[4 marks]Draw & Explain block diagram of Transponder.
[7 marks]Define the following : (1) Atmospheric drag. (2) Doppler Shift.
[3 marks]Explain what is meant by EIRP.
[4 marks]What is the advantage of TWTA used aboard the satellites.
[7 marks]Calculate the radius of a circular orbit for which the period is 1 day.
[3 marks]Derive Friis transmission equation for received power in any radio link.
[4 marks]Compare FDMA, TDMA and CDMA techniques.
[7 marks]Define elevation angle and azimuth angle.
[3 marks]Ageostationary satellite is located at 900 W. Calculate the azimuth angle for an earth-station antenna at latitude 350 Nand longitude 1000 W.
[4 marks]Discuss the various design issues related with uplink design and give the Expression C/Nratio for the same.
[7 marks]What is Demand Assigned FDMA.
[3 marks]Explain Noise Power Calculation in Satellite Link Budget.
[4 marks]Explain Sun transit outage phenomena.
[7 marks]What is SPADE System in channeling scheme.
[3 marks]Explain Various modulation schemes used in satellite communication.
[4 marks]Explain C/Nratio calculations in clean air and rainy conditions.
[7 marks]