Question 1) What do you mean by C/N ratio.
Question 2) What do you understand by line of sight?
Question 3) Write and explain Erlang congestion formula.
Question 4) Sketch neat and clean frame structure of TDMA.
Question 5) Write down the principle of working of an optical fiber.
Question 6) State apogee and perigee in detail.
Question 7) What do you mean by inclination. Explain it in detail.
Question 8) Define Kepler’s second law.
Question 9) What do you mean by polar satellites?
Question 10) What do you mean by spot beam antenna?
Question 11) Sketch the frame format and briefly explain operation of FDMA.
Question 12) Write brief note on satellite TV.
Question 13) Describe in detail different frame synchronization techniques.
Question 14) Distinguish between active and passive satellites.
Question 15) Draw and describe block diagram of a satellite transponder.
Question 16) A geostationary satellite radiates a power of 2W from an antenna with gain 10 dB towards earth. Compute the flux density and the power received by an antenna on earth with an effective aperture of 12m square. Suppose operating frequency to be 12 GHz and receiving antenna gain as 100 dB.
Question 17) Write brief notes on:
a) VSAT
b) DATDMA
Question 18) Compare various digital modulation schemes used in satellite communication system.