Answer the following problems.

problem 1) What do you understand by orbital spacing? Why it is required?

problem 2) Why downlink design is difficult than uplink design?

problem 3) Describe the term: beam acquisition in detail.

problem 4) describe CATV system in brief.

problem 5) prepare down the significance of noise figure.

problem 6) Describe in brief the advantages of CDMA over FDMA.

problem 7) How does satellite communication help in scientific study?

problem 8) Which kind of communication is best suited for long distance?

problem 9) prepare down the advantages of satellite communication.

problem 10) Briefly describe the use of tracking and pointing in satellite communication.

problem 11) describe in detail about DA-FDMA (SPADE) system. In what ways it is different from simple FDMA system.