41. RADAR is an acronym for:
42. A method of communication in which communication takes place in both the directions, but only in one direction at a time?
43. Which of the following statements is NOT true:
44. The INSAT operates in
45. Tropospheric scatter communication is use for which frequency band?
46. The type of radar that is used to eliminate clutter in navigational applications is
47. A radar system uses magnetron as high power RF source. Its transmitter emits 300 kW RF power at 10% duty factor. If the efficiency of radar transmitter during pulse is 60% and the power required during pulse off period is 1 kW. The average power dissipation in radar is-
48. Match List-I with List-II and select the correct answer as per the options:
List-I
List-II
a. To ensure all bursts arrive the satellite in their correct time slots
1. Loop back
b. Initial portion of a traffic burst that carries information similar to that carried in the reference burst
2. Network synchronization
c. In refers to the fact that an earth station receives its own transmission, from which it can determine range
3. Burst code word
d. It is used to establish burst timing in TDMA
4. Preamble
| List-I | List-II |
| a. To ensure all bursts arrive the satellite in their correct time slots | 1. Loop back |
| b. Initial portion of a traffic burst that carries information similar to that carried in the reference burst | 2. Network synchronization |
| c. In refers to the fact that an earth station receives its own transmission, from which it can determine range | 3. Burst code word |
| d. It is used to establish burst timing in TDMA | 4. Preamble |
49. The basic rate of SONET is
50. Random satellite moves in
Read More Section(Satellite Communication)
Each Section contains maximum 100 MCQs question on Satellite Communication. To get more questions visit other sections.