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Electronics and Communication Engineering - Satellite Communication

Exercise : Satellite Communication - Section 2
1.
The noise temperature of sky is about __________ °K.
100
273
0
30
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Assuming earth to be a sphere of radius 6400 km and height of a geosynchronous satellite above Earth as 36000 km, the velocity of a geosynchronous satellite is __________ km/hr.
28000
15000
36000
11100
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
In the context of error detection in satellite transmission, ARQ stands for
Automatic Repeat Request
Automatic Relay Request
Accelerated Recovery Request
Automatic Radiation Quenching
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
To cover all inhabited regions of the Earth, the number of geosynchronous communication satellites required
5
3
10
2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The different access methods which permit many satellite users to operate in parallel through a single transponder without interfering with each other as
Frequency Division Multiple Access (FDMA)
Time Division Multiple Access (TDMA)
Code Division Multiple Access (CDMA)
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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