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Electronics and Communication Engineering - Satellite Communication

Exercise : Satellite Communication - Section 2
6.
When a communication satellite passes into Earth's shadow, its temperature drops to about __________ ° K.
273
243
170
123
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
In envelope detection of an AM waveform
One side band and full-ampiitude carrier are needed
Both side bands and full-amplitude carrier are needed
Only two side bands are needed
Upper side band and part of carrier are needed
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Shannon's Law relates
antenna gain to frequency
noise power to bandwidth
information-carrying capacity to S/N ratio
transmission losses to noise
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
India's first three-axis stabilised geostationary communication satellite is
Rohini
Aryabhatta
Apple
Bhaskara
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Point out the false statement.
Launching of geostationary experimental communication satellite has helped India to gain experience in
Building, for the time, a body-stabilized geosynchronous communication satellite with its own apogee propulsion and control systems
Attitude control and station management operations for a geostationary satellite
Building launching rocket Ariane for putting APPLE in orbit
Domestic communications on an experimental basis
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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