
Satellite Communications Test 2
Authored by Vamshi Krishna
Science
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Rotation of a geosynchronous satellite means its
drift from stationary position
wobbling
three-axis stabilization
three-dimensional stabilization
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A transponder is a satellite equipment which
receives a signal from Earth station and amplifies
changes the frequency of the received signal
retransmits the received signal
does all of the above-mentioned functions
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A geosynchronous satellite
has the same period a that of the Earth
has a circular orbit
rotates in the equatorial plane
has all of the above
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The quality of a space-link is measured in terms of the __________ ratio.
C/N
S/N
G/T
EIRP
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What are the types of satellites?
artificial & homemade
natural & organic
natural & artificial
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What do natural and artificial satellites have in common?
the don't have anything in common
they orbit celestial bodies
they send information to the Earth
the float outer space with no direction
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Why are VHF, UHF, and microwave signals used in satellite communication?
more bandwidth
more spectrum space
are not diffracted by the ionosphere
Economically viable
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