Exercise: Satellite Communication

Questions for: Satellite Communication

For satellite communication, standard Earth stations have antenna diameters in the range of __________ metre.
A:
27.5 to 30
B:
10 to 15
C:
30 to 50
D:
5 to 10
Answer: A
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The most effective anti jamming technique is
A:
frequency hopping
B:
spread-spectrum modulation
C:
key leverage
D:
once-only key
Answer: B
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The ending part of the popular teleserial Mahabharat will be beamed to the viewers
A:
WESTAT
B:
INSAT-IC
C:
ARABSAT
D:
INSAT-ID
Answer: C
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A communication satellite is a repeater between
A:
a transmitting station and a receiving station
B:
a transmitting station and many receiving station
C:
many transmitting station and many receiving station
D:
none
Answer: C
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While keeping the down-link frequency constant, the diameter of a satellite antenna is reduced by half. To offer the same EIRP over the increased coverage area, the RF output power has to be increases by a factor of
A:
2
B:
4
C:
8
D:
16
Answer: B
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