IndiaBIX

Electronics and Communication Engineering - Satellite Communication

Exercise : Satellite Communication - Section 2
26.
The degradation of satellite solar cells with time is mainly due to
their bombardment by electrons
collection of meteoric dust
increase in resistivity of silicon
gradual leakage of charge carriers from the semiconductor material
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
The echo heard by a telephone user on a satellite channel can be removed by using
a vocoder
a multiplexer
echo suppressor
digital techniques
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
The 1150 kg geosynchronous satellite INSAT-IA parked 36000 km above India had greatly improved India's
intelligence gathering capacity
domestic communications
meteorological capability
both (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Presently, the worlds's largest and most advanced multi-purpose communication satellite is
INSAT-2
Intelsat-V
INSAT-ID
Olympus-I
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
A satellite link uses different frequencies for receiving and transmitting in order to
avoid interference from terrestrial microwave links
avoid interference between its powerful transmitted signal and weak in coming signal
minimise free-space losses
maximise antenna gain
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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