ECE :: Satellite Communication
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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.
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In the context of error detection in satellite transmission, ARQ stands for
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To cover all inhabited regions of the Earth, the number of geosynchronous communication satellites required
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The different access methods which permit many satellite users to operate in parallel through a single transponder without interfering with each other as
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When a communication satellite passes into Earth's shadow, its temperature drops to about __________ ° K.
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In envelope detection of an AM waveform
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Shannon's Law relates
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India's first three-axis stabilised geostationary communication satellite is
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Point out the false statement.
Launching of geostationary experimental communication satellite has helped India to gain experience in -
A modem is
Whatsapp
Facebook
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A.
Building, for the time, a body-stabilized geosynchronous communication satellite with its own apogee propulsion and control systems
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B.
Attitude control and station management operations for a geostationary satellite
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C.
Building launching rocket Ariane for putting APPLE in orbit
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D.
Domestic communications on an experimental basis
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