ECE :: Satellite Communication
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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
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A communication satellite is a repeater between
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The ending part of the popular teleserial Mahabharat will be beamed to the viewers
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The most effective anti jamming technique is
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For satellite communication, standard Earth stations have antenna diameters in the range of __________ metre.
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The Sun blots out the transmission of a geosynchronous satellite twice a year when satellite passes directly in front of it. This outage lasts for about
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In satellite communication, frequency modulation is used because satellite channel has
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In the case of a 70-MHz IF carrier for a transponder bandwidth of 36 MHz, energy must lie between MHz.
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Which of the following factor does NOT contribute to the drift of a geostationary satellite from its stationary position in space?
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In communication satellites, the up-link normally operates at a higher frequency than the down-link because it