

Satellite Communication - Engineering
Q1: In communication satellites, the up-link normally operates at a higher frequency than the down-link because itA gives a narrow beam shining into space
B results in lesser signal attenuation
C gives better beam-shaping
D
is easier to polarize a high frequency beam
ANS:A - gives a narrow beam shining into space Obviously, the radius of the satellite is much smaller than the earth so use a narrow concentrated beam for uplink. |


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