Question
A satellite at an altitude of 15000 km operates at the central frequency of 18 GHz with a bandwidth of 7 GHz. Knowing the equivalent
A satellite at an altitude of 15000 km operates at the central frequency of 18 GHz with a bandwidth of 7 GHz. Knowing the equivalent noise temperature 460K and the efficiency of the receiving antenna 0.7, calculate the effective area of the receiving antenna of an Earth station if the SNR for Downlink is 7 dB Atmospheric absorption is considered 10 dB, the elevation of the ground station antenna 10°, and the Effective Isotropic Radiated Power from the ideal antenna is 0 dB .
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answer Effective area 986 m2 Explanation The effective area of a receiving antenna is an important p...
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Vector Mechanics for Engineers Statics and Dynamics
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
8th Edition
73212229, 978-0073212227
