A Primer on Satellite Communications

Essay specific features

 

Issue:

Technology

 

Written by:

Paul K

 

Date added:

April 13, 2016

 

Level:

University

 

Grade:

A

 

No of pages / words:

45 / 12452

 

Was viewed:

10157 times

 

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Essay content:

The period of revolution is equal to the period of rotation of the earth with respect to the stars, or 23 hours 56 minutes 4.1 seconds, and thus by Kepler's third law the orbital radius is 42,164 km. Taking into account the radius of the earth, the height of a satellite above the equator is 35,786 km...
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He worked out a simple link budget, assuming a downlink frequency of 3 GHz, and estimated that the required transmitter output power for broadcast service to small parabolic antenna receivers would be about 50 watts. Electric power would be provided by steam generators heated by solar mirrors, but advances in technology might make it possible to replace them by arrays of photoelectric cells...
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