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Space Forum / Space Flight / May 2006width of a satellite frequency band
How does the width of a frequency band relate to the actual digital communications bandwidth? For instance, the Ka band satellite downlink is from 18.3-18.8 GHz. Knowing this, how can you compute bits per second data transfer rates? I don't want to be rude but did you try google? this is the channel capacity defined/discussed by Claude E. Shannon. These terms gets millions of Hits including a good article on the Wikipedia in the top 10. Bottom line... its about the SNR. Greg |
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