December 1999
Intermediate to advanced
258 pages
5h 23m
English
Content preview from Essential Guide to RF and Wireless, TheBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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DECIBELS
Definition
If mathematicians had never come along, the story might stop right here and you would be an expert on loss and gain. Unfortunately, however, the signals leaving a transmitter can be literally a billion times larger than the signals arriving at the receiver, and the multiplication and division of such disparate numbers can be quite unruly. So mathematicians came up with a way of representing these big numbers with smaller numbers, which allows the use of addition and subtraction in place of multiplication and division. They call this little trick logarithms. (Or, as some people affectionately refer to them, those nasty little things which nobody understood in Algebra.) Before you panic and throw out the book, logarithms (or ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.