The Weird Waves of Wi-Fi
Curious Cases
How Do We Filter Out the Signal That Is Streaming Radio?
You can start with just two different applitudes, one for one and one for zero. But if you want to pack in more information, you can have more aplitude levels. And the potem is, as you add more and more aptitude levels, it gets pretty challenging at the other end to work out which of all these applitude levels you've just received. So you need a stronger and stronger signal in order to be to differentiate the levels. In the end, being able to convey maybe six, eight, ten bits in eacha what we call symbol,. Which is particular transmission that we make on modulated carrier.
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