What is the bit error rate? About the sharing of narrowband random signal theory knowledge

Originally wanted to enter the explanation of the multi-modulation modulation method, but some netizens gave me a message and wanted to know the relationship between the signal-to-noise ratio and the bit-to-noise ratio. I thought that I spent a lot of energy on this relationship to figure out, so I wrote a few more articles to explain this knowledge. After all, it is also related to the bit error rate.

Use my summary document of the year to be a witness.

Let me talk about the first part!

The first part of the signal-to-noise ratio of the low-pass signal

When I wrote this document in the second year of my graduate school, I was really trying my best to figure it out. But what is depressed is that no one is helping me, so I don't want my students to continue to feel this depression now.

So there is a explanation of this document, first ask the students to read it again.

There are too many concepts involved!

If you don't understand, please ask your classmates Baidu!

Always tell me,

That is passive reception!

How to support this conclusion?

Welcome everyone to criticize me!

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