Chapter 3

A Review of Some Important Math, Stats, and Systems

My intention in writing this chapter is to give a quick review of key mathematical, statistical, and engineering concepts which we’ll use in our study of telecommunications. I basically provide a brief review of random variables and random processes, and then talk in passing about the Fourier transform and linear time invariant (LTI) systems.

If this material is new to you, read what follows carefully and use the references to fill in any blanks you find; if this stuff is old hat, then give it a passing glance, if for no other reason than to familiarize yourself with the notation found throughout the book.

3.1 Random Variables

First, I’ll briefly review random variables, limiting ...

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