Bode plots are a very useful way to represent the gain and phase of a system as a function of frequency. This is referred to as the frequency domain behavior of a system. This web page attempts to demystify the process. The various parts are more-or-less stand alone, so if you want to skip one or more, that should not be a problem. If you are only interested in a quick lesson on how to make Bode diagrams, go to "Making Plots." A MATLAB program to make piecewise linear Bode plots is described in BodePlotGui.

The documents are:

- What is the frequency domain response? In other words, "What does a Bode Plot represent?" This includes an animation.
- How are the piecewise linear asymptotic approximations derived?
- Rules for making Bode plots. This is a quick "How to" lesson for drawing Bode plots.
- Some examples (1, 2, 3, 4, 5, 6) - (combined into one file).
- BodePlotGui: A software tool for generating asymptotic Bode plots.
- A MatLab program for making semi-logarithmic paper for drawing your own Bode plots.
- A table summarizing Bode rules
- The MATLAB files discussed in these documents.

Also available is a compilation of items 1 through 8, for easy printing.

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