DFT, Chaotic Signal.

Cuthbert Nyack
The spectrum of a chaotic signal is very different from that of a random signal. In the applet below, the system can be moved in and out of chaos by varying the driving parameter g(very sensitive).
The system has different ranges of periodic and chaotic behaviour and the applet shows how the spectrum changes as the system becomes chaotic.

Applet below show the same behaviour with a windowed signal. The book on Chaotic Dynamics by Baker and Gollub can be consulted for more information.

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COPYRIGHT 2007 Cuthbert Nyack.