I went searching for some DSP ebooks and found some interesting ones:
The Scientist's and Engineer's Guide to DSP:
http://www.analog.com/processors/learning/training/dsp_book_index.html
Algorithms for Programmers:
http://www.jjj.de/fxt/fxtbook.pdf
A Really Friendly Guide to Wavelets:
http://perso.wanadoo.fr/polyvalens/clemens/download/arfgtw_26022004.pdf
May not be much to some, but I expect to spend many hours with these. I'm jealous of the understanding some of you have of this stuff; any advice on free and cheap resources is welcome.
-Chuckk
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http://www.badmuthahubbard.com