[PD] basic DSP stuff

[günter geiger]

On Tue, 8 Nov 2005, Frank Barknecht wrote:
> unit i (or j in DSP books) is, well, complex. For a detailed
> introduction you might want to review somehting like that:
> http://en.wikibooks.org/wiki/Algebra:Complex_numbers
> http://www.physics.umd.edu/courses/Phys374/fall04/files/ComplexNumbers.pdf

There is also an introduction on Julius Smith homepage:

http://ccrma.stanford.edu/~jos/mdft/Complex_Numbers.html

really good stuff there in general.

Guenter