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Nice write-up. The pragmatic title is certainly accurate.

From first principles my favorite is Oppenheim / Schafer's 1989 version of 'Discrete-Time Signal Processing'. Its falling apart from all the use over the years.

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That’s like the gold standard when it comes to the theory, though I like Richard Lyons book better, as it shows many tricks. Most DSP guys have a bag (trash bag sized) full of tricks.

My goto book on SP as well. It was the text book in a SP class for my MSEE and it's been on my bookshelf since.

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