| You don't mention whether you want an emphasis on digital signal
processing, or if you need much information on stochastic processes,
image processing, adaptive filtering, etc.
The book "Signal Analysis" by A. Papoulis, McGraw Hill, has an overall
coverage of the subject, including some digital, and some random
variables.
Some other books I'm familiar with are
"The Fourier Integral and its Applications"
R. N. Bracewell, McGraw Hill - very good introduction to the
Fourier integral.
"Digital Signal Processing", Oppenheim and Schafer, Prentiss Hall -
One of the standard texts on digital signal processing.
"Digital Filters", R. W. Hamming, Prentiss Hall -
A very nice basic introduction to the subject.
"Frequency Analysis", available from Bruel and Kjaer -
Worth getting, its publshed by the well known B & K
instrumentation company and should be available as a freebie.
None of the above books will please the rigorous Lemma-Theorem-Proof
crowd, but all have solid information you can use for actually doing
things with signals. If you have a solid background in complex then
you're ahead of the game, since all the various transform techniques
can be understood with much less arm waving with it.
There are zillions of books and papers in this area, so perhaps the best
is to go to a university library and browse.
- Jim
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