Sorry, not cross-correlation, convolution, too early in the morning here...
2007/5/27, Matthieu Brucher <[EMAIL PROTECTED]>:
Hi, Isn't the chirp transform only two cross-correlations ? And for a fast one, there is a module in SciPy, and I think that kind of operation belongs more to Scipy than Numpy ;) Matthieu 2007/5/27, Charles R Harris <[EMAIL PROTECTED]>: > > All, > > I have been looking around for chirp-z code with a useable license. > There is the original fortran version by Rader et. al. out there, as well as > a package from FreeBSD at > http://ftp2.at.freebsd.org/pub/FreeBSD/distfiles/fxt-2006.12.17.tgz. The > latter is c++ and relies on function signatures to distinguish various > functions with the same name, but looks pretty easy to translate. I note > that we could probably use an fast_correlate also. Is there any interest in > adding these to the fft pack? Or do they properly belong in scipy? > > Chuck > > _______________________________________________ > Numpy-discussion mailing list > [email protected] > http://projects.scipy.org/mailman/listinfo/numpy-discussion > >
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