of harmonic inversion - given a discrete-time, finite-length signal
that consists of a sum of finitely-many sinusoids (possibly exponentially
decaying) in a given bandwidth, it determines the frequencies, decay
constants, amplitudes, and phases of those sinusoids.
WWW: http://ab-initio.mit.edu/wiki/index.php/Harminv
PR: ports/142154
Submitted by: Stas Timokhin <devel@stasyan.com>
