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Kaiser Window Time-Bandwidth Product
Define the
main-lobe
``cutoff frequency'' as half-way to the first zero in
:
Then
is equal to 1/2 `time-
bandwidth
product'
In this definition of time-bandwidth product, the ``cut-off frequency
of the
Kaiser-window
transform is defined as
half
of the first null frequency,
i.e.
,
.
trades off
side lobe
level for main lobe width
larger
lower S.L.L., wider mainlobe
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``
FFT Windows
'', by
Julius O. Smith III
and Bill Putnam, (From Lecture Overheads,
Music 421
).
Copyright ©
2020-06-27
by
Julius O. Smith III
and Bill Putnam
Center for Computer Research in Music and Acoustics (CCRMA),
Stanford University
[Automatic-links disclaimer]