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SignalUtils.KaiserBetaWindow Function

Returns beta parameter for frequency analysis with the Kaiser window.

Pascal
function KaiserBetaWindow(Ripple: double): double; overload;

Compute Beta parameter for the Kaiser window applied to the signal for the purpose of frequency analysis, where spectral leakage is limited with Ripple. The definition can be found in [1] p. 704, eq. 11.13. 

References:  

[1] Discrete-time signal processing, Oppenheim and Schafer, Prentice-Hall, 1989.

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