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SignalUtils.Chebyshev Function

Chebyshev's window.

Pascal
function Chebyshev(const Src: TVec; AttdB: double; Index: integer = 0; Len: integer = -1): TVec; overload;

Applies Chebyshevs equiripple window to Src. The attenuation of the spectral leakage is defined with the AttdB parameter in [dB]. Window functions are applied to the signal prior to conversion to frequency domain with the FFT algorithm, to reduce the spectral leakage. Their side-effect is a lower frequency resolution.

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