BUILT-IN MATHEMATICA SYMBOL

BesselFilterModel

BesselFilterModel[n]
designs a lowpass Bessel filter of order n and cutoff frequency 1.

BesselFilterModel[{n, _c}]
uses the cutoff frequency .

BesselFilterModel[{n, _c}, var]
expresses the model in terms of the variable var.

Details Details

BesselFilterModel returns the designed filter as a TransferFunctionModel.
BesselFilterModel[n] uses machine precision to return a filter with attenuation of at frequency 1.

A third-order Bessel filter model with cutoff frequency at :

Out[1]=

Bode plot of the modeled filter:

Out[2]=

A sixth-order lowpass Bessel filter with cutoff frequency at :

Magnitude response of the filter showing the ideal filter characteristics:

Out[2]=

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