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Aide de Scilab >> Traitement du Signal > Filtrage > zpell

zpell

lowpass elliptic filter

Syntax

[zeros,poles,gain]=zpell(epsilon,A,omegac,omegar)

Arguments

epsilon

real : ripple of filter in pass band (0<epsilon<1)

A

real : attenuation of filter in stop band (A>1)

omegac

real : pass band cut-off angular frequency in radians per second

omegar

real : stop band cut-off angular frequency in radians per second

zeros

resulting zeros of filter

poles

resulting poles of filter

gain

resulting gain of filter

Description

Poles and zeros of prototype lowpass elliptic filter. gain is the gain of the filter

See also

  • ell1mag — magnitude of elliptic filter
  • eqiir — Design of iir filters
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Last updated:
Tue Feb 25 08:50:23 CET 2020