zpell

lowpass elliptic filter

Calling Sequence

[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 frequency in Hertz : :omegar real : stop band cut-off frequency in Hertz : :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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