With
as a pole and
as a zero of the transfer function.
Poles and zeros are always real or complex conjugate.
The Java applet shows the
domain
of a system with two poles and two zeros.
Poles (×) and
zeros (O) can be dragged with the mouse.
The amplitude response and the phase response are shown along side.
Plot: |H(s)| may takes a while.
The source code (version 96/09/28) and the GPL.
[ www.thole.org | Manfred Thole ]