syntfil[MagnitudeH] - compute the magnitude of a filter transfer function
syntfil[MagnitudeHdB] - compute the magnitude of a filter transfer function in dB
Calling sequence:
MagnitudeH(h)
MagnitudeHdB(h)
Parameters:
h - filter transfer function
Description:
Example:
> | with(syntfil): |
Definition of the transfer function
> | h:=1/(s^3+2*s^2+2*s+1); |
Magnitude function
> | MagnitudeH(h); |
Magnitude function in dB
> | MagnitudeHdB(h); |
Magnitude frequency response
> | plot(MagnitudeH(h)(omega),omega=0..3,0..1); |
Magnitude frequency response in dB
> | plot(MagnitudeHdB(h)(omega),omega=0..3); |
See also:
MakeH, Butterworth, Chebyshev, InvChebyshev, InvChebyshevB, Cauer, CauerB, CauerC