You can use stmcb or invfreqz in the discrete-time case, or
invfreqs in the continuous-time case. - jos
At 07:29 AM 3/10/2009, Rico Cordova wrote:
I have a question regarding
Octave's capabilities for System Identification.
Are there any methods available, using Octave, that will allow a user
to
input a step response and get an estimate of the transfer
function?
That is,
sys = tf(NUM, DEN)
[Y, T] = step(SYS)
estimate = Some_Function(Y, T)
Or something similar?
I can see several options using Matlab that will help here. From
what I can
tell both etfe and idfrd seem to be something along the lines of what
I'm
looking for. The GUI provided in the Matlab System Identification
Toolbox
will do exactly what I'm trying to do but I must do this with
Octave.
Any help or direction would be greatly appreciated. Thank you in
advance.
- Rico
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Julius O. Smith III <jos@...>
Prof. of Music and Assoc. Prof. (by courtesy) of Electrical
Engineering
CCRMA, Stanford University
http://ccrma.stanford.edu/~jos/
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