User`s guide

Overview of Model Validation and Plots
Plot Type Suppor ted Models
Learn More
Frequency Response
• All linear p arametric
models
• Spectral ana lysis
(nonparametric)
models
“Using
Frequency-Response
Plots to Validate
Models” on page 8-32
Noise Spectrum • All linear parametric
models
• Spectral ana lysis
(nonparametric)
models
“Creating
Noise-Spectrum Plots”
on page 8-40
Poles and Zeros
All linear parametric
models
“Using Pole-Zero Plots
to Validate Models” on
page 8-47
Nonlinear ARX Nonlinear ARX models
only
“Using Nonlinear
ARX Plots to Validate
Models” on page 8-52
Hammerstein-Wiener Hammerstein-Wiener
models only
“Using
Hammerstein-Wiener
Plots to Validate
Models” on page 8-56
Plotting Models in the GUI
To create one or more plots o f your models , select the corresponding check box
in the Model Views area of the Syste m Identi fication Tool GUI. An active
model icon has a thick line in the icon, while a n inactive model has a thin line.
Only active models appear on the selected plots.
To include or exclude a model on a plot, click the corresponding icon in the
System Identificatio n Tool GUI. Clicking the model icon updates any plots
that are currently open.
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