User`s guide

Understanding Spectrum Normalization .............. 3-11
Identifying Imp ulse-Response Models
............... 3-14
What Is Time-Do m ain Correlation Analysis?
........... 3-14
Data Supported by Correlation Analysis
............... 3-15
How to Estimate Correlation Models Using the GUI
..... 3-15
How to Estim ate Correlation Models at the C ommand
Line
.......................................... 3-16
How to Compute Response Values
.................... 3-18
How to Identify D elay Using Transient-Response Plots
... 3-18
Algorithm for Correlation Analysis
................... 3-20
Identifying Low-Order Transfer Functions (Process
Models)
......................................... 3-22
What Is a Process Model?
........................... 3-22
Data Supported by a Process Model
................... 3-23
How to Estimate Process Models Using the GUI
........ 3-23
Estimating Process Models at the Command Line
....... 3-29
Options for Specifying the Process-Model Structure
..... 3-35
Options for Multiple-Input M odels
................... 3-36
Options for the Disturbance Model Structure
........... 3-37
Options for Frequency-Weighing Focus
................ 3-38
Options for Initial States
........................... 3-39
Identifying Input-Output Polynomial Models
........ 3-41
What Are Black-Box Polynomial Models?
.............. 3-41
Data Supported by Polynomial Models
................ 3-48
Preliminary Step – Estimating Model Orders and Input
Delays
........................................ 3-49
How to Estimate Polynomial Models in the GUI
........ 3-57
How to Estimate Polynomial Models at the Comm and
Line
.......................................... 3-60
Options for Mul t iple-Input and Multiple-Output ARX
Orders
........................................ 3-64
Option for Frequency-Weighing Focus
................. 3-65
Options for Initial States
........................... 3-66
Algorithms for Estimating P olynom ial Models
.......... 3-66
Example – Estimating Models Using armax
............ 3-67
Identifying State-Space Models
..................... 3-73
What Are State-Space Models?
...................... 3-73
Data Supported by State-Space Models
................ 3-77
xi