响应计算和可视化

分析时间响应图和频率响应图上的模型响应

函数

`sim`	Simulate response of identified model
`simOptions`	Option set for `sim`
`findstates`	Estimate initial states of model
`findstatesOptions`	Option set for `findstates`
`data2state`	Map past data to states of state-space and nonlinear ARX models

`bode`	动态系统的波特频率响应
`bodeplot`	Plot Bode frequency response of dynamic system
`bodemag`	频率响应的仅幅度波特图
`step`	动态系统的阶跃响应
`stepplot`	Plot step response of dynamic system
`stepinfo`	Rise time, settling time, and other step-response characteristics
`nyquist`	动态系统的奈奎斯特响应
`nyquistplot`	Plot Nyquist response of dynamic system
`impulse`	动态系统的冲激响应图；冲激响应数据
`impulseplot`	Plot impulse response of dynamic system
`pzmap`	动态系统的零极点图
`pzplot`	Plot pole-zero map of dynamic system
`iopzmap`	Plot pole-zero map for input-output pairs of dynamic system using default options
`iopzplot`	Plot pole-zero map for input-output pairs of dynamic system
`spectrum`	绘制或返回时间序列模型的输出功率谱或线性输入/输出模型的扰动谱
`spectrumplot`	Plot disturbance spectrum of linear identified models
`lsim`	计算动态系统对任意输入的时间响应仿真数据
`lsimplot`	Plot simulated time response of dynamic system to arbitrary inputs
`lsiminfo`	Compute linear response characteristics
`addResponse`	Add dynamic system response to existing response plot (自 R2024b 起)

`showConfidence`	Display confidence regions on response plots for identified models
`zoomcp`	Zoom Nyquist plot to region around critical point

`RespConfig`	Options for step or impulse responses (自 R2023a 起)
`bodeoptions`	Plot options for `bodeplot`
`nyquistoptions`	Create list of Nyquist plot options
`timeoptions`	Create list of time plot options
`pzoptions`	Options for pole-zero plots
`spectrumoptions`	Option set for `spectrumplot`
`getoptions`	Get options for `idplot` and `spectrumplot`
`setoptions`	Set options for `idplot` and `spectrumplot`

identpref 设置 System Identification Toolbox 预设项

ImpulsePlot Properties	Access impulse plot properties (自 R2024b 起)
LSimPlot Properties	Access simulated time response plot properties (自 R2024b 起)
StepPlot Properties	Access step plot properties (自 R2024b 起)
BodePlot Properties	Access Bode plot properties (自 R2024b 起)
NyquistPlot Properties	Access Nyquist plot properties (自 R2024b 起)
HSVPlot Properties	Access Hankel singular value plot properties (自 R2024b 起)
IOPZPlot Properties	Access input-output pole-zero plot properties (自 R2024b 起)
PZPlot Properties	Access pole-zero plot properties (自 R2024b 起)

Analyzing MIMO Models
In analysis plots of multiple-input, multiple output LTI models, there are plot tools for selecting subsystems and grouping I/O pairs.
Customize Linear Analysis Plots Using Property Editor
Interactively set axes labels and limits, fonts, grids, and other attributes of response plots.
Specify Toolbox Preferences for Linear Analysis Plots
Set linear analysis plot preferences that persist between MATLAB^® sessions.