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Frequency Response Estimation

Estimate frequency response and examine frequency-domain characteristics of a Simulink® model or a physical plants

Frequency response describes the steady-state response of a system to sinusoidal inputs. Simulink Control Design™ lets you estimate the frequency response of a system modeled in Simulink (offline estimation). You can perform offline estimation using Model Linearizer or at the command line.

Online estimation lets you deploy an embedded estimation algorithm as a standalone application for real-time estimation of a physical plant.

The result of frequency response estimation is a frequency response model, stored as an frd model object. You can use this model for tasks such as linear analysis, controller design, or identification of a parametric model. For more information about the types of frequency response estimation and available tools, see Frequency Response Estimation Basics.