How to analyse Frequency response of a model in Simulink?

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Reema 2023-8-2

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https://ww2.mathworks.cn/matlabcentral/answers/2003597-how-to-analyse-frequency-response-of-a-model-in-simulink

回答： Ramtej 2023-8-24

I made a model for second order filter using resistors, capacitor and op-amp and now I want to analyse the frequency response. Unofrtunately, the student version dosn't have the feature to Model linearize in simulink.

I found this tutorial, Frequency response estimation of Simulink models - MATLAB frestimate - MathWorks Deutschland

But since my model is not from simulink but rather I made myself, I don't know how to modify it so that I can use the frequency response generator. Could anyone help me with this?

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Answer 1

Ramtej 2023-8-24

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Hi Reema,

I understand that you are trying to analyze frequency response of your own model. I assume you have access to Frequency Response Estimator Block in Simulink.

Please refer to Frequency Response Estimator documentation for the detailed instructions on how to set the parameters. Additionally, you can find the Frequency Response Estimation Basics here.

Hope that helps!