Time-Domain to Magnitude and Phase
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This s-function captures a sample of two (ideally oscillatory) signals and, using a FFT, computed the amplitude ratio and phase difference between the two signals during a simulation.
This is intended to provide a way to numerically generate nonlinear equivalents of Bode plots for either linear or nonlinear systems. By choosing a frequency of interest (e.g. an input frequency you select), you can compute the amplitude and phase of another signal, like the output of a nonlinear control system, with respect to the input. Bode plots are defined and available only for steady-state linear systems with transfer functions. This function allows you to numerically generate similar plots (after your system reaches dynamic steady state) for linerr or nonlinear systems.
Zitieren als
Marc Compere (2025). Time-Domain to Magnitude and Phase (https://www.mathworks.com/matlabcentral/fileexchange/3021-time-domain-to-magnitude-and-phase), MATLAB Central File Exchange. Abgerufen.
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- Control Systems > Control System Toolbox > Linear Analysis > Time and Frequency Domain Analysis > Frequency-Domain Analysis >
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Version | Veröffentlicht | Versionshinweise | |
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1.0.0.0 |