3 papers
eess.SY2026
NL-FRA: A MATLAB package for nonlinear frequency response analysis
Rajintha Gunawardena, Zi-Qiang Lang, Fei He
Nonlinear Output Frequency Response Functions (NOFRFs) provide a one-dimensional frequency-domain representation of nonlinear dynamics, enabling direct decomposition of an output s…
q-bio.NC2026
A Dynamical Systems and System Identification Framework for Phase Amplitude Coupling Analysis
Rajintha Gunawardena, Fei He
Phase-amplitude coupling (PAC), a form of cross-frequency coupling, is involved in diverse cognitive functions and neural communication, making its accurate detection and character…
eess.SY2024
NonSysId: A nonlinear system identification package with improved model term selection for NARMAX models
Rajintha Gunawardena, Zi-Qiang Lang, Fei He
System identification involves constructing mathematical models of dynamic systems using input-output data, enabling analysis and prediction of system behaviour in both time and fr…