Modelling and analysis of non-linear and dispersive microwave systems in the time domain

A new method of non-linear system design, and non-linear subsystem modelling is presented. The method is based on deriving the non-linear state equations for each subsystem and combining the individual state equations to solve the entire system. Time domain modelling and simulation is used throughout the procedure but frequency-domain characteristics are also available. Modelling of non-linear subsystems is achieved by a single shot measurement which offers considerable saving in measurement time. The derived models are not based on equivalent circuits and this offers flexibility and saving in the amount of data stored for each model.