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Efficient Macromodeling Techniques Of Distributed Networks Using Tabulated Data, Mohamed Sahouli
Efficient Macromodeling Techniques Of Distributed Networks Using Tabulated Data, Mohamed Sahouli
Electronic Thesis and Dissertation Repository
Efficient macromodeling techniques used to model multi-port distributed systems using tabulated data are presented. First a method to macromodel large multiport systems characterized by noisy frequency domain data is shown. The proposed method is based on the vector fitting algorithm and uses an instrumental variable approach and QR decomposition to formulate the least squares equations. The instrumental variable method minimizes the biasing effect of the least squares solution caused by the noise of the data samples while QR decomposition decouples the least squares equations of multiport systems described by common set of poles. It is illustrated, that the proposed approach …