Celik, M.Ocali, O.Tan, M. A.Atalar, Abdullah2016-02-082016-02-081995-011057-7122http://hdl.handle.net/11693/25929A new method is proposed for dominant pole- zero (or pole-residue) analysis of large linear microwave circuits containing both lumped and distributed elements. The method is based on a multipoint Padé approximation. It finds a reduced-order rational s-domain transfer function using a data set obtained by solving the circuit at only a few frequency points. We propose two techniques in order to obtain the coefficients of the transfer function from the data set. The proposed method provides a more efficient computation of both transient and frequency domain responses than conventional simulators and more accurate results than the techniques based on single-point Padé approximation such as asymptotic waveform evaluation.EnglishMicrowave circuitsInterpolationTransfer functionsMicrowave theory and techniquesFrequency domain analysisPoles and zerosLinear circuitsEigenvalues and eigenfunctionsComputer networksPolynomialsArticle10.1109/81.3507911558-1268