Construction and Solution of Generalized Characteristic Equations for Transmission Line on Characteristic Mode

Starting from electric field integral equation for reradiation interference calculation of transmission lines, based on the functional relationship between the induced current and the incident electric field represented by the electric field integral equation, an impedance operator associated with the structural characteristic equation of transmission line represented by the operator is constructed. Then, the method of MoM is used to discretize the generalized characteristic equation and transform it into the generalized characteristic equation represented by the system of matrix equations. Finally, the implicit restart Arnoldi method is used to achieve the numerical solution of the transmission line characteristic mode and its related parameters.