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Time-Domain Integral Equation Solver for Planar Circuits Over Layered Media Using Finite Difference Generated Green's Functions

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4 Author(s)
Ghaffari-Miab, M. ; Sch. of Electr. & Comput. Eng., Centre of Excellence on Appl. Electromagn. Syst., Univ. of Tehran, Tehran, Iran ; Valdes, F. ; Faraji-Dana, R. ; Michielssen, E.

A simple, highly accurate, and efficient 2D finite-difference technique for computing the direct convolution of time-domain Green's functions (TDGFs) of layered media with temporal interpolators is presented. The proposed TDGFs are incorporated into a recently developed marching-on-in-time (MOT)-based time-domain integral equation (TDIE) solver based on noncausal high-order B-Spline temporal interpolators without requiring the prediction of future unknowns. Numerical results demonstrating the applicability of the technique to the analysis of various microwave structures are presented.

Published in:

Antennas and Propagation, IEEE Transactions on  (Volume:62 ,  Issue: 6 )