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Hybrid Space-Discretizing Method—Method of Moments for the Analysis of Transient Interference

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2 Author(s)
Khlifi, R. ; Inst. for High Frequency Eng., Tech. Univ. Munich ; Russer, P.

A new efficient hybrid method combining the transmission-line matrix (TLM) and the time-domain method of moments (MoM) is introduced for the accurate modeling of the transient interference between a perfectly conducting thin surface of arbitrary shape and a complex object exhibiting compound with arbitrary electrical properties separated by large free space. For the modeling of the conducting surface, the time-domain electric-field integral equation is used along with the MoM, which relies on a triangular-patch geometrical model of the exterior surface and operates according to the marching-on-in-time technique. The complex inhomogeneous object is modeled by the TLM scheme. The electromagnetic interaction between the objects is provided by the dyadic free-space Green's function in the time domain. To validate this new approach, we have compared the results with those obtained using the pure TLM method

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:54 ,  Issue: 12 )