Method of Moments and T-Matrix Hybrid

Hybrid computational schemes combining the advantages of a method of moments formulation of a field integral equation and T-matrix method are developed in this article. The hybrid methods are particularly efficient when describing the interaction of electrically small complex objects and electrically large objects of canonical shapes such as spherical multilayered bodies where the T-matrix method is reduced to the Mie series making the method an interesting alternative in the design of implantable antennas or exposure evaluations. Method performance is tested on a spherical multilayer model of the human head. Along with the hybrid method, an evaluation of the transition matrix of an arbitrarily shaped object is presented and the characteristic mode decomposition is performed, exhibiting fourfold numerical precision compared to conventional approaches.

Jelinek, LukasCzech Technical University in Prague (författare)
Capek, MiloslavCzech Technical University in Prague(Swepub:lu)mi7441ca (författare)
Gustafsson, MatsLund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Teoretisk elektroteknik,Forskargrupper vid Lunds universitet,LTH profilområde: AI och digitalisering,LTH profilområden,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH,Electromagnetic Theory,Lund University Research Groups,LTH Profile Area: AI and Digitalization,LTH Profile areas,Faculty of Engineering, LTH(Swepub:lu)tde-mgu (författare)
Czech Technical University in PragueInstitutionen för elektro- och informationsteknik (creator_code:org_t)

Ingår i:IEEE Transactions on Antennas and Propagation70:5, s. 3560-35740018-926X

Av författaren/redakt...: Losenicky, Vit; Jelinek, Lukas; Capek, Miloslav; Gustafsson, Mats

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