An extension of the linear embedding via Green's operators method for the analysis of disconnected finite antenna arrays

S. Mokhlespour, V. Lancellotti, A.G. Tijhuis

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Abstract

We describe an extension of the linear embedding via Green’s operators (LEGO) method to the solution of finite antenna arrays comprised of disconnected elements in a homogeneous medium. The ultimate goal is the calculation of the admittance matrix and the radiation pattern of the array. As the basic idea is the inclusion of an array element inside a LEGO electromagnetic brick, the first step
towards the solution consists of the definition and numerical calculation of hybrid scattering-admittance operators which extend the notion of scattering operators of equivalent currents introduced in the past. Then again, the combination of many bricks involves the usual transfer operators for the description of the multiple scattering between the bricks. Moreover, to reduce the size of the problem we implement the eigencurrents expansion. With the aid of a numerical example we discuss the validation of the approach and the behaviour of the total CPU time as a function of the elements forming the array.
Original languageEnglish
Article number16052904
Pages (from-to)141-151
Number of pages11
JournalProgress in Electromagnetics Research M
Volume49
Publication statusPublished - Aug 2016

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