3-D EM modeling of medical microwave imaging scenarios with controllable accuracy

T Singh, BM Ninkovic, MS Tasic… - … on Antennas and …, 2022 - ieeexplore.ieee.org
Medical microwave imaging (MMWI) is a multidisciplinary task that requires precise
electromagnetic modeling of heterogeneous human tissues, solving non-linear and ill-posed …

An efficient method of moments for thick-wire antennas

AK Rashid, Q Zhang - IEEE Transactions on Antennas and …, 2022 - ieeexplore.ieee.org
Detailed formulation of a simple Galerkin method of moments (MoM) is presented. It is based
on compact closed-form expressions of mutual impedance among filamentary sinusoidal …

Using ultra-high expansion orders of max-ortho basis functions for analysis of axially symmetric metallic antennas

AJ Krneta, BM Kolundzija - IEEE Transactions on Antennas …, 2018 - ieeexplore.ieee.org
Implementation of max-ortho basis functions is proposed in a method for analysis of axially
symmetric metallic antennas based on exact kernel of electric field integral equation in …

Macro Basis Functions for Efficient Analysis of Thick Wires in the MoM

WR Dommisse, JT Du Plessis, PI Cilliers… - … on Antennas and …, 2024 - ieeexplore.ieee.org
This article presents a macro basis function (MBF) formulation for efficient method of
moments (MoM) modelling of conducting wires with appreciable thickness. General surface …

A singularity cancelation transformation for entire-domain analysis of 2-D structures with high-precision integration

JG Perović, DI Olćan, BM Kolundžija… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
An approach to singularity cancelation by a variable transformation of Green's function in 2-
D case, having log () singularity, is outlined. It is intended for the method of moments …

High-precision method of moments applied to measurement of dielectric parameters at microwave frequencies

JG Petrović, DI Olćan, NN Obradović… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A novel high-precision model of a custom-made coaxial chamber used for broadband
measurement of the relative complex permittivity at microwave frequencies is presented. The …

High-Precision Integration Using Singularity Cancelation in Method of Moments

JG Petrović, DI Olćan… - 2023 31st …, 2023 - ieeexplore.ieee.org
We present coordinate transformations that cancel logR, 1/R, and 1/R^2 singularities
encountered in electromagnetic analysis of bodies of revolution and two-dimensional …

Numerical Modeling of Complex 3D Electromagnetic Scenarios for Medical Microwave Imaging

T Singh, B Ninkovic, M Stevanetic, M Tasic… - … Imaging for a Novel …, 2023 - Springer
The core of a microwave imaging (MWI) simulation environment is general-purpose three-
dimensional (3D) electromagnetic (EM) software. For this purpose, we use the solver WIPL …

Highly accurate 3D EM modeling based on ultra high order basis functions

B Kolundzija, A Krneta, D Olcan… - 2019 IEEE International …, 2019 - ieeexplore.ieee.org
Proper implementation of max-ortho bases enables effective usage of ultra high order basis
functions. Significance of ultra high order bases is demonstrated in the case of p-refinement …

Ultra High Order Basis Functions in Analysis of Scattering from Large Metallic Structures

B Kolundzija, A Krneta, D Olcan… - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
Polynomial higher order basis functions defined over quadrilaterals are regularly used with
patches of maximum edge up to 2λ and expansion order up to n= 8. In this paper it is …