Search Results - "Kolundzija, B.M."

Multiminima heuristic methods for antenna optimization by Kolundzija, B.M., Olcan, D.I.

“…Two general approaches to multiminima optimization are considered. The first approach is based on repetition of a single minima method (e.g., the Nelder-Mead…”
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Power conservation in method of moments and finite-element method for radiation problems by Kolundzija, B.M., Petrovic, V.V.

“…Conservation of energy and power can be, under certain conditions, exactly satisfied in an approximate numerical method. In this paper necessary and sufficient…”
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"Smart" 3D Electromagnetic Modeling by Kolundzija, B.M., Milosevic, T.S., Pavlovic, M.S., Yin, Wen-Yan

“…Techniques for "smart" 3D EM modeling are briefly recollected and described. By applying these techniques to a 3-layer printed dipole antenna, which is…”
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Electromagnetic modeling of composite metallic and dielectric structures by Kolundzija, B.M.

“…A new, general, and very efficient method for analysis of arbitrary composite metallic and dielectric structures, based on the PMCHW formulation and Galerkin…”
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Accurate solution of square scatterer as benchmark for validation of electromagnetic modeling of plate structures by Kolundzija, B.M.

“…An infinitesimally thin-square scatterer, of size /spl lambda//spl times//spl lambda/, excited normally by an incident plane wave, which is polarized along a…”
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On the locally continuous formulation of surface doublets by Kolundzija, B.M.

“…Exact (locally continuous) formulation of doublets and particularly rooftop basis functions based on unitary vector concept are presented. Basic properties of…”
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Comparison of a class of subdomain and entire domain basis functions automatically satisfying KCL by Kolundzija, B.M.

“…Accuracy, number of unknowns, and CPU time are compared for piecewise linear subdomain basis functions and polynomial entire domain basis functions. Both types…”
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PO Driven Iterative Galerkin Solution of Field Integral Equations by Tasic, M.S., Kolundzija, B.M.

“…This paper introduces a PO-driven iterative Galerkin solution of field integral equations. The procedures can be applied in analysis of perfectly conducting…”
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Electromagnetic modeling of composite metallic and dielectric structures by Kolundzija, B.M.

“…Starting from equivalence theorem any composite metallic and dielectric structure can be analyzed by using SIE (Surface Integral Equation). Such integral…”
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Analysis of prime-focus symmetrical reflector antennas by WIPL code by Kolundzija, B.M.

“…The scattered field from reflector is usually evaluated by using a) GO (Geometrical Optics) combined with AF (Aperture Field) method, or b) PO (Physical…”
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Power balance in MoM/SIE and FEM solved by Galerkin method by Kolundzija, B.M., Petrovic, V.V.

“…The power balance is analyzed in MoM/SIE for metallic and metallic-dielectric structures and in FEM. The Galerkin method, when applied to the analyzed MoM and…”
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Antenna optimization using combination of random and Nelder-Mead simplex algorithms by Kolundzija, B.M., Olcan, D.I.

“…We present a relatively simple and robust algorithm for finding optimal and near optimal solutions for antenna design based on a combination of random and…”
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Spiral super-quadric generatrix and bodies of two generatrices in automated parameterization of 3-D geometries by Kolundzija, B.M., Djordjevic, A.R.

“…Most of the methods that solve the surface integral equation (SIE) by the method of moments (MoM) use triangles and flat quadrilaterals for geometrical…”
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Analyse of one type of resonant cell by Nesic, D.A., Kolundzija, B.M.

“…Analyse of one type of resonant cell is proposed. One to three cells are combined into a low pass filter. The filter design curves for various substrates and…”
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New modified microstrip bandstop filter with only one (first order) bandstop by Nesic, D.A., Kolundzija, B.M.

“…In this paper, a new structure with only one (first order) bandstop is reported. A simple trapezoid shape of the microstrip line is introduced instead of the…”
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Accurate solution of helical antenna as benchmark for validation of thin-wire modelling by Ponjavic, S.T., Kolundzija, B.M.

“…In this paper, an accurate plate model of helical antenna is developed using WIPL-D Pro, a full wave 3D EM software. Realistic coaxial cable feed below PEC…”
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Efficient iterative solution of surface integral equations based on maximally orthogonalized higher order basis functions by Sumic, D.S., Kolundzija, B.M.

“…The goal of this paper is to propose maximally orthogonalized higher order basis functions that automatically satisfy the continuity equation at the boundary…”
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On the Efficiency of Particle Swarm Optimizer when Applied to Antenna Optimization by Olcan, D.I., Golubovic, R.M., Kolundzija, B.M.

“…This paper presents the results for three different antenna optimization problems that are found using the particle swarm optimizer (PSO). The outcomes found…”
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Optimum choice of currents' expansion order in MLFMM algorithm for electromagnetic scattering by Kolundzija, B.M., Pavlovic, M.S., Mrdakovic, B.

“…The goal of this paper is to investigate how accuracy and efficiency of MLFMM of a given level depends on the order of approximation. We performed this…”
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RF absorber reflectivity evaluation using RCS calculation by Janic, B.B., Kolundzija, B.M.

“…This paper presents the method for evaluation of reflectivity of RF absorber using 3D electromagnetic solver WIPL-D Pro. Absorber design using measurement and…”
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