Integral Equation Methods for Electromagnetics

Volakis, John L.; Sertel, Kubilay

doi:10.1049/sbew045e

Cited by 125 publications

(79 citation statements)

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“…At this point, we use the the MOM to solve the SIE established above numerically [15][16][17][18]. In implementation, the most suitable basis functions called RWG basis functions [19] are used, and the equivalent electric currents J can be expanded as (14) where N is the total number of edges on the surface of the particle; f n are the RWG basis functions; J n are the expansion coefficients yet to be determined.…”

Section: Surface Integral Equation Methodsmentioning

confidence: 99%

Scattering of Non-Diffracting Vortex Electromagnetic Wave by Typical Targets

Yu¹,

Han²,

Cui³

2017

PIER Letters

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Abstract-In the field of radar target detection, vortex electromagnetic (EM) wave carrying orbital angular momentum (OAM) has drawn great attention in recent years because of its prospect to improve the capacity of information acquisition. As a typical vortex EM wave, the high-order Bessel vortex beam (HOBVB) has the properties of non-diffraction propagation, small central spot diameter, good direction, and long propagation distance. This study investigates the scattering of non-diffracting HOBVB by radar targets. The mathematical description of the electromagnetic field components of the arbitrarily incident HOBVB are given. The surface integral equations for solving the scattering problems involving typical radar targets are established. The effects by OAM intrinsic mode characteristics on the radar scattering cross section are simulated. This investigation is expected to provide useful guidance for revealing EM scattering mechanism in the OAM domain.

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Section: Surface Integral Equation Methodsmentioning

confidence: 99%

Scattering of Non-Diffracting Vortex Electromagnetic Wave by Typical Targets

Yu¹,

Han²,

Cui³

2017

PIER Letters

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“…Для решения задач рассеяния диэлектри-ческими объектами применяются также методы, основанные на решении ИУ [40][41][42][43][44][45][46][47][48][49][50][51]. Для решения ИУ наиболее часто применяется метод момен-тов (MoM) [47][48][49][50] (проекционный метод [41]).…”

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Remote sensing of snowfalls. Review

Veselovska¹

2015

RADIOFIZ. ELEKTRON.

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“…Using the surface and volume equivalence principles [34], the conducting surface is replaced with a surface electric current J c , and the volume of the coating is replaced by volume polarization electric current J p and magnetic current M p . These currents are radiating in unbounded free space.…”

Section: Formulationmentioning

confidence: 99%

“…In the quest of reducing the number of unknowns and in resemblance with the SSIE, the VSIE has another variant for modeling the inhomogeneity. Instead of modeling the problem using the equivalent electric and magnetic current sources as unknown quantities, alternatively either the electric field or magnetic field can be used as a single unknown quantity [31][32][33][34]. This method will be denoted here as SVSIE.…”

Section: Introductionmentioning

confidence: 99%

An Integral Equation Formulation for Tm Scattering by a Conducting Cylinder Coated With an Inhomogeneous Dielectric/Magnetic Material

Sakr¹,

Soliman²,

Abdelmageed³

2014

PIER B

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Abstract-A volume-surface integral equation (VSIE) formulation is developed for determining the electromagnetic TM scattering by a two-dimensional conducting cylinder coated with an inhomogeneous dielectric/magnetic material. The electric field integral equations (EFIEs) are utilized to derive the VSIE. The surface EFIE is applied to the conducting surface, while the volume EFIE is applied to the coating region. By employing the surface and equivalence principles, the problem is reduced into a set of coupled integral equations in terms of equivalent electric and magnetic currents radiating into unbounded space. The moment method is used to solve the integral equations. Numerical results for the bistatic radar cross section for different structures are presented. The well-known exact series-solution for a conducting circular cylinder coated with multilayers of homogeneous materials is used along with the available published data to validate the results. The influence of using coatings with double-positive (DPS) and/or double-negative (DNG) materials on the radar cross section is investigated.

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Integral Equation Methods for Electromagnetics

Cited by 125 publications

References 0 publications

Scattering of Non-Diffracting Vortex Electromagnetic Wave by Typical Targets

Scattering of Non-Diffracting Vortex Electromagnetic Wave by Typical Targets

Remote sensing of snowfalls. Review

An Integral Equation Formulation for Tm Scattering by a Conducting Cylinder Coated With an Inhomogeneous Dielectric/Magnetic Material

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