Electric field integral equation for cylindrical structures

Wettergren, Johan; Slättman, Peter

doi:10.1049/ip-map:19960234

Cited by 10 publications

(9 citation statements)

References 4 publications

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“…The synthetic asymptote has been used recently to generate formulas in microwaves, such as those in [5][6][7][8]. Briefly, it is constructed from two known asymptotes at the two limits of a parameter, and adjusted for accuracy in between with one or two arbitrary constants.…”

Section: Resultsmentioning

confidence: 99%

“…These spectral Green's functions require the use of spectral electric and magnetic field integral equations (EFIE and MFIE) to solve the 2D problem in spectral domain. The authors of [6] presented EFIE for PEC cylindrical structures, and its applications can be found in [2,3]. This Letter will present the spectral electric and magnetic field integral equations for cylindrical structures of dielectric materials, perfect electric conductors (PEC), and perfect magnetic conductors (PMC), and the formulation of the field discontinuity over these boundaries for some field components.…”

Section: Introductionmentioning

confidence: 99%

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Presentation of the spectral electric and magnetic field integral equations used in G2DMULT for analyzing cylindrical structures of multimaterial regions

Yang

Kildal

2002

Micro & Optical Tech Letters

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Bacterial and protozoal infections can cause thrombocytopenia and may mimic idiopathic thrombocytopenic purpura (ITP). Brucella species and Toxoplasma are among the infectious agents with protean clinical manifestations which may induce immune thrombocytopenia. In rare cases, thrombocytopenia can be severe and may result bleeding into the skin and from mucosal sites. Prompt recognition of this complication and aggressive therapy are essential, since the mortality associated with bleeding into the central nervous system is high. We report two patients with complaints of severe epistaxis and thrombocytopenia associated with brucellosis and toxoplasmosis. Thrombocytopenic purpura in these cases responded well to the high‐dose corticosteroid treatment with platelet recovery within 2–3 days. For cases with infection‐induced immune thrombocytopenic purpura, short‐term high‐dose corticosteroids may be applied as an urgent therapy without worsening of the clinical condition. Am. J. Hematol. 74:52–54, 2003. © 2003 Wiley‐Liss, Inc.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Presentation of the spectral electric and magnetic field integral equations used in G2DMULT for analyzing cylindrical structures of multimaterial regions

Yang

Kildal

2002

Micro & Optical Tech Letters

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“…Most of these studies deal with TE or TM plane wave incidence. In many practical conditions, arbitrary 3D source excitation is encountered, for example a dipole near a mast or strip (Wettergren and Slattman 1996), slots in cylinder (Forooraghi et al 1993, Peterson and Mittra 1989, Ulversoy and Kildal 1989, Wettergren and Kildal 1995, dipole antenna near arti® cially soft and hard surface (Chen et al 1995), etc. A 2D scatterer excited by a 3D source in free space is the simplest problem. In this case, analytical solutions can be obtained for a small number of cross-sections of special shape (Ulversoy andKildal 1989, Wait 1959).…”

Section: Introductionmentioning

confidence: 99%

“…In this case, analytical solutions can be obtained for a small number of cross-sections of special shape (Ulversoy andKildal 1989, Wait 1959). For an arbitrary 2D scatterer, the numerical method is often employed (Farooraghi et al 1993, Peterson and Mittra 1989, Wettergren and Kildal 1995, Wettergren and Slattman 1996. So far, only a few studies discuss the 2D scatterer excited by a 3D source in nonhomogeneous regions.…”

Section: Introductionmentioning

confidence: 99%

“…Thus the matrix number is reduced to N. This advantage is also available in (Forooraghi et al 1993, Peterson and Mittra 1989, Wettergren and Kildal 1995, Wettergren and Slattman 1996 but the scatterer of these works is located in free space. Besides, the number of induced currents is also reduced to N leading to the computation time saving in the calculation of the scattered ® eld.…”

Section: Introductionmentioning

confidence: 99%

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Full wave analysis of a 3D source near strips in a multilayer region

Chu¹

1998

International Journal of Electronics

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Full wave analysis of a 3D source near strips in a multilayer region MING-LIN CHUANG² and FU-LAI CHU²A rigorous and e cient full wave method to analyse the near ® eld of a 3D source near conductive strips located in a multilayered region is presented. The excitation ® eld by a 3D source is expanded into summation of plane waves and rotated to a new coordinated system to use the plane wave transmission formulation in multilayered media. The moment method is used to calculate the current induced on the strips by these plane waves. Only one matrix inverse is needed for all incident plane waves with the same propagation constant along the strip axis, thus the total computation time is greatly reduced. The accuracy of the proposed method is veri® ed by comparison with UTD in free space.

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