In this paper,the electromagnetic scattering of plane wave with TM and TEpolarizations from a lossy dielectric cylinder with arbitrary cross section is analyzed andcomputed by using the boundary element method.The num...In this paper,the electromagnetic scattering of plane wave with TM and TEpolarizations from a lossy dielectric cylinder with arbitrary cross section is analyzed andcomputed by using the boundary element method.The numerical results of scattering pat-tern for a circular cylinder completely coincide with the analytical solution and that of thescattering properties in the near-or far-field region for elliptical and regular triangularcylinders are presented,which point out some valuable conclusions.展开更多
A new method is demonstrated for solving the electromagnetic scattering problemof a radially inhomogeneous lossless or lossy dielectric cylinder by Fourier series expansion.Com-pared with other methods,the method is s...A new method is demonstrated for solving the electromagnetic scattering problemof a radially inhomogeneous lossless or lossy dielectric cylinder by Fourier series expansion.Com-pared with other methods,the method is simpler in numerical calculation and can be used forsolving scattering problems of a cylinder due to an arbitrary incident electromagnetic beam.展开更多
The problem for calculating EM energy absorption by lossy dielectric scatterer ir-radiated by plane wave are discussed.The factors affecting the accuracy of computation arediscussed.The calculated results of EM energy...The problem for calculating EM energy absorption by lossy dielectric scatterer ir-radiated by plane wave are discussed.The factors affecting the accuracy of computation arediscussed.The calculated results of EM energy absorption and its distribution in homogeneousand layered homogenous lossy dielectric spheres are presented,and a comparison of these resultswith analytical solution is given.The calculation is carried out for dielectric cylinder on conduct-ing ground as well,and the results are compared with the image theory.All the computationsshew that the finite-difference time-domain method can give satisfactory results.展开更多
The complex parameters of dielectric slabs can be reconstructed according to thescattered field data if the slabs are illuminated by a harmonic electromagnetic wave and thescattered field is measured.This paper descri...The complex parameters of dielectric slabs can be reconstructed according to thescattered field data if the slabs are illuminated by a harmonic electromagnetic wave and thescattered field is measured.This paper describes a method for reconstruction of the parametersof single or double inhomogeneous lossy dielectric slabs.The numerical results are demonstrated.展开更多
文摘In this paper,the electromagnetic scattering of plane wave with TM and TEpolarizations from a lossy dielectric cylinder with arbitrary cross section is analyzed andcomputed by using the boundary element method.The numerical results of scattering pat-tern for a circular cylinder completely coincide with the analytical solution and that of thescattering properties in the near-or far-field region for elliptical and regular triangularcylinders are presented,which point out some valuable conclusions.
文摘A new method is demonstrated for solving the electromagnetic scattering problemof a radially inhomogeneous lossless or lossy dielectric cylinder by Fourier series expansion.Com-pared with other methods,the method is simpler in numerical calculation and can be used forsolving scattering problems of a cylinder due to an arbitrary incident electromagnetic beam.
文摘The problem for calculating EM energy absorption by lossy dielectric scatterer ir-radiated by plane wave are discussed.The factors affecting the accuracy of computation arediscussed.The calculated results of EM energy absorption and its distribution in homogeneousand layered homogenous lossy dielectric spheres are presented,and a comparison of these resultswith analytical solution is given.The calculation is carried out for dielectric cylinder on conduct-ing ground as well,and the results are compared with the image theory.All the computationsshew that the finite-difference time-domain method can give satisfactory results.
文摘The complex parameters of dielectric slabs can be reconstructed according to thescattered field data if the slabs are illuminated by a harmonic electromagnetic wave and thescattered field is measured.This paper describes a method for reconstruction of the parametersof single or double inhomogeneous lossy dielectric slabs.The numerical results are demonstrated.
