Browsing by Author "Nosich, A. I."
Now showing items 120 of 30

Accurate simulation of reflector antennas by the complex sourcedual series approach
Oğuzer, T.; Altıntaş, A.; Nosich, A. I. (Institute of Electrical and Electronics Engineers, 199508)The radiation from circular cylindrical reflector antennas is treated in an accurate manner for both polarizations. The problem is first formulated in terms of the dual series equations and then is regularized by the ... 
Analysis of an arbitrary conic section profile cylindrical reflector antenna, Hpolarization case
Oğuzer, T.; Nosich, A. I.; Altintas, A. (IEEE (Institute of Electrical and Electronics Engineers), 2004)Twodimensional scattering of waves by a perfectly electric conducting reflector having arbitrary smooth profile is studied in the Hpolarization case. This is done by reducing the mixedpotential integral equation to the ... 
Analysis of an arbitrary profile reflector antenna having resistivetype surfaceHpolarization case
Oǧuzer, T.; Altıntaş, Ayhan; Nosich, A. I. (IEEE, 20080607)A regularizationbased numerical solution is obtained for arbitraryshape conic section profile reflector antenna in 2D, for the Hpolarization case. New point is that the reflector surface is assumed a resistivetype ... 
Analysis of an arbitrary profile reflector antenna system having resistive type surface–Epolarization case
Oǧuzer, T.; Altıntaş, Ayhan; Nosich, A. I. (IEEE, 200606)The regularized solution is performed for arbitrary shape conic section profile geometry. In this case the reflector surface is taken as made up of resistive type material. The problem is formulated depending on the circular ... 
Analysis of radome covered circular reflectors by complex sourcedual series approach
Oğuzer, T.; Altıntaş, A.; Nosich, A. I. (IEEE, 1994)Radiation from a two dimensional reflector antenna covered by a cylindrical radome is analyzed by the complex dual series approach. It is only performed for the electrically polarized incident field. The approach is based ... 
Analysis of the ellipticprofile cylindrical reflector with a nonuniform resistivity using the complex source and dualseries approach: Hpolarization case
Oğuzer, T.; Altintaş, A.; Nosich, A. I. (Springer, 2013)An ellipticprofile reflector with varying resistivity is analyzed under the illumination by an Hpolarized beam generated by a complexsourcepoint (CSP) feed. The emphasis is done on the focusing ability that is potentially ... 
Analytical regularization based analysis of a spherical reflector symmetrically illuminated by an acoustic beam
Vinogradov, S. S.; Vinogradova, E. D.; Nosich, A. I.; Altintaş, A. (IEEE, 2000)A mathematically accurate and numerically efficient method of analysis of a spherical reflector, fed by a scalar beam produced by a complex source point feed, is presented. Two cases, soft and hard reflector surface, are ... 
A comparative study of RCS predictions of canonical rectangular and circular cavities with doublelayer material coating
Koshikawa, S.; Çolak, D.; Altıntaş, A.; Kobayashi, K.; Nosich, A. I. (Denshi Jouhou Tsuushin Gakkai,Institute of Electronics Information and Communication Engineers, 199711)A rigorous radar cross section (RCS) analysis is carried out for twodimensional rectangular and circular cavities with doublelayer material loading by means of the WienerHopf (WH) technique and the RiemannHilbert problem ... 
Epolarized beam scattering by an open cylindrical PEC strip having an arbitrary "conicalsection" profile
Oğuzer, T.; Nosich, A. I.; Altintaş, A. (John Wiley & Sons, Inc., 2001)Twodimensional (2D) scattering of waves by a conducting strip with a canonical profile is simulated in the Epolarization case. This analysis is performed by reducing a singular integral equation (IE) to the dualseries ... 
Effect of imperfect flat earth on the vertically polarized radiation of a cylindrical reflector antenna
Boriskina, S.; Nosich, A. I.; Altintas, A. (IEEE, 200002)The radiation of a circular cylindrical reflector antenna in the presence of imperfect flat earth is treated in an accurate manner. The boundary value problem is formulated in terms of a fullwave integral equation converted ... 
Enhancement of plasmon resonances in the wave scattering by finite grids of circular silver wires
Natarov, D. M.; Benson, T. M.; Altıntaş, Ayhan; Sauleau, R.; Nosich, A. I. (IEEE, 201009)Using the field expansions in local coordinates and addition theorems for cylindrical functions, we consider the problem of the Hpolarized plane wave scattered by a finite chain of circular wires. The absorption and ... 
Integral equation anlaysis of an arbitraryprofile and varyingresistivity cylindrical reflector illuminated by an Epolarized complexsourcepoint beam
Oguzer, T.; Altintas, A.; Nosich, A. I. (Optical Society of America, 20090609)A twodimensional reflector with resistivetype boundary conditions and varying resistivity is considered. The incident wave is a beam emitted by a complexsourcepoint feed simulating an aperture source. The problem ... 
Lasing modes of infinite periodic chain of quantum wires
Byelobrov, V. O.; Benson, T. M.; Sewell, P.; Altıntaş, Ayhan; Nosich, A. I. (IEEE, 20090607)In this paper, we study the scattering and eigenvalue problems for a periodic open optical resonator that is an infinite chain of active circular cylindrical quantum wires standing in free space. The scattering problem is ... 
Lens or resonator? Electromagnetic behavior of an extended hemielliptic lens for a submillimeterwave receiver
Boriskin, A. V.; Nosich, A. I.; Boriskina, S. V.; Benson, T. M.; Sewell, P.; Altintas, A. (John Wiley & Sons, 2004)The behavior of a 2D model of an extended hemielliptic silicon lens of a size typical for THz applications is accurately studied for the case of a plane Ewave illumination. The fullwave analysis of the scattering problem ... 
Lowthreshold Lasing eigenmodes of infinite periodic chain of quantum wires
Byelobrov, V.; Ctyroky, J.; Benson, T. M.; Sauleau, R.; Altintas, A.; Nosich, A. I. (Optical Society of America, 20101026)We study the lasing eigenvalue problems for a periodic open optical resonator made of an infinite grating of circular dielectric cylinders standing in free space, in the E and Hpolarization modes. If possessing a ... 
Manipulation of backscattering from a dielectric cylinder of triangular crosssection using the interplay of golike ray effects and resonances
Sukharevsky, Ilya O.; Nosich, A. I.; Altıtaş, Ayhan (Institute of Electrical and Electronics Engineers, 2015)A triangular dielectric cylinder (dielectric prism) of the size, in crosssection, comparable to or moderately larger than the wavelength is a scatterer, which blends together two different types of electromagnetic behavior: ... 
The method of analytical regularization in the electromagnetic wave scattering by thin disks
Balaban, M. V.; Nosich, A. I.; Altıntaş, Ayhan; Benson, T. M. (Institution of Engineering and Technology, 2007)We consider the problem of diffraction of an arbitrary electromagnetic wave by a thin disk made from different materials and located in free space. Here we imply a zero thickness perfectly electrically conducting (PEC) ... 
The method of regularization and its application to some EM problems
Altıntaş, Ayhan; Nosich, A. I. (Springer, 2000)The regularization of the integral equations for the solution of electromagnetic problems is discussed. The technique includes a semianalytic inversion of the integral operator resulting in equation of the Fredholm second ... 
Modelling a resistivereflector antenna by the complex sourcedual series approach: the 2D case of Hpolarization
Altıntaş, Ayhan; Nosich, A. I.; Yurchenko, V. B. (IEEE, 1995)The simulation of reflector antenna is normally conducted under an assumption of the perfect conductivity of reflector. This paper presents an analysis of resistive reflector beamforming using modified method of regularization ... 
Numerically exact analysis of a twodimensional variableresistivity reflector fed by a complexpoint source
Nosich, A. I.; Yurchenko, V. B.; Altintaş, A. (Institute of Electrical and Electronics Engineers, 199711)Accurate numerical analysis of a twodimensional (2D) variableresistivity reflector has been carried out by the method of regularization based on the analytical inversion of the corresponding static problem. The complex ...