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Πλοήγηση ανά Συγγραφέα "Anastassiu, H. T."
Αποτελέσματα 1-13 από 13
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Ioannidi, C. C; Anastassiu, H. T. (2009-03)A novel version of the 2-D adaptive integral method (AIM), called circulant AIM, is presented. The method is suited particularly to cylindrical structures of a quasicircular cross section, such as the wall of a jet engine ...
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Avdikos, G. K.; Anastassiu, H. T. (2005)The computational costs of three numerical techniques used in electromagnetics, namely the moment method (MoM), the method of auxiliary sources (MAS), and its modified version (MMAS), are estimated for various calculation ...
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Anastassiu, H. T. (2006-08-03)A very efficient computational technique for the input susceptance of an arbitrarily large circular loop antenna is presented. The Moment Method matrix is analytically inverted, owing to its circulant property. A magnetic ...
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Tatalopoulos, L. C.; Sotiropoulos, A. I.; Skouris, S .P.; Anastassiu, H. T. (2009-04)Arrays of circular, double-loops are treated via a semi-analytical technique, on the basis of a Method of Moments formulation. A Pocklington-type integral equation for the current is derived and discretised via a suitable ...
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Fast, simple and accurate computation of the currents on an arbitrarily large circular loop antenna Anastassiu, H. T. (2006-03)This paper is presenting a very efficient method for computing the currents on a circular loop antenna with arbitrarily large size. Pocklington's integral equation is formulated for the circular loop geometry, and the ...
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Vougioukas, S.; Anastassiu, H. T.; Regen, C.; Zude, M. (2013-04)Radio propagation within a plum orchard was investigated using ZigBee devices operating within the 2.4 GHz band. Measurements were performed to estimate power attenuation due to the presence of trees and their foliage. ...
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On the use of nonsingular kernels in certain integral equations for thin-wire circular-loop antennas Fikioris, G.; Papakanellos, P. J.; Anastassiu, H. T. (2008-01)Fundamental properties of certain popular integral equations for thin-wire circular-loop antennas with nonsingular kernels are studied. The cornerstone of our study is a large-asymptotic formula for the n'th Fourier ...
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Tsitsas, N. L.; Alivizatos, E. G.; Kaklamani, D. I.; Anastassiu, H. T. (2007-05)The analytic inversion of the Method of Auxiliary Sources (MAS) matrix plays an important role in the rigorous investigation of the accuracy of the method. In this paper we investigate the accuracy of MAS when the method ...
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Tsitsas, N. L.; Alivizatos, E. G.; Anastassiu, H. T.; Kaklamani, D. I. (2005)This paper presents a rigorous accuracy analysis of the method of auxiliary sources (MAS) for the problem of oblique incidence plane wave scattering by a perfectly conducting, infinite circular cylinder. For this particular ...
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Anastassiu, H. T.; Vouldis, A. T.; Avdikos, G. K. (2005-10)In this paper the Method of Auxiliary Sources (MAS) is applied to scattering problems from infinite, cylindrical, conducting and dielectric objects. The scatterers under investigation can be considered as perturbed duplicates ...
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Papkelis, E. G.; Psarros, I.; Ouranos, I. C.; Moschovitis, C. G.; Karakatselos, K. T.; Vagenas, E.; Anastassiu, H. T.; Frangos, P. V. (2007-04)In this paper, a two-dimensional (2D) simulation method for the calculation of radio coverage in urban-area sites is presented, based on the analytical methods of physical optics (PO) and the physical theory of diffraction ...
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Sotiropoulos, A. I.; Plegas, I. V; Koulouridis, S.; Anastassiu, H. T. (2012)Interaction of carbon nanotubes (CNTs) with electromagnetic waves has not been extensively investigated, nor is well understood. In this paper, we examine the scattering behavior of finite CNTs arrays at terahertz frequencies. ...
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Papkelis, E. G.; Anastassiu, H. T.; Frangos, P. V. (2008-10)An accurate and time-efficient method for the calculation of the scattered electromagnetic (EM) field from rectangular plates (walls) in the near and Fresnel zone areas is presented in this letter. The proposed method, ...
Αποτελέσματα 1-13 από 13
