Browsing MF  Makale Koleksiyonu  ElektrikElektronik Mühendisliği Bölümü / Department of ElectricalElectronics Engineering by Author "İdemen, Mehmet Mithat"
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Confluent edge conditions for the electromagnetic wave at the edge of a wedge bounded by material sheets
İdemen, Mehmet Mithat (Elsevier ScienceWave Motion, 200007)The edge conditions which dictate the asymptotic behaviour of the electromagnetic field near the edges play a crucial role in solving boundaryvalue problems involving boundaries having edges. In analytical studies they ... 
Confluent tip singularity of the electromagnetic field at the apex of a material cone
İdemen, Mehmet Mithat (Elsevier Science, 200309)The tip singularity of the electromagnetic field at the apex of a cone (conical sheet) is investigated in its most general framework. To this end one considers, without loss of generality, a circularly symmetric cone which ... 
Derivation of the Lorentz transformation from the Maxwell equations
İdemen, Mehmet Mithat (Vsp BV, 2005)The Special Theory of Relativity had been established nearly one century ago to conciliate some seemingly contradictory concepts and experimental results such as the Ether, universal time, contraction of dimensions of ... 
Diffraction of twodimensional highfrequency electromagnetic waves by a locally perturbed twopart impedance plane
İdemen, Mehmet Mithat; Alkumru, Ali (Elsevier Science BV, 200506)During the second half of the last century mixed boundaryvalue problems had been an appealing research subject for both mathematicians and engineers. Among this kind of problems those connected with wave propagation in ... 
A generalization of the WienerHopf approach to direct and inverse scattering problems connected with nonhomogeneous halfspaces bounded by npart boundaries
İdemen, Mehmet Mithat; Alkumru, Ali (Oxford Univ Press, 200008)The classical WienerHopf method connected with mixed twopart boundaryvalue problems is generalized to cover npart boundaries. To this end one starts from an adhoc representation for the Green function, which involves ... 
Influence of the velocity on the energy patterns of moving scatterers
İdemen, Mehmet Mithat; Alkumru, Ali (Taylor & Francis, 2004)Parallel to the developments in the communication through space vehicles achieved during the last two decades, the scattering problems connected with moving objects became more and more important from both theoretical and ... 
A new method for the source localization in sectionally homogeneous bounded domains involving finitely many inner interfaces of arbitrary shapes
İdemen, Mehmet Mithat; Alkumru, Ali (PergamonElsevier Science, 200105)A new method to localize a static point source buried in a nonhomogeneous bounded domain composed of finitely many homogeneous parts separated by interfaces of arbitrary shapes was established. The source can be a simple ... 
On a class of functional equations of the WienerHopf type and their applications in npart scattering problems
İdemen, Mehmet Mithat; Alkumru, Ali (Oxford Univ Press, 200312)An asymptotic theory for the functional equation Kphi=f, where K : X>Y stands for a matrixvalued linear operator of the form K=K1P1+K2P2+...+KnPn, is developed. Here X and Y refer to certain Hilbert spaces, {Palpha} ... 
Scattering of electromagnetic waves by a rectangular impedance cylinder
Topsakal, Erdem; Büyükaksoy, İbrahim Alinur; İdemen, Mehmet Mithat (Elsevier Science, 200004)A uniformly valid asymptotic solution is developed for the diffraction of a highfrequency wave by an infinitely long rectangular cylinder having different impedance walls. The incident wave is generated by a line source ...