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JEMAA is a professional journal in the field of electromagnetic analysis, testing and application. The goal of this journal is to provide an international platform for engineers and academicians all over the world to promote, share, and discuss various new issues and developments in the field of electromagnetics. It i…
Hector Torres-Silva, Diego Torres Cabezas
We study the analogy between the linear elasticity theory equations and classical Maxwell equation with chiral effects and we propose a new method of an earthquake-resistant design to support conventional aseismic designs using acoustic metamaterials. We sugg…
Utpal Jyoti Das
The flow and heat transfer of an incompressible viscous electrically conducting fluid over a continuously moving vertical infinite plate with uniform suction and heat flux in porous medium, taking account of the effects of the variable viscosity, has been con…
Heather H. Song
The start-oscillation-current of a gyro-TWT (gyrotron traveling-wave tube) determines the stable operating current level of the device. The amplifier is susceptible to oscillations when the operating current level is higher than the start-oscillation current.…
Noorhana Yahya, Nadeem Nasir, Majid Niaz Akhtar, Muhammad Kashif, Tanvir Hussain, Hasnah Mohd Zaid, Afza Shafie
The Controlled Source Electromagnetic Method (CSEM) is used for offshore hydrocarbon exploration. Hydrocarbon detection in seabed logging (SBL) is a very challenging task for deep hydrocarbon reservoirs. The electromagnetic field response of an antenna is una…
Margarita Tecpoyotl-Torres, Jose G. Vera-Dimas, Gustavo Urquiza Beltrán, L. Cisneros-Villalobos, Vladymyr Grimalsky, Svetlana V. Koshevaya
It is very important for the car users to have several communication systems and many antennas, which respond to the demands of aesthetics and efficiency. In this case, it is necessary to consider different types of materials and geometries. Among the automob…
Gharbi Ramzi, Zairi Hassen, Trabelsi Hichem, Baudrand Henri
This paper proposes a hybrid full-wave analysis using Finite-Difference Time-Domain (FDTD) and Wave Concept Iterative Process (WCIP) methods, developed to analyze locally arbitrarily shaped microwave structures and Multilayer Planar structure. Using the equiv…
Stanislav N. Kutishchev
In this paper, it is proved the ability of quantity reconstruction, amplitudes and coordinates of metallic strip local scattering sources from the backscattering pattern. They are performed as the results of numerical solution for the infinite perfect conduct…
Di Feng, Chunxi Zhang, Lishuang Feng, Yuanhong Yang
A kind of Subwavelength Planar Metallic Lenses (SPMLs) is proposed to realize far-field optical focusing in the visible range based on concentric rings with modulated width in a silver film. The width of each metallic ring is mutative so that the radiation fi…
Osama M. Abo-Seid, Ghada M. Sami
A simple and explicit derivation for the electric and magnetic fields in the ferromagnetic cores has been studied. An improved model for analyzing the distribution of electric and magnetic fields in a toroidal core is given. This leads to a basis system for t…
Marco A. O. Schroeder, Márcio M. Afonso, Tarcísio A. S. Oliveira, Sandro C. Assis
This paper presents a mathematical model to calculate transients in grounding systems. The derived equations arise from direct application of basic electromagnetic equations in frequency domain, whose solution is obtained by the application of the Moment Meth…
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JEMAA is a professional journal in the field of electromagnetic analysis, testing and application. The goal of this journal is to provide an international platform for engineers and academicians all over the world to promote, share, and discuss various new issues and developments in the field of electromagnetics. It i… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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