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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…
Hao Hu, Zhigang Lu
A novel compact multiple-input-multiple-output (MIMO) antenna for portable ul-trawideband (UWB) applications is presented. This antenna consists of two modified planar-monopole antenna elements with coplanar waveguides-fed printed on one side of the substrate…
Volodymyr Grimalsky, Svetlana Koshevaya, Jesus Escobedo-Alatorre, Margarita Tecpoyotl-Torres
The nonlinear waves of terahertz (THz) range are investigated in the paraelectric crystals SrTiO 3 at the temperatures ~77 K. The frequency dispersion is important there. In the absence of a bias electric field the dominating nonlinearity is cubic. The freque…
Papa Ousmane Leye, Ali Khenchaf, Philippe Pouliguen
This paper is mainly devoted to application of the Gaussian beam summation technique in electromagnetic simulations problem. Gaussian beams are asymptotic solutions of the Helmholtz equation within the paraxial approximation. Since they are insensitive to ray…
Leif Siesing, Kenneth Frogner, Tord Cedell, Mats Andersson
The complex interaction between material properties in an induction heating circuit was studied by multi physics simulation and by experimental verification in a full-scale laboratory heater. The work aims to illustrate the complexity of the system of interac…
Yoshihiro Kokubo, Tadashi Kawai
Typical metallic waveguide mode converters convert electromagnetic waves from one mode to another mode for some frequency ranges. However, most electromagnetic waves outside of the specified frequency range are reflected. We report a design for a mode convert…
Hafawa Messaoudi, Aidi Mourad, Taoufik Aguili
A theoretical and modulation study of a dipole antenna located in rectangular waveguide is presented. The aim is to determine the nature and dimensions which allow us to attain the simulations in free space. We compare the behavior of a dipole antenna modeled…
Linqian Yin, Changshui Wu
In this paper, the mathematical model of solenoid valve in the fuel injection system of gas engine is built. Simulation software Matlab/Simulink are employed to analyze the impact which the voltage, number of the coil turns and air gap width may produce to th…
Joseph E. Borovsky, 1 1
The motional electric field of the solar wind as seen by the Earth is examined theoretically and with spacecraft measurements. As it flows outward from the sun, the solar-wind plasma carries a spatially structured magnetic field with it. To calculate the moti…
Douglas Letsholathebe, Kgakgamatso M. Mphale, Samuel Chimidza, Malcolm L. Heron
Large fires have an effect of suppressing Very or Ultra High Frequency (VHF/UHF) radio wave signals strength which consequently impact negatively on the efficiency of radio communications at the frequency ranges. Mobile hand-held radio operating at the freque…
Gabriele Gerardi, Antonella De Ninno, Vanni Ferrari, Sandro Mazzariol, Daniele Bernardini, Severino Segato
The present study is aimed to test whether exposure to electromagnetic fields of very weak intensity (≤1 mT) and low frequency (≤100 Hz) may influence reproductive performance and induce teratogenesis in mice. We speculate that a resonant effect occur when th…
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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.
Authors submit their manuscript, metadata, and declarations through the portal. There is no submission fee.
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At least two independent reviewers evaluate the manuscript under single-blind review. Where revisions are required, authors respond point by point.
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Manuscripts must be original and not under consideration elsewhere. Submit in Microsoft Word or LaTeX with figures at 300 dpi minimum. Structure research articles as Abstract, Introduction, Methods, Results, Discussion, and References.
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