Search Results - "Nayyeri, V."

Synthesis, characterization and dielectric properties of one-step pyrolyzed / activated resorcinol-formaldehyde based carbon aerogels for electromagnetic interference shielding applications by Abolghasemi Mahani, A., Motahari, S., Nayyeri, V.

“…The present study is an attempt to investigate the effects of simultaneous pyrolysis/activation processes and 3D network characteristic on structural,…”
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A highly linearized second harmonic injected GaN power amplifier by Abbasnezhad, F., Tayarani, M., Abrishamifar, A., Nayyeri, V.

“…This article presents an active second harmonic injection technique for linearizing power amplifiers (PAs). In this method, a second harmonic signal with…”
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Electromagnetic and microwave absorption characteristics of PMMA composites filled with a nanoporous resorcinol formaldehyde based carbon aerogel by Mahani, A. Abolghasemi, Motahari, S, Nayyeri, V

“…Nanostructured carbons have opened up new perspectives in fields of electromagnetic (EM) applications. The present study aims at the processing of microwave…”
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Mutual Coupling Reduction by Pixelated Resonator Structure by Ghadimi, A., Nayyeri, V., Khanjarian, M., Salimi, P., Soleimani, M., Ramahi, O. M.

“…In this paper, a systematic procedure to reduce mutual coupling between linear 2×1 array microstrip antennas is proposed. The proposed design procedure is…”
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Medium density fiberboard (MDF) with efficient electromagnetic shielding: Preparation and evaluation by Pourjafar, Mohammad, Behrooz, Rabi, Nayyeri, Vahid, Shalbafan, Ali

“…Carbon fiber (CF)-filled fiberboard specimens for electromagnetic (EM) shielding applications were produced in this study by mixing CF with wood fiber (WF)…”
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A Novel Dual-Band Chiral Metamaterial Structure with Giant Optical Activity and Negative Refractive Index by Zarifi, D., Soleimani, M., Nayyeri, V.

“…A novel dual-band semi-planar chiral metamaterial structure is proposed in this paper. The optical characteristics and effective parameters of the proposed…”
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On the Miniaturization of Semiplanar Chiral Metamaterial Structures by Zarifi, D., Soleimani, M., Nayyeri, V., Rashed-Mohassel, J.

“…In this paper, miniaturized chiral metamaterial (CMM) structures with smaller unit cells or lower resonant frequencies are investigated. In achieving this…”
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Electromagnetic Scattering From Inhomogeneous Planar Layered Media Using Notation of Propagators by Nayyeri, V., Zarifi, D., Soleimani, M.

“…In this paper, the reflection and transmission of an electromagnetic plane wave from (through) planar layered of inhomogeneous bi-anisotropic media are…”
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Dual- and Multiband Chiral Metamaterial Structures With Strong Optical Activity and Negative Refraction Index by Zarifi, D., Soleimani, M., Nayyeri, V.

“…A novel dual-band chiral metamaterial based on the conjugated gammadions structure is proposed. Simulation and experimental results, which are in a very good…”
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FDTD Modeling of Dispersive Bianisotropic Media Using Z-Transform Method by Nayyeri, V, Soleimani, M, Rashed Mohassel, Jalil, Dehmollaian, M

“…The finite-difference time-domain (FDTD) technique for simulating electromagnetic wave interaction with a dispersive chiral medium is extended to include the…”
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Reflection From Stratified Media Backed by a Perfect Electromagnetic Conductor (PEMC) by Nayyeri, V., Soleimani, M., Dehmollaian, M., Rashed-Mohassel, J.

“…Perfect electromagnetic conducting (PEMC) boundary is a generalization of both PEC and PMC boundaries, creating nonreciprocal reflection which could be…”
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Assessment of RF radiation levels in the vicinity of 60 GSM mobile phone base stations in Iran by Nayyeri, Vahid, Hashemi, Seyed Mohammad, Borna, Maryam, Jalilian, Hamid-Reza, Soleimani, Mohammad

“…Increasing development of mobile communication infrastructure while enhancing availability of the technology raises concerns among the public, who see more…”
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Designing a Compact-Optimized Planar Dipole Array Antenna by Hashemi, S M, Nayyeri, V, Soleimani, M, Mallahzadeh, A-R

“…The design of an optimized planar dipole array (OPDA) antenna is presented using particle swarm optimization (PSO), a well-known global optimization method…”
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A Circularly Polarized Metasurface Antenna by Babazadeh, SF, Khanjarian, M, El Badawe, M, Nayyeri, V, Soleimani, M, Ramahi, OM

“…The concept of metasurface antennas based on electrically small resonators was recently introduced and has opened a new window into the design of high gain…”
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Implementation of a PEMC boundary condition in the 2-D FDTD technique by Nayyeri, V., Soleimani, M., Dehmollaian, M.

“…In this paper, a two-dimensional FDTD technique is presented to solve scattering problems involving PEMC boundaries. Basically, new FDTD updating equations are…”
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PEMC-backed perfectly matched layer as a truncation boundary by Nayyeri, V., Soleimani, M., Dehmollaian, M.

“…A new application for perfect electromagnetic conducting boundary, a recently introduced type of perfectly conducting boundaries creating nonreciprocal…”
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Analysis of inhomogeneous chiral slab using Taylor's series expansion by Zarifi, D., Soleimani, M., Abdolali, A., Nayyeri, V.

“…In this paper, an analytic frequency domain method based on Taylors series expansion is introduced to analyze inhomogeneous planar layered chiral media for an…”
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Analytical and numerical calculation of reflection from a stratified structure backed by a PEMC by Nayyeri, V., Soleimani, M., Dehmollaian, M.

“…Reflection from a stratified medium, backed by a perfect electromagnetic conductor (PEMC) due to an oblique incident plane wave is calculated analytically and…”
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Novel technique for improvement of transmission line matrix method algorithm frequency response by Rajabi, M., Komjani, N., Nayyeri, V.

“…In this paper, an accurate and numerically robust singularity correction technique for transmission line matrix method (TLM) algorithm is proposed. The…”
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