Optically reconfigurable planar monopole antenna for cognitive radio application
Sign Up to like & getrecommendations! Published in 2019 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.31678
Abstract: Frequency reconfigurable antenna is one of the important elements needed for cognitive radio application. Such antenna can be designed using highly resistive (HR) silicon (Si) operating as an optical switch. This letter presents a novel… read more here.
Keywords: antenna; ghz ghz; cognitive radio; reconfigurable planar ... See more keywords
Open Loop Resonator-Based Triple Passband Filter for 1.5 GHz, 2.45 GHz and 3.65 GHz Applications
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Electronic Materials"
DOI: 10.1007/s11664-018-6516-y
Abstract: In this paper, a dual mode mixed open loop resonator (OLR)-based metamaterial antenna is introduced for the design of a triple-passband filter for GPS, WLAN and WiMAX applications. The antenna is embedded into a 50-Ω… read more here.
Keywords: passband filter; ghz ghz; resonator; ghz ... See more keywords
Metamaterial-Based Four-Band Electromagnetic Energy Harvesting at Commonly Used GSM and Wi-Fi Frequencies
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Electronic Materials"
DOI: 10.1007/s11664-019-06962-9
Abstract: A metamaterial-based energy harvesting structure for harvesting 0.90 GHz, 1.80 GHz, 2.60 GHz GSM bands and a 5.80 GHz Wi-Fi frequency band is numerically and experimentally demonstrated. The metamaterial unit cell consists of four nested split-ring resonators (SRRs) interconnected… read more here.
Keywords: energy harvesting; band; metamaterial based; ghz ghz ... See more keywords
Design, simulation, and fabrication of a double annular ring microstrip antenna based on gaps with multiband feature
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Science and Technology, an International Journal"
DOI: 10.1016/j.jestch.2021.06.013
Abstract: Abstract A novel double annular-ring microstrip antenna, split into six sectors, is proposed to achieve multiband operation with high gain and impedance bandwidth. The gaps on the driven and parasitic patches excite resonant frequencies that… read more here.
Keywords: ghz; double annular; ring microstrip; ghz ghz ... See more keywords
Enhanced and broadband microwave absorption of flake-shaped Fe and FeNi composite with Ba ferrites
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2016.11.119
Abstract: Abstract In order to achieve a broad bandwidth absorber at high frequency, the composites of M-type ferrite BaCo 1.0 Ti 1.0 Fe 10 O 19 (BaM) with flaked carbonyl iron powders (CIP) and flaked Fe… read more here.
Keywords: absorption; ghz; bam; enhanced broadband ... See more keywords
An inverse chiral EBG manufactured by a 3D printing method
Sign Up to like & getrecommendations! Published in 2018 at "Materials Letters"
DOI: 10.1016/j.matlet.2018.08.110
Abstract: Abstract In this work, a novel inverse chiral electromagnetic band gap (EBG) structure with dual band gaps is studied. The EBG, which is made of alumina ceramic, was fabricated utilizing a 3D printing technology combining… read more here.
Keywords: method; inverse chiral; band; ebg ... See more keywords
Comment on “Polarization-insensitive and thin stereometamaterial with broadband angular absorption for the oblique incidence”
Sign Up to like & getrecommendations! Published in 2019 at "Results in Physics"
DOI: 10.1016/j.rinp.2019.02.057
Abstract: Abstract In a recently published report, a polarization-insensitive and thin stereometamaterial (PITS) is proposed by Li et al. (2015) and they indicated that it can realize a broadband absorption by the orthogonal double-split-ring structure for… read more here.
Keywords: polarization insensitive; insensitive thin; polarization; ghz ghz ... See more keywords
A tri-band left-handed meta-atom enabled designed with high effective medium ratio for microwave based applications
Sign Up to like & getrecommendations! Published in 2020 at "Results in physics"
DOI: 10.1016/j.rinp.2020.103032
Abstract: Abstract This paper represents a tri-band left-handed meta-atom with high effective medium ratio, which is applicable for tri-band microwave based communication applications. The proposed meta-atom consists of modified complementary split ring resonator (CSRR) with two… read more here.
Keywords: meta atom; ghz ghz; tri band; ghz ... See more keywords
A mutual coupled concentric crossed-Line split ring resonator (CCSRR) based epsilon negative (ENG) metamaterial for Tri-band microwave applications
Sign Up to like & getrecommendations! Published in 2020 at "Results in physics"
DOI: 10.1016/j.rinp.2020.103292
Abstract: Abstract A metamaterial design and its analysis based on an epsilon negative concentric crossed-line split ring resonator (CCSRR) have been presented in this paper. The CCSRR unit cell structure is the amendment of the typical… read more here.
Keywords: ghz; unit cell; split ring; ghz ghz ... See more keywords
Acute effects of 2.856 GHz and 1.5 GHz microwaves on spatial memory abilities and CREB-related pathways
Sign Up to like & getrecommendations! Published in 2021 at "Scientific Reports"
DOI: 10.1038/s41598-021-91622-4
Abstract: This study aimed to evaluate the acute effects of 2.856 GHz and 1.5 GHz microwaves on spatial memory and cAMP response element binding (CREB)-related pathways. A total of 120 male Wistar rats were divided into… read more here.
Keywords: 856 ghz; effects 856; spatial memory; group ... See more keywords
Features of structure, magnetic state and electrodynamic performance of SrFe12−xInxO19
Sign Up to like & getrecommendations! Published in 2021 at "Scientific Reports"
DOI: 10.1038/s41598-021-97684-8
Abstract: Indium-substituted strontium hexaferrites were prepared by the conventional solid-phase reaction method. Neutron diffraction patterns were obtained at room temperature and analyzed using the Rietveld methods. A linear dependence of the unit cell parameters is found.… read more here.
Keywords: state; low frequencies; towards low; shifts towards ... See more keywords