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Uso de ressoadores de anéis fendidos e ressoadores de anéis fendidos complementares para o melhoramento do desempenho em filtros passa-baixa em microfita
(BrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICA E DE COMPUTAÇÃO, 2018-06-20)
This work presents microstrip lowpass filters with improved performance due to the
insertion of Split Ring Resonators (SRR) and Complementary Split Ring Resonators
(CSRR). The analysis cover three different lowpass filter ...
Utilização de ressonadores metamateriais na melhoria de desempenho de filtros planares
(Universidade Federal do Rio Grande do NorteBrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICA E DE COMPUTAÇÃO, 2019-12-26)
This work proposes the insertion of Complementary Split-Ring Resonators (CSRR)
in the planar filter ground. The intention is to improve some filter parameters found in
the literature that have practical application, ...
Sensores de micro-ondas para caracterização da permissividade: uma revisão sistemática da literaturaMicrowave sensors for electric permissivity characterization: a systematic literature review
(Universidade Federal do Rio Grande do NorteBrasilUFRNEngenharia ElétricaEngenharia Elétrica, 2023)
Análise de estruturas planares para aplicações em sistemas de sensoriamento
(Universidade Federal do Rio Grande do NorteBrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICA E DE COMPUTAÇÃO, 2020-12-23)
In this work, the analysis and development of planar structures are presented, for
sensing applications. The proposed sensors consist of: A log-periodic antenna modeled
using traditional methods, a bio-inspired antenna ...
M-protein gene-type distribution and hyaluronic acid capsule in group A Streptococcus clinical isolates in Chile: association of emm gene markers with csrR alleles
(CAMBRIDGE UNIV PRESS, 2012)
Streptococcus pyogenes causes a variety of infections because of virulence factors such as capsular hyaluronic acid and M protein. The aim of this study was to determine emm types and capsule phenotype in 110 isolates of ...
Contextual Spaces Re-Ranking: accelerating the Re-sort Ranked Lists step on heterogeneous systems
(2017-11-25)
Re-ranking algorithms have been proposed to improve the effectiveness of content-based image retrieval systems by exploiting contextual information encoded in distance measures and ranked lists. In this paper, we show how ...
Análisis de sensores electromagnéticos para la monitorización de concentraciones de metales pesados en agua
(Universidad Católica San PabloPE, 2020)
La regulación de los máximos niveles permisibles de concentraciones de los diferentes metales pesados en las cuencas hídricas, son en su mayoría, por las faltas y
sanciones de las empresas mineras en nuestro país, un ...
Electrically tunable evanescent mode half-mode substrate-integrated- waveguide resonators
(2012)
Electrically tunable evanescent mode half mode substrate integrated waveguide (HMSIW) resonators are implemented for S band applications. An HMSIW loaded with a complementary split ring resonator (CSRR) achieves forward ...