Articles de revista
Enviaments recents
-
Comparative efficiency and power assessment of optical photoconductive material-based terahertz sources for wireless communication systems
(2019-01-01)
Article
Accés restringit per política de l'editorialTerahertz band has recently attracted the attention of the communication society due to its huge bandwidth and very high-speed wireless communications capability. It has been utilized in a variety of disciplines including ... -
Unsupervised online clustering and detection algorithms using crowdsourced data for malaria diagnosis
(2019-02-01)
Article
Accés obertCrowdsourced data in science might be severely error-prone due to the inexperience of annotators participating in the project. In this work, we present a procedure to detect specific structures in an image given tags ... -
Technique for generating periodic structured light beams using birefringent elements
(2018-10-29)
Article
Accés obertWe put forward a simple, scalable and robust technique for generating periodically structured light beams with intensity patterns, e.g. of the form cos2n(kxx) cos2m(kyy), where kx and ky are real numbers that can be tailored ... -
Analyses of shallow convection over the amazon coastal region using satellite images, data observations and modeling Análise da Convecção Rasa sobre a Região Costeira Amazônica Usando Imagens de Satélite, Dados Observacionais e Modelagem
(Sociedade Brasileira de Meteorologia, 2018-04-01)
Article
Accés obertThe Belem region of the state of Para, which is located in northern of Brazil and part of the Amazon biome is characterized by high temperatures, strong convection, unstable air conditions and high humidity favoring the ... -
SDN-based parallel link discovery in optical transport networks
(Wiley-Blackwell, 2018-01-01)
Article
Accés obertThe use of optical technologies in modern network scenarios has increased in the last decade, mostly due to their support in crucial networking topics (ie, bandwidth and scalability). In parallel, these scenarios have also ... -
Simplified carrier recovery for intradyne optical PSK receivers in udWDM-PON
(Institute of Electrical and Electronics Engineers (IEEE), 2018-04-28)
Article
Accés obertWe present an optimized carrier recovery architecture based on differential detection for coherent optical receivers that substantially reduces the required DSP hardware resources, aimed at cost-effective transceivers for ... -
A compact dual-band planar monopole antenna using fractal rings and A Y-shaped feeding transmission line
(De Gruytr, 2018-01-01)
Article
Accés restringit per política de l'editorialThis paper presents a novel design approach of a compact dual-band monopole antenna with an overall size of 18.9x13x1.6mm3. The proposed antenna is composed of a fractal ring shaped patch fed by a Y-shaped transmission ... -
Inhibition of tunneling and edge state control in polariton topological insulators
(2018-12-01)
Article
Accés obertWe address the inhibition of tunneling in polariton condensates confined in a potential landscape created by a honeycomb array of microcavity pillars in the presence of spin- orbit coupling and Zeeman splitting in the ... -
Collective unambiguous positioning with high-order BOC signals
(2018-01-01)
Article
Accés obertThe unambiguous estimation of high-order BOC signals in harsh propagation conditions is still an open problem in the literature. This paper proposes to overcome the limitations observed in state-of-the-art unambiguous ... -
Modeling the two- and three-dimensional displacement field in Lorca, Spain, subsidence and the global implications
(Nature, 2018-12-01)
Article
Accés obertLand subsidence associated with overexploitation of aquifers is a hazard that commonly affects large areas worldwide. The Lorca area, located in southeast Spain, has undergone one of the highest subsidence rates in Europe ... -
The use of long-term features for GMM- and i-vector-based speaker diarization systems
(2018-09-26)
Article
Accés obertSeveral factors contribute to the performance of speaker diarization systems. For instance, the appropriate selection of speech features is one of the key aspects that affect speaker diarization systems. The other factors ... -
Tools for communicating agricultural drought over the Brazilian Semiarid using the soil moisture index
(2018-10-11)
Article
Accés obertSoil moisture over the Brazilian semiarid region is presented in different visualizations that highlight spatial, temporal and short-term agricultural risk. The analysis used the Soil Moisture Index (SMI), which is based ...
RSS 1.0