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Publications (21)
Este artigo relata o emprego de um projeto de extensão voltado para o ensino de programação e eletrônica, baseado em oficinas de robótica. A principal ferramenta utilizada foi o Arduino Uno, que permitiu o controle de dispositivos eletrônicos mediante sua programação. No final da oficina, os alunos apresentaram, como produtos, seus projetos desenvo...
Monitoring lightning occurrences is extremely important due to the potential negative impacts this phenomenon can cause to human and animal life, civil aviation, and electrical power and telecommunication systems. In this regard, this work presents the LightningBR a web tool developed for analysis and visualization of cloud-to-ground and intra-clou...
This work presents the development of an application designed to detect and classify the ripeness index of olives using YOLOv8. The main objective is to provide a practical and accessible solution for olive growers and researchers, facilitating analysis and decision-making related to olive harvesting and cultivation. The application employs image p...
UAV-based MEC (MEC-UAV) is a solution that provides computing resources close to users in 5G networks when ground-based infrastructure is not available, enabling computation offloading services. However, since the UAV is a battery-powered device, both the application (e.g., latency) and the UAV's energy consumption are impacted by computational and...
Modeling for rainfall forecasting is widely used in climate forecasting. A high volume of precipitation or scarcity brings serious problems for society. Thus, a methodology for monthly rainfall forecast is presented using Group Method of Data Handling (GMDH) and sea surface temperature (SST). The intelligent model gets the mean monthly SST, in pred...
Lightning electric field (E-field) waveforms are widely used in understanding the physical processes that take place during different lightning events and for improving engineering return-stroke models that helps the design of better lightning protection systems. The Lightning Detection and Waveform Storage System (LDWSS) is a low cost system that...
Lightning represent a potential threat to various society activities, such as damage to telecommunication systems and to electric power distribution, as well as injury or death of humans beings. Predicting the occurrence of lightning can help in making decisions about the actions that must be taken to minimize the risks of this natural phenomenon....
Aging in Brazil, especially in the Amazon, is a complex and irregular process. Something is happening here that cannot be explained simply due to social inequalities. The objective of this study was to present the development of an artificial neural network and the stages of training, validation and testing for the classification of healthy aging a...
Atmospheric discharges offer great risks to the population and activities that involve different systems such as telecommunications, energy distribution and transportation. Lightning prediction can contribute to minimize the risks of this natural phenomenon. Therefore the present paper presents a model for lightning prediction based on satellite at...
The Cognitive Radio (CR) technology aims at improving the spectral efficiency through the opportunistic access to the electromagnetic spectrum. The CR enables secondary users, which utilize unlicensed bands (e.g., 2.4GHz WiFi) to occupy licensed band (e.g., TV bands) without causing interference to the primary users. To this end, the efficient spec...