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Now showing items 11-17 of 17
Algoritimo de detecção de retinopatia diabética baseado em aprendizado de máquina
(Universidade Federal de São Carlos, 2023-04-06)
In this study, the application of neural network and machine learning techniques was explored in order to identify the presence of lesions related to diabetic retinopathy (DR) in fundus images. DR is a frequent complication ...
Projeto e avaliação de desempenho de um amplificador de áudio sem realimentação negativa global utilizando transistores bipolares de junção
(Universidade Federal de São Carlos, 2023-09-01)
This work proposes the development of an audio amplifier without global feedback using bipolar transistors of junction. It will be used as the basis of the article “A design methodology for audio amplifiers without global ...
Revisão bibliográfica: erros causados por raios cósmicos em dispositivos eletrônicos
(Universidade Federal de São Carlos, 2023-10-27)
Cosmic rays, coming from outer space, can penetrate eletronic devices in order to change several characteristics such as functioning, performance and useful life. These particles are composed of an atomic nuclei, made up ...
Identificação de escritor por transformada SIFT e SVM-Linear na língua portuguesa
(Universidade Federal de São Carlos, 2024-02-16)
This work investigates the feasibility of the SIFT Transform (Scale-Invariant Feature Transform) and the SVM-Linear algorithm (Support Vector Machine-Linear) for identifying authors in texts in portuguese. The research ...
IoT para monitoramento em tempo real da ocupação em locais essenciais para facilitar a tomada de decisões
(Universidade Federal de São Carlos, 2024-02-07)
The Internet of Things (IoT) can play an essential role in helping to face the challenges of capacity and high demand in essential service locations (bank branches, postal logistics spaces, lottery shops, public offices, ...
Projeto, montagem e teste de um subwoofer ativo
(Universidade Federal de São Carlos, 2023-04-14)
The present work describes in detail the development and construction of an active bass reproduction system "subwoofer". For this, it uses a TPA3255 integrated circuit. This class D amplifier has two outputs that are applied ...
Desenvolvimento de um amplificador de áudio de alto desempenho utilizando realimentação negativa global
(Universidade Federal de São Carlos, 2023-04-14)
This paper proposes the development of a high-performance audio amplifier with global feedback. The proposed topology is based on "A design methodology for audio amplifiers with no global negative feedback: proposal and ...