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Sistema Integrado para Análise e Classificação Automática do Electroencefalogra...
Osvaldo Pacheco; Francisco VazIn this paper we describe a system for automatic all night analysis of sleep, based on neural networks. The system consists of a three step analysis. The first step is the recognition of elementary patterns in EEG (delta, alpha,spindle and K complex waves), EOG and EMG, and spectral analysis for background activity. The second step is the determination of sleep stages based on these par...
Unidade Remota de Telegestão e Controlo da Qualidade da Água
Isabel Veiga; Pedro Claro; Osvaldo Pacheco; Ernesto MartinsToday, public health issues and environment concerns place tight quality control requirements on the water used for human consumption. These can only be met by monitoring networks, and a careful control of the captation, storage and distribution systems.This paper presents the architecture of a remote unit thatworks both as a water quality monitoring system and as aremote management terminal.The remote unit acq...
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