Pedro Silva Girao

TL;DR: In this article, the authors describe and compare method of heart rate estimation from cardiac signal acquired with EMFIT, FMCW Doppler radar and Finapres based technology, in the same context, and briefly investigated their similarities and differences.

TL;DR: Heart Rate Variability and Blood Pressure Variability were analyzed before the onset of cardiac arrhythmia in order to derive markers for short-term forecasting and suggest that important information about both neuronal cardiovascular control and risk for spontaneous arrHythmia can be provided by combined analysis of frequency, phase, and time-frequency analysis of blood pressure and cardiac oscillation.

TL;DR: A virtual conductivity sensor based on a water tide level and a dissolved oxygen sensors is presented, and a particular attention is devoted to explore the correlations that exist between different water quality parameters, such as, conductivity and dissolved oxygen, and others waters' variables.

TL;DR: A measurement system that includes several measuring nodes to acquire vibration data from a set of locations of an industrial piping system and artificial neural networks are proposed to classify vibration patterns associated with the data collected from the distributed measurement network.

TL;DR: This paper dedicates a particular attention to pulse-width modulation (PWM) analog-to-digital ( A/D) conversion techniques underlining their importance in smart sensing systems and includes some simulation results obtained with MATLAB.