Universitat Politècnica de Catalunya
Now showing items 41-60 of 209
La recerca duta a terme en aquesta tesi doctoral ha tingut com a principal objectiu millorar els sistemes de test i de caracterització de la resposta òptica dels díodes làser. La recerca s'ha orientat en l'estudi de la ...
L'acoblament de soroll a través del substrat en circuits integrats mixtos és un important problema que sovint limita les prestacions de la circuiteria analògica. Les característiques d'aquest tipus d'acoblament i els factors ...
Learning specific knowledge and developing cross-curricular competencies under the new frame of the European Higher Education Area (EHEA), is a problem not yet solved by teaching practices based on traditional instructional ...
La caracterización eléctrica del tejido biológico adquiere mayor relevancia cada día. En este proceso, la determinación de la conductividad y permitividad eléctrica del tejido biológico aumenta en importancia en el área ...
El objetivo principal de esta Tesis se centra en la mejora de la resolución axial de los sistemas de ultrasonidos basados en la medida del tiempo de vuelo y/o la recepción de ecos, utilizando soluciones de bajo coste. Se ...
El objetivo de la tesis es el desarrollo de métodos para el análisis tanto in vivo como in vitro de la composición y estructura de los tejidos biológicos mediante técnicas basadas en la medida a distintas frecuencias de ...
This Thesis has been developed in the research group TIEG (Terrassa Industrial Electronics Group). It is focused on the reduction of conducted electromagnetic interferences (EMI) generated by switched power converters. ...
Este trabajo presenta un estudio del convertidor Boost Bidireccional con filtro de salida, abordando los aspectos de modelación y control. Se presenta un modelo de pequeña señal que permite separar los polos del convertidor ...
This thesis is focused on the conducted electromagnetic Interference generated at Integrated Circuit (IC) Level. Recently, several electrical models have been proposed in order to describe EMI at IC level, but they have ...
El objetivo principal de la tesis es el análisis y la reducción del ruido en la electrocardiografía de alta resolución con el propósito de mejorar la detección de los potenciales ventriculares tardíos. La hipótesis es que ...
The thermal anemometry is a method which allows to estimate wind magnitude be the mean of measuring heat transfer to the ambient in a forced convection process. For Earth's atmosphere condition, this method is typically ...
The interest on microfluidic systems based on electrowetting-on-dielectric (EWOD) and the miniaturization of such integrated devices, has increased significantly mainly due to the advent of mass market applications such ...
Networks-on-Chip (NoC) is an emerging on-chip interconnection centric platform that influences the modern high speed communication infrastructure to improve on-chip communication challenges in the recent many core ...
This thesis deals with the further development of an existing underwater vehicle for autonomous navigation. The vehicle was conceived to navigate over the sea surface and, at certain fixed points, to dive vertically in ...
Sleep monitoring is of major importance for various medical areas such as the detection and treatment of sleep disorders, assessment of different medical conditions or medications' effects over sleep quality, and mortality ...
Due to the growing popularity of video-based methods for physiological signal measurement, and taking into account the technological advancements of these type of devices, this work proposes a series of new novel methods ...
Electromechanical drives have traditionally found their field of application in the industrial sector. However, the use of such systems is spreading to other sectors within the field of transport, such as the automotive ...
Ensuring reliability and robustness of operation is one of the main concerns in industrial anufacturing processes , dueto the ever-increasing demand for improvements over the cost and quality ofthe processes outcome. In ...
The demand of wind energy has considerably increased during the last decades. In order to fulfil this great energy demand, wind energy conversion systems (WECS) are designed to manage higher power ratings. Currently, the ...
