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In packet-based wireless communications, the first task of a receiver is to detect the presence of a signal in the air and to determine a timing reference about it. This task is often assisted by transmitting a known preamble sequence. The task has to be performed under several impairments such a...


En la actualidad existen industrias (petroquímicas, farmacéuticas) cuyos residuos líquidos contienen elevadas concentraciones de nitrógeno. Una alternativa altamente utilizada es la Remoción Biológica de Nitrógeno en Sequencing Batch Reactors. Esta técnica ofrece como ventajas alta eciencia de co...

Today discharge wastewater with high nitrogen concentrations prevails in the petrochemical, pharmaceutical, fertilizer, and food industries. A commonly used and economically viable alternative for the treatment of industrial and municipal wastewater is the biological nitrogen removal process (BNR...


Desde su origen, la inspección de imágenes de rayos X ha sido utilizada en la medi-cina, para detectar problemas internos en los seres humanos, sin embargo, hoy en día la inspección con rayos X tiene un sin fin de aplicaciones, de las cuales podemos destacar: el análisis de productos alimenticios...


Nowadays the use of renewable energies are increasing their popularity. Since the availability of these resources might be limited due to environmental factors, the use of an energy storage device as part of the system is something to consider. On electricity markets, the use of storage systems b...


En las investigaciones sobre el control autom atico, existe un gran esfuerzo enfocado en el tema del control optimo. En esta perspectiva, diversos m etodos determinan el controlador optimo, pero no garantizan que los polos de lazo cerrado est en en lugares pre-especi cados. Otros trabajos resue...


The nominal power of single Wind Energy Conversion Systems (WECSs) has been steadily growing, reaching power ratings close to 10 MW. In the power conversion stage, medium-voltage power converters are replacing the conventional low-voltage back-to-back topology. Modular Multilevel Converters have ...


This thesis describes the guidelines, experimental design, and initial results for stationary and dynamic aerodynamic assessments of vocal hyperfunction. This work aims to improve the understanding and clinical assessment of vocal hyperfunction by advancing current methods for the inverse filteri...


Current networking systems are highly homogeneous, consisting mainly of identical or very similar devices from a single vendor. This advantageous pattern from management, economic, and interoperability points of view jeopardizes the capacity of the network to face correlated attacks/failures that...

Los sistemas actuales de red son altamente homogéneos, principalmente formados por dispositivos idénticos o muy similares de un mismo vendedor. Este patrón, que resulta ventajoso desde un punto de vista económico, de administración e interoperabilidad pone en peligro la capacidad de la red para h...


The integration of large numbers of Distributed Energy Resources (DERs) into the distribution system could take place either by reinforcement of the existing network assets, or the incorporation of active management of flexible resources into different sections of the distribution network. For ac...


Agricultural production must double by 2050 in order to meet the expected food demand due to population growth. Within the technologies employed and developed to achieve this goal, research on development of intelligent automated or semi-automated mobile robots capable to navigate in agricultural...


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