Specification, estimation and monitoring of quality-related software strategic indicators in agile software development 

    Manzano Aguilar, Martí (Fecha de defensa: 2023-06-08)

    (English) In line with the current trend of exploiting corporative data, software companies, especially those using Agile and Rapid software development, are challenged to improve the quality of their products, their ...

    Spectral analysis of executions of computer programs and its applications on performance analysis 

    Casas Guix, Marc (Fecha de defensa: 2010-03-09)

    This work is motivated by the growing intricacy of high performance computing infrastructures. For example, supercomputer MareNostrum (installed in 2005 at BSC) has 10240 processors and currently there are machines with ...

    Spectral control methods and applications for multi-channel LED light engines 

    Llenas Farràs, Aleix (Fecha de defensa: 2019-12-04)

    Lighting installations are usually static and based on long-standing visual indicators such as colour temperature, colour rendering, and illuminance values. However, we now know that spectral variations in light elicit ...

    Spectral evidence for a condensate of dark excitons in a trap 

    Beian, Mussie (Fecha de defensa: 2016-06-22)

    Spatially indirect excitons, being composite bosons, are attractive candidates to explore correlated many-body systems. They possess an inherent large electric dipole, a four-fold spin manifold, and can be studied via the ...

    Spectral phase control of nanoscale nonlinear optical responses 

    Remesh, Vikas (Fecha de defensa: 2020-06-08)

    The study of light-driven physical processes generated in nanomaterials require shorter (in time, or broader in frequency) laser pulses with techniques to tailor its phase and temporal/spectral characteristics at the ...

    Spectral response of individual molecules and nanoantennas with two-beam excitation 

    Gellings, Esther (Fecha de defensa: 2020-02-21)

    At room temperature, individual molecules can be found in different conformations due to intrinsic and extrinsic factors which are reflected in spectral variability. When detecting single molecules, the ensemble average ...

    Spectrum usage models for the analysis, design and simulation of cognitive radio networks 

    López Benítez, Miguel (Fecha de defensa: 2011-07-20)

    The owned spectrum allocation policy, in use since the early days of modern radio communications, has been proven to effectively control interference among radio communication systems. However, the overwhelming proliferation ...

    Speculation – postponement strategies in supply chain network design problems: a modelling framework for new supply chain strategies through stochastic optimization 

    Ramón Lumbierres, Daniel Jacobo (Fecha de defensa: 2024-01-23)

    (English) Speculation and Postponement are opposite supply chain strategies intended to either advance or postpone the necessary production processes to transform raw materials into finished goods. A Customer Order ...

    Speculative multithreaded processors 

    Marcuello Pascual, Pedro (Fecha de defensa: 2003-07-22)

    En esta tesis se estudia el modelo de ejecución de los procesadores multithreaded especulativos así como los requisitos necesarios para su implementación. El modelo de ejecución se basa en la inserción de instrucciones de ...

    Speculative Vectorization for Superscalar Processors 

    Pajuelo González, Manuel A. (Manuel Alejandro) (Fecha de defensa: 2005-11-24)

    Traditional vector architectures have been shown to be very effective in executing regular codes in which the compiler can detect data-level parallelism, i.e. repeating the same computation over different elements in the ...

    Spinor Bose-Einstein comagnetometer and interhyperfine interactions in 87Rb 

    Gómez Kabelka, Pau (Fecha de defensa: 2021-09-28)

    In this work we demonstrate the first realization of a comagnetormeter in the ultracold regime. In comparison to regular magnetometers, which are designed to maximize their magnetic field sensitivity, a comagnetometer uses ...

    Spontaneous parametric down-conversion sources for generation of atom-resonant quantum light 

    Zielińska, Joanna Ada (Fecha de defensa: 2018-03-19)

    This thesis studies different designs of optical parametric oscillators as sources of atom-resonant quantum light resonant with the rubidium D1 line.We analyze the mode structure and filtering techniques in a conventional ...

    Sports broadcasting and multiple object tracking with deep learning methods 

    Girbau Xalabarder, Andreu (Fecha de defensa: 2021-03-17)

    Since less than a decade ago, deep learning techniques started to dominate many different fields, revolutionizing the possibilities of artificial intelligence. Seeing their potential, industrial sectors started to invest ...

    Squeezed-ligh-enhanced magnetometry in a high density atomic vapor 

    Troullinou, Charikleia (Fecha de defensa: 2022-09-29)

    (English) This thesis describes experiments that employ squeezed light to improve the performance of a sensitive optically-pumped magnetometer (OPM). The squeezed light source employs parametric amplification of vacuum ...

    SSCG methods of EMI emissions reduction applied to switching power converters 

    Santolaria Lorenzo, José Alfonso (Fecha de defensa: 2004-07-01)

    Many methods for EMI suppression have been developed in the last fifty years, most of them, showing a hardly change in its implementation. Traditional tools for EMI suppression are related to the use of filters, shielding ...

    Stability analysis of modern power systems 

    Collados Rodríguez, Carlos (Fecha de defensa: 2024-03-04)

    (English) The massive installation of converter-based resources, such as wind and solar photovoltaic power plants and High Voltage Direct Current (HVDC) systems, is resulting in a profound transformation of power systems ...

    Stability and folding of G-protein coupled receptors associated to degenerative diseases 

    Dong, Xiaoyun (Fecha de defensa: 2016-05-25)

    G-protein coupled receptors (GPCRs) are the largest membrane protein superfamily encoded by the human genome and represent the largest class of drug targets for a wide range of pathological conditions. Two GPCRs members, ...

    Stability and ligand binding properties of human cone visual pigments 

    Srinivasan, Sundaramoorthy (Fecha de defensa: 2015-10-02)

    Human color perception is mediated by cone photoreceptor cells which mainly locate on the fovea of the eye. Bright light activates the photosensitive opsin pigments which are embedded in the outer segment membrane discs ...

    Stabilized finite element approximation of the incompressible MHD equations 

    Hernández Silva, Noel (Fecha de defensa: 2010-07-12)

    No es frecuente encontrar un campo donde dos ramas principales de la Física estén involucradas. La Magnetohidrodinámica es uno de tales campos debido a que involucra a la Mecánica de Fluidos y al Electromagnetismo. Aun ...

    Stabilized finite element formulations for solving incompressible magnetohydrodynamics 

    Planas Badenas, Ramon (Fecha de defensa: 2013-11-25)

    Magnetohydrodynamics (MHD) is the physics branch that studies electrically conducting fluids under external magnetic fields. This thesis deals with the numerical approximation using stabilized finite element methods of two ...