Departament de Física
Recent Submissions
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Neuronal encoding and transmission of weak periodic signals
(Universitat Politècnica de Catalunya, 2020-02-20)
Doctoral thesis
Open AccessSensory neurons use sequences of electrical pulses (known as action potentials or spikes) to encode and transmit information of external temporal stimuli. Neural coding is the research field that studies the relationship ... -
Machine learning methods for the characterization and classification of complex data
(Universitat Politècnica de Catalunya, 2020-02-11)
Doctoral thesis
Open AccessThis thesis work presents novel methods for the analysis and classification of medical images and, more generally, complex data. First, an unsupervised machine learning method is proposed to order anterior chamber OCT ... -
Development of a solid state amplifier for the 3rd harmonic cavity for ALBA synchrotron light source
(Universitat Politècnica de Catalunya, 2020-01-29)
Doctoral thesis
Open AccessIn Synchrotron Light Source facilities with high energy and low emittance electron beams different techniques for improving the quality of the synchrotron light for the users are applied. With this aim ALBA, the Spanish ... -
The future of free route in the European airspace : a study quantifying the cost-benefits and safety-cost of its implementation
(Universitat Politècnica de Catalunya, 2019-12-19)
Doctoral thesis
Open AccessFree-route airs pace perm its us ers to freely plan a route between defined entry and exit waypoints with the pos s ibility of routing 1.fa intermediate points. Flights flyíng in a free-route area remain subject to air ... -
Nuevas aproximaciones al estudio de la dinámica de la relajación dieléctrica en ferroeléctricos ordinarios y relajadores
(Universitat Politècnica de Catalunya, 2019-12-10)
Doctoral thesis
Open AccessFerroelectric materials are endowed with fascinating functional properties from the technological point of view. Consequently, they have promoted the design of ferroelectric-based devices with applications in a vast range ... -
Experimental study of speckle generated by semiconductor light sources: application in double pass imaging
(Universitat Politècnica de Catalunya, 2019-12-09)
Doctoral thesis
Open AccessWith the double pass (DP) technique it is possible to quantify the optical quality of a patient's eye by measuring its point spread function. Due to the low reflectivity of the retina a high-intensity, point-like illumination ... -
Ultracold Bose and Fermi dipolar gases : a quantum Monte Carlo study
(Universitat Politècnica de Catalunya, 2019-12-13)
Doctoral thesis
Open AccessThe object of study of this thesis are dipolar systems in the quantum degenerate regime. In general, dealing with many-body systems and evaluating their properties requires to deal with the the Schrödinger equation. In the ... -
An integrated framework for trajectory optimisation, prediction and parameter estimation for advanced aircraft separation concepts
(Universitat Politècnica de Catalunya, 2019-11-25)
Doctoral thesis
Open AccessSince the birth of commercial aviation, the applications and benefits of aircraft have grown immensely. This, in perfect synchrony with the average increase of purchasing power of the society, has rocketed the number of ... -
Ubiquitous supercomputing : design and development of enabling technologies for multi-robot systems rethinking supercomputing
(Universitat Politècnica de Catalunya, 2019-10-25)
Doctoral thesis
Open AccessSupercomputing, also known as High Performance Computing (HPC), is almost everywhere (ubiquitous), from the small widget in your phone telling you that today will be a sunny day, up to the next great contribution to the ... -
Development of the new AINA code and its application to the Safety Analysis of the European DEMO designs
(Universitat Politècnica de Catalunya, 2019-07-22)
Doctoral thesis
Open AccessA conclusion that can be drawn from the historical safety analyses developed for tokamaks fusion reactors is that some of the major risks involve incidents in the vacuum vessel. In order to evaluate plasma evolution and ... -
Flow and heat transfer of impinging synthetic jets
(Universitat Politècnica de Catalunya, 2019-06-19)
Doctoral thesis
Open AccessSynthetic jets are produced by the oscillatory movement of a membrane inside a cavity, causing fluid to enter and leave through a small orifice. This results in a net jet that is able to transfer kinetic energy and momentum ... -
Decolourization of textile wastewater by manganese-aluminium metallic particles
(Universitat Politècnica de Catalunya, 2019-07-10)
Doctoral thesis
Open AccessWaste treatment is an important aspect of an industry. Organic dyes are used in many fields, such as textile, paper or food. Residual dye compounds from these industries are one of the most critical sources of environmental ...
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