Departament de Teoria del Senyal i Comunicacions
Enviaments recents
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Deep learning for i-vector speaker and language recognition
(Universitat Politècnica de Catalunya, 2018-05-29)
Tesi
Accés obertOver the last few years, i-vectors have been the state-of-the-art technique in speaker and language recognition. Recent advances in Deep Learning (DL) technology have improved the quality of i-vectors but the DL techniques ... -
Investigation of continuous-wave range-resolved lidar systems for gas detection and concentration measurement
(Universitat Politècnica de Catalunya, 2011-07-27)
Tesi
Accés obertThe techniques for detection of the atmosphere constituents and their distribution in the space have evolved in the last years driven by needs in the environmental, meteorological and climate science fields and backed by ... -
Design and stochastic analysis of emerging large-scale wireless-powered sensor networks
(Universitat Politècnica de Catalunya, 2017-11-13)
Tesi
Accés obertUndeniably, the progress in wireless networks during the last two decades is extraordinary. However, the ever-increasing upward trend in the numbers of wireless devices that will overwhelm every field of our everyday life, ... -
Contribution to ground-based and UAV SAR systems for Earth observation
(Universitat Politècnica de Catalunya, 2017-11-17)
Tesi
Accés obertMankind's way of life is the main driver of a planetary-scale change that is marked by the growing of human population's demand of energy, food, goods, services and information. As a result, it have emerged new ecological, ... -
Contribution to advanced sensor development for passive imaging of the Earth
(Universitat Politècnica de Catalunya, 2017-11-20)
Tesi
Accés obertThis work has been formally undertaken within the frame of the scholarship number BES-2012-053917 of 1 December 2012, by the "Secretario de Estado de Investigación del Ministerio de Economía y Competitividad" related to ... -
Redes de acceso UDWDM operadas con láseres aleatorios de sintonía limitada
(Universitat Politècnica de Catalunya, 2017-10-25)
Tesi
Accés obertA new passive optical network (PON) for access, making use of ultra-dense wavelength division multiplexing (UDWDM) by densely spacing channels by a few gigahertz and introducing the "wavelength-to-the-user" concept, is ... -
Discriminative features for GMM and i-vector based speaker diarization
(Universitat Politècnica de Catalunya, 2017-09-20)
Tesi
Accés obertSpeaker diarization has received several research attentions over the last decade. Among the different domains of speaker diarization, diarization in meeting domain is the most challenging one. It usually contains spontaneous ... -
Unsupervised learning for expressive speech synthesis
(Universitat Politècnica de Catalunya, 2017-09-12)
Tesi
Accés obertNowadays, especially with the upswing of neural networks, speech synthesis is almost totally data driven. The goal of this thesis is to provide methods for automatic and unsupervised learning from data for expressive speech ... -
Multivariate approach-based system for the automated interpretation of spectra : application to pigments identification through Raman spectroscopy in art analysis
(Universitat Politècnica de Catalunya, 2017-09-29)
Tesi
Accés obertThe application of spectroscopic techniques is crucial for art historians and conservators who require knowledge of materials used in works of art (pigments, dyes, binders, additives, ...) in particular instances. In this ... -
Reconfigurable high efficiency class-F power amplifier using CMOS-MEMS technology
(Universitat Politècnica de Catalunya, 2017-09-08)
Tesi
Accés obertThe increasing demand for wireless products to be part of our daily lives brings the need for longer battery lifetime, smaller size and lower cost. To increase battery lifetime, high efficiency power amplifiers (PAs) are ... -
Aplicaciones avanzadas del principio superregenerativo a comunicaciones por radiofrecuencia
(Universitat Politècnica de Catalunya, 2017-07-18)
Tesi
Accés obertThere exists today an increasing demand for wireless devices which require low cost and minimum power consumption radiofrequency front-ends. Precisely, these are two remarkable characteristics of the superregenerative ... -
Estimation and control in energy harvesting wireless communication networks
(Universitat Politècnica de Catalunya, 2017-07-25)
Tesi
Accés obertLong thought to be an unattainable ambition, self-sustainable and green-powered wireless networks are rapidly becoming a reality. This is driven by recent hardware improvements in what is known as Energy Harvesting (EH). ...
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