López Riera, Alexis (Date of defense: 2017-07-18)
There 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 ...
Wolf, Martin (Date of defense: 2013-11-11)
If speech is acquired by a close-talking microphone in a controlled and noise-free environment, current state-of-the-art recognition systems often show an acceptable error rate. The use of close-talking ...
Gregori Casas, Maria (Date of defense: 2014-07-24)
Over the last few decades, transistor miniaturization has enabled a tremendous increase in the processing capability of commercial electronic devices, which, combined with the reduction of production ...
Pastore, Adriano (Date of defense: 2014-07-26)
The present thesis studies information rates for reliable transmission of information over fading channels in the realistic situation where the receiver has only imperfect channel-state knowledge. Of ...
Hu, Zhongbo (Date of defense: 2019-12-19)
lnSAR has been proved its unprecedented ability and merits of monitoring ground deformation on large scale with centimeter to millimeter scale accuracy. However, several factors affect the reliability ...
Yam Ontiveros, Luis Eduardo (Date of defense: 2016-09-21)
Over the last decades, environmental and socio-economic factors have generated interest on the observation of the ocean. Thus, the monitoring of maritime human activity has become crucial for the ...
Schulz, Henrik (Date of defense: 2017-03-02)
The transcription of spontaneous speech still poses a challenge to state-of-the-art methods for automatic speech recognition. The present thesis describes the comprehensive development of a large ...
Ghahabi Esfahani, Omid (Date of defense: 2018-05-29)
Over 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 ...
Devanthéry Arasa, Núria (Date of defense: 2014-10-31)
Persistent Scatterer Interferometry (PSI) is a group of advanced differential interferometric SAR techniques that are used to measure and monitor terrain deformation. Different PSI techniques have been ...
Martín González, Laura (Date of defense: 2019-04-30)
The dynamic behavior of the traffic demand, due to the advent of technologies such as cloud services or Internet of Things (IoT), is increasing. In fact, heterogeneous connections with different ...