Now showing items 4120-4139 of 5494
Torre Sangrà, David de la (Date of defense: 2020-07-28)
Interplanetary travel is a difficult task due to the high fuel mass required to reach other planets. Minimizing the cost of the manoeuvres (and, in turn, the fuel mass) is the objective preliminary mission design. During ...
Moragrega Estrany, Anna (Date of defense: 2016-02-04)
In Wireless Sensor Networks (WSN), the ability of sensor nodes to know its position is an enabler for a wide variety of applications for monitoring, control, and automation. Often, sensor data is meaningful only if its ...
Morros Rubió, Josep Ramon (Date of defense: 2004-12-23)
En aquest treball s'estudia el problema de la compressió de video utilitzant funcionalitats basades en el contingut en el marc teòric dels sistemes de codificació de seqüències de video basats en regions. Es tracten ...
Terán Cobo, Pablo (Date of defense: 2018-06-25)
This Thesis addresses common operational issues related to maritime container terminals. In the last decades, containerization of maritime transportation has grown very rapidly, forcing terminal operators to cope with ...
Coma Company, Martí (Date of defense: 2022-07-26)
Algorithms (EA) are useful optimization methods for exploration of the search space, but they usually have slowness problems to exploit and converge to the minimum with accuracy. On the other hand, gradient based methods ...
Yu, Xiangwei (Date of defense: 2021-07-07)
This Thesis work addresses the challenge of designing hydrogen peroxide (H2O2) dosage Strategies for improving Fenton and photo-Fenton applications. The determination of the H2O2 dosage scheme that minimizes hydrogen ...
Alvanos, Michail (Date of defense: 2013-12-10)
Partitioned Global Address Space (PGAS) languages promise to deliver improved programmer productivity and good performance in large-scale parallel machines. However, adequate performance for applications that rely on ...
Ayenew, Tadege Mihretu (Date of defense: 2023-11-21)
(English) Handling the tsunami of multimedia content is a big challenge for heterogeneous cellular networks. Serving large volumes of content from the central system to end-users, through a bandwidth-limited network, at ...
Viamonte Solé, David (Date of defense: 2019-06-16)
Signaling in Next Generation IP-based networks heavily relies in the family of multimedia signaling protocols defined by IETF. Two of these signaling protocols are RTSP and SIP, which are text-based, client-server, ...
Farreras Esclusa, Montse (Date of defense: 2008-12-12)
Since the invention of the transistor, clock frequency increase was the primary method of improving computing performance. As the reach of Moore's law came to an end, however, technology driven performance gains became ...
Kumar, Rakesh (Date of defense: 2014-07-24)
SIMD accelerators are ubiquitous in microprocessors from different computing domains. Their high compute power and hardware simplicity improve overall performance in an energy efficient manner. Moreover, their replicated ...
Salamí San Juan, Esther (Date of defense: 2007-06-01)
The growing interest that multimedia processing has experimented during the last decade is motivating processor designers to reconsider which execution paradigms are the most appropriate for general-purpose processors. On ...
Skorobogatov, Georgy (Date of defense: 2023-10-27)
(English) With the advance of UAV-related technology using several drones in the context of a single mission becomes more and more common. New problems and challenges appear as a result. When analyzing research works ...
Tapia Tlatelpa, Tecilli (Date of defense: 2019-10-03)
Water pollution is an alarming problem that endangers the health of all living beings. The textile industry is listed as one of the most contaminating industries, since in order to carry out its dyeing and finishing ...
Tepsic, Slaven (Date of defense: 2021-07-07)
Mechanical resonators based on low dimensional materials have attracted a lot of attention due to their remarkable properties. Their ultra-low mass and high Q factors make them exceptional sensors, offering new possibilities ...
Morell Bennasser, Nicolás (Date of defense: 2018-12-17)
Suspended monolayer transition metal dichalcogenides (TMD) aremembranes that combine ultralow mass and exceptional optical prop-erties, making them intriguing materials for opto-mechanical applica-tions. However, the low ...
García Estévez, Carolina Beatriz (Date of defense: 2012-04-20)
Desde la crisis que experimentó la cultura europea a finales del siglo XIX en el lenguaje de las artes, las correspondencias entre arquitectura y literatura que se formulan alrededor del estudio micro histórico de la ...
Monells Miralles, Daniel (Date of defense: 2017-01-18)
Space-borne Synthetic Aperture Radar (SAR) systems have demonstrated great effectiveness to survey wide areas, independently of the weather conditions and the day/night cycle. One of the most exploited applications is ...
Asensio Garcia, Adrian (Date of defense: 2016-06-10)
In the Internet of services, information technology (IT) infrastructure providers play a critical role in making the services accessible to end-users. IT infrastructure providers host platforms and services in their ...
Pérez Rico, Juan Luis (Date of defense: 2018-11-26)
In recent years there has been an extraordinary growth of the Internet of Things (IoT) and its protocols. The increasing diffusion of electronic devices with identification, computing and communication capabilities is ...