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Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2021, Tutor: Dorian Treptow, Holographic light shaping has a myriad of applications. But the occurrence of coherent artifacts (speckle) hampers its use for the reconstruction of continuous laser intensity profiles, such as images. Therefore, the reduction of speckle in holographically reconstructed images is a very active research topic, and a vast number of approaches are currently investigated. In this work, several speckle reduction methods based on intensity averaging and iterative algorithms were implemented. Sim-ulations and experimental results were obtained and compared against regarding perceived image quality, speckle contrast and reconstruction speed. The results show that the investigated methods allow the reconstruction of precise and high quality images

[CATALÀ] Amb el present treball pretenc, simular un entorn industrial on es treballi amb diferents tecnologies actuals de l'àmbit de sistemes de la informació. Centrat en la gestió de dades destinades a Bussiness Intelligence, des de la integració dels sensors fins al tractament de dades a gran escala, mitjançant el software d'OSISoft PI. El desenvolupament del projecte consta de tres parts clarament definides. Inicialment es posa en context sobre el sector en el qual es treballa, amb la finalitat de poder veure el gran potencial que ofereix aquest projecte. Seguidament es fa un estudi de les diferents tecnologies de comunicació IoT sense fils de baix consum, els sensors encarregats de la captació de dades, els equips de processament i el software utilitzat. Per últim, es farà el desenvolupament complet del projecte utilitzant els dispositius i equips anteriorment esmentats, a partir dels quals, s'espera obtenir i tractar valors físics en temps real. Finalment, es pot dir que seria un projecte totalment aplicable a qualsevol classe d'indústria on es volguessin extreure dades d'humitat, temperatura i presència, i tindre un registre i control d'aquestes. [ANGLÈS] This project aims to simulate an industrial environment where it works with different actual technologies in the information systems field. Focused on the data management destined to Business Intelligence, from the sensors integration until large-scale data treatment, through the Osisoft Pi software. The development of this project consists of three parts, clearly defined. Initially, talk about the sector in which one works, in order to see the great potential that this project offers. Next, a study is made of the different low-consumption wireless IoT communication technologies, the sensors in charge of capturing data, the processing equipment and software used. Lastly, the complete development of the project will be done using the devices and equipment mentioned above, from which, it is expected to obtain and process physical values in real time. Finally, it can be said that it would be a project fully applicable to any type of industry where they wanted to extract data on humidity, temperature and presence, and have a record and control of these.

El presente proyecto consiste en el desarrollo de un proyecto ejecutivo de las instalaciones de una estación de servicio para vehículos de transporte ubicada en Barcelona, Catalunya, con el objetivo de dotar al espacio de las instalaciones siguientes: Instalaciones Mecánicas, instalación de Protección Contra Incendios, Instalación de Saneamiento, Instalación de Abastecimiento de Agua, Instalación Eléctrica e Instalaciones del edificio auxiliar (Climatización y Ventilación), Se estudian su ubicación, su implantación i la instalación de los servicios de que dispondrá y, además, se presentan las medidas correctoras del riesgo medioambiental y su presupuesto. La gasolinera dispondrá de los siguientes servicios: tres surtidores para el llenado de los vehículos, un túnel de lavado, dos boxes de lavado manual, zona de parking adaptada para aquellos viajeros los cuáles quieran pararse a comprar algún alimento u objeto en la tienda y unos lavabos de uso exclusivo para aquellos que sean clientes. El Proyecto consta de 4 partes: - Memoria descriptiva de cada instalación y anejos de cálculo - Pliego de condiciones - Presupuesto de las instalaciones - Planos y detalles de las instalaciones

Given the current expansion of cloud computing, the expected advent of the Internet of Things, and the requirements of future fifth‐generation network infrastructures, significantly larger pools of computational and storage resources will soon be required. This emphasizes the need for more scalable data centers that are capable of providing such an amount of resources in a cost‐effective way. A quick look into today's commercial data centers shows that they tend to rely on variations of well‐defined leaf‐spine/Clos data center network (DCN) topologies, offering low latency, ultrahigh bisectional bandwidth, and enhanced reliability against concurrent failures. However, DCNs are typically restricted by the use of the Transmission Control Protocol/Internet Protocol (TCP/IP) suite, thus suffering limited routing scalability. In this work, we study the benefits that replacing TCP/IP with the recursive internetwork architecture (RINA) can bring into commercial DCNs, focusing on forwarding and routing scalability. We quantitatively evaluate the benefits that RINA solutions can yield against those based on TCP/IP and highlight how, by deploying RINA, topological routing solutions can improve even more the efficiency of the network. To this goal, we propose a rule‐and‐exception forwarding policy tailored to the characteristics of several DCN variants, enabling fast forwarding decisions with merely neighbors' information. Upon failures, few exceptions are necessary, whose computation can also profit from the known topology. Extensive numerical results show that the proposed policy requirements depend mainly on the number of neighbors and concurrent failures in the DCN rather than its size, dramatically reducing the amount of forwarding and routing information stored at DCN nodes.