Now showing items 1-20 of 50

  • 2D Liquid Lens Based on EWOD 

    Ahmadi Zeidabadi, Maziar (Universitat Politècnica de Catalunya, 2012-09-10)
    Master thesis
    Open Access
    [ANGLÈS] This thesis presents the fabrication, development and characteristics of a liquid lens based on electrowetting. Essentially, when the lens is in liquid form, both its position and its curvature can be reversibly ...
  • Advanced Methods for the Measurement of Chromatic Dispersion at Optical Frequencies 

    Sarabia Díaz, Eugenia Teresa (Universitat Politècnica de Catalunya, 2015-02-16)
    Master thesis
    Open Access
    Currently, most networks are hybrid, combining fiber with copper wire, but the goal is for them to be completely of fiber. Like any other transmission medium, using fiber has some drawbacks, being chromatic dispersion one ...
  • Algorithm 942: Semi-Stencil 

    de la Cruz, Raúl; Araya-Polo, Mauricio (ACM Digital Library, 2014-04-01)
    Article
    Open Access
    Finite Difference (FD) is a widely used method to solve Partial Differential Equations (PDE). PDEs are the core of many simulations in different scientific fields, such as geophysics, astrophysics, etc. The typical FD ...
  • A methodology for measuring the impact on flight inefficiency of future RPAS operations 

    Pérez Batlle, Marcos; Tadeo, Carlos; Pastor Llorens, Enric (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Restricted access - publisher's policy
    This paper presents a simple methodology for measuring the impact on flight inefficiency of future Remotely-Piloted Aircraft Systems (RPAS) operations. State-of-the-art inefficiency metrics have been selected and adapted ...
  • Analysing the impact of a proposed generic quality management of measurement process 

    Galvis Bayer, Hernan (Universitat Politècnica de Catalunya / Cranfield University, 2011)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    This thesis analyses the effectiveness of the current process structure across the main Rolls-Royce measurement capability groups, namely: Manufacturing, Material and Chemical Evaluation, Testing, and Sensing for Control ...
  • Analysis and reduction of the distortions induced by time-domain filtering techniques in network analyzers 

    Porrata-Dòria i Yagüe, Ramir de; Broquetas Ibars, Antoni; Martínez, Luís Fernando (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1998-08-31)
    Article
    Open Access
    The removal of isolation errors plays an essential role in the calibration process of radar scattering measurements. One of the most common techniques used for that purpose is time-domain filtering, also known as gating. ...
  • A passive available bandwidth estimation methodology 

    Cabellos Aparicio, Alberto; Thompson, John; García, Francisco J.; Domingo Pascual, Jordi (2009-11-30)
    External research report
    Open Access
    The Available Bandwidth (AB) of an end-to-end path is its remaining capacity and it is an important metric for several applications such as overlay routing and P2P networking. That is why many AB estimation tools have been ...
  • Applying remote sensing and GIS on monitoring and measuring urban sprawl. A case study of China 

    Feng, Li (UPC. Cátedra Unesco de Sostenibilidad, 2009-12)
    Article
    Open Access
    The understanding on urban sprawl in China still rest on qualitative discussion instead of quantitative analysis. There is no clear answer to identify and evaluate the extent of sprawl. The existing methods for measuring ...
  • Automatic generation of workload profiles using unsupervised learning pipelines 

    Buchaca Prats, David; Bernal García, Josep Lluis; Carrera Pérez, David (2017-12-27)
    Article
    Open Access
    The complexity of resource usage and power consumption on cloud-based applications makes the understanding of application behavior through expert examination difficult. The difficulty increases when applications are seen ...
  • Automating the application data placement in hybrid memory systems 

    Servat, Harald; Peña, Antonio J.; Llort, German; Mercadal, Estanislao; Hoppe, Hans-Christian; Labarta Mancho, Jesús José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Open Access
    Multi-tiered memory systems, such as those based on Intel® Xeon Phi™processors, are equipped with several memory tiers with different characteristics including, among others, capacity, access latency, bandwidth, energy ...
  • Calibration of an optical probe 

    Rodríguez Maiztegui, Maitane (Universitat Politècnica de Catalunya / Institut National Polytechnique de Grenoble, 2009)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    The aim of the experiment is to calibrate a monofiber optical probe, used in two phase gas-liquid flow, to a speed of 40 m/s. To measure the bubble velocity, the optical probe requires calibration. This procedure consists ...
  • Client-side routing-agnostic gateway selection for heterogeneous wireless mesh networks 

    Dimogerontakis, Emmanouil; Neto, João; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Veiga, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Restricted access - publisher's policy
    Citizens develop Wireless Mesh Networks (WMN) in many areas as an alternative or their only way for local interconnection and access to the Internet. This access is often achieved through the use of several shared web proxy ...
  • La construcción del territorio: miradas, mediciones, dibujos en la historia de Buenos Aires 

    Favelukes, Graciela (RIURB Editores, 2014-07)
    Article
    Open Access
    ¿Qué rol jugaron las imágenes y los gráficos en la historia de la ciudad? ¿Qué relaciones podemos encontrar entre la forma de la ciudad y los gráficos que intentaron dar cuenta de ella? Este trabajo presenta algunos ...
  • Data Validation and reconstruction for performance enhancement and maintenance of water networks 

    Quevedo Casín, Joseba Jokin; Pascual Pañach, Josep; Espin, Santiago; Roquet, Jaume (2016-01-01)
    Article
    Open Access
    In a real water network, a telecontrol system must periodically acquire, store and validate data gathered by sensor measurements in order to achieve accurate monitoring of the whole network in real time. For each sensor ...
  • Dealing with speckle effects in self-mixing interferometry measurements 

    Atashkhooei, Reza; Royo Royo, Santiago; Azcona Guerrero, Francisco Javier (2013-05)
    Article
    Restricted access - publisher's policy
  • Diseño y construcción de una antena cuadrifilar helicoidal para recepción de imágenes transmitidas por satélites de órbita polar 

    Vera Navides, Bruce Jhonnathan (Universitat Politècnica de Catalunya, 2012-02)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] This project aims to design and implementation of a quadrifilar helical antenna to optimize the performance of a receiving station. When we refer to optimizing, we talk about to receive images with maximum coverage ...
  • Disseny d'instal·lació elèctrica de bombament d'aigües de Sant Adrià i mesuraments de l'estalvi energètic 

    Chtitah, Bachir (Universitat Politècnica de Catalunya, 2018-05-31)
    Bachelor thesis
    Restricted access - author's decision
    [CATALÀ] El sistema de clavegueram i tractament d'aigües residuals es veurà afectat si no té instal·lades bones estacions de bombament, ja que aquestes proporcionen millor maneig quan sigui més ràpid el procés de tractament ...
  • Disseny i implementació d'un sistema endollable per a la mesura de temperatura, humitat i nivell acústic amb comunicació sense fils 

    Llull Riera, Miquel (Universitat Politècnica de Catalunya, 2014-12)
    Master thesis (pre-Bologna period)
    60 months embargo
    [ANGLÈS] Design and implementation of a wall-outlet pluggable system capable of measuring temperature, humidity and noise level with wireless data transmission
  • DReAM: An approach to estimate per-Task DRAM energy in multicore systems 

    Liu, Qixiao; Moreto Planas, Miquel; Abella, Jaume; Cazorla Almeida, Francisco Javier; Valero Cortés, Mateo (2016-12)
    Article
    Open Access
    Accurate per-task energy estimation in multicore systems would allow performing per-task energy-aware task scheduling and energy-aware billing in data centers, among other applications. Per-task energy estimation is ...
  • Dynamic compact multicast routing on power-law graphs 

    Pedroso, Pedro; Papadimitriou, Dimitri; Careglio, Davide (IEEE, 2011)
    Conference report
    Restricted access - publisher's policy
    Compact routing schemes address the fundamental tradeoff between the memory space required to store the routing table entries and the length of the routing paths that these schemes produce. This paper introduces the first ...